Short Term Acute Care HospitalVoluntary Non-Profit - Private

St. Joseph Mercy Chelsea Hospital

Trinity Health · Chelsea, MI

775 South Main Street, Chelsea, MI 48118(734) 475-3911

4 of 5

CMS star rating

103

Beds

4,072

Inpatient discharges a year

$210.4M

Net patient revenue a year

In-network payers

About this hospital

St. Joseph Mercy Chelsea Hospital is a 103-bed voluntary non-profit - private hospital in Chelsea, MI, affiliated with Trinity Health. Below you'll find publicly disclosed negotiated rates and facility details, including 33 in-network payers and 291 disclosed rate categories.

Helipad

CCN: 230259
NPI: 1992761985
Website: trinityhealthmichigan.org
Health system: Trinity Health
Teaching: No Medicare-funded residents
County: Washtenaw County
Metro area: Ann Arbor, MI MSA
Medicare contractor: Jurisdiction 8, WPS Government Health Administrators (08001)
In Medicare since: 1970
Last CMS survey: 2006

Prices for common services

The 24 services St. Joseph Mercy Chelsea Hospital most likely performs, ranked by likely volume and what it is paid. Each service names one insurer. * marks hidden insurer names; A, B and C rank the remaining rates from low to high and reset for each service.

Book a demo to see hidden insurer names, more payer rates, and hospital data, or start a free trial.

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Medicine & Surgery · Inpatient

Major lower-extremity joint replacement without MCC

MS-DRG 470

$30,893 - $95,711

from 3 insurers · median $38,108

Aetna$30,893

Insurer A*$38,108

Insurer B*$95,711

Medicare $10,939Nearby hospitals $21,48177% above nearby hospitals

22 Medicare discharges for this DRG in CMS hospital data

Medicine & Surgery

Laparoscopic cholecystectomy

CPT 47562

$7,051 - $13,399

from 2 insurers · median $10,225

Aetna$13,399

Insurer A*$7,051

Medicare $6,057Nearby hospitals $7,55535% above nearby hospitals

83 Medicare claims in Level 1 Laparoscopy and Related Services (CMS 2024)

Digestive procedures

Laparoscopic repair of an initial inguinal hernia

CPT 49650

$6,233 - $16,440

from 2 insurers · median $11,337

Blue Cross$6,233

Insurer A*$16,440

Medicare $6,057Nearby hospitals $7,77446% above nearby hospitals

83 Medicare claims in Level 1 Laparoscopy and Related Services (CMS 2024)

CT imaging

CT abdomen and pelvis with contrast

CPT 74177

$577 - $991

from 2 insurers · median $784

Aetna$991

Insurer A*$577

Medicare $350Nearby hospitals $42087% above nearby hospitals

Common here, based on CMS Medicare volume

How the insurers pay at St. Joseph Mercy Chelsea Hospital

Median rate as a percent of Medicare across the outpatient services above, and how many services sit above or below the same insurer's median at nearby hospitals. * marks hidden insurer names. These table labels track the same insurers across services; the labels on each service card reset.

Insurer	Services	Median % of Medicare	Above nearby	Below nearby
Insurer A*	23	192%	21	1
Insurer B*	24	101%	8	10
Insurer C*	2	-	2	0

How we chose these services: 8 appear in this hospital's own Medicare claims, 12 are common here based on CMS Medicare volume, and 4 are typical for the service lines it reports to CMS. Rates come from insurer and hospital price transparency files as of October 2026. Rates under a quarter of Medicare or over 20 times Medicare are left out as likely physician-fee rows or file errors. Book a demo to see all 300 CMS shoppable services for St. Joseph Mercy Chelsea Hospital, or start a free trial.

Insurance Accepted

Acceptance varies by plan and service. Confirm coverage with your insurer or the hospital's billing department.

Ameri HealthAspirus Health PlanAvera Health PlansBanner HealthCenteneEMI Health

More about this hospital

Quality
4 of 5 stars
- 196 min in the ER before going home (US median 148)
- Medicare readmissions penalty (-0.62%)
See quality ratings
Doctors and services
Accredited by The Joint Commission
- No Medicare-funded residents
- 32 services
- 810 affiliated clinicians
See doctors and services
Finances
$210.4M net patient revenue
- Operating margin on patient care -3.5%
- $6M unreimbursed and uncompensated care
- $11.8M net income
See finances
Ownership and leadership
Owned by Trinity Health Corporation
- Private (not for profit)
- Robert F Casalou, chief executive
See ownership and leadership

Tax IDs and NPIs insurers list

The employer identification numbers (EINs) health plans and networks list for St. Joseph Mercy Chelsea Hospital in the in-network rate files they publish, with the organization NPIs billed under each.

Tax ID (EIN)	Plans and networks listing it	Organization NPIs
82-4757260St Joseph Mercy Chelsea	57Aetna, Cigna, United Healthcare (incl Optum, Rocky Mountain, Health Plan of Nevada, Sierra Health), Allied Benefit Systems, Ambetter and 52 more	1992761985 St Joseph Mercy Chelsea Inc1245244276 St Joseph Mercy Chelsea Inc1922291509 Chelsea Community Hospitaland 9 more
38-1917674Chelsea Community Hospital	17Aetna, Allied Benefit Systems, Aspirus Health Plan, BCBS, Banner Health and 12 more	1396769501 Chelsea Community Hospital1457374514 Chelsea Community Hospital1568542967 Chelsea Community Hospitaland 14 more

Source: PayerPrice analysis of insurers' Transparency in Coverage in-network files. An EIN can cover several hospitals and clinics in a health system, and insurers sometimes list other organizations' NPIs under it.

Location

775 South Main Street, Chelsea, MI 48118

(734) 475-3911

Get directions

Quality ratings (CMS Care Compare)

How St. Joseph Mercy Chelsea Hospital compares with other US facilities on the measures CMS publishes, mostly from Medicare patients.

Overall star rating
4 of 5
Higher than 58% of US hospitals
Combines death rates, safety, readmissions, patient experience and timely care
Death rates
No different on 5 measures
0 better, 5 no different, 0 worse than the US rate
Deaths within 30 days, such as after a heart attack, pneumonia or stroke
Safety
No different on 5 measures
0 better, 5 no different, 0 worse than the US rate
Infections, surgical complications and other harm in the hospital
Readmissions
Better on 2 of 9 measures
2 better, 7 no different, 0 worse than the US rate
Patients back in the hospital or ER soon after leaving
Patient survey rating
4 of 5
Higher than 60% of US hospitals
From the HCAHPS survey of recent inpatients
Would definitely recommend
87%
Higher than 94% of US hospitals
US median: 71%
Surveyed patients who would definitely recommend the hospital
Hospital-acquired condition penalty
Penalized
Among the worst-performing 25% of US hospitals
Medicare cuts payments 1% for the worst-performing 25% of hospitals on infections and injuries acquired in the hospital
Serious complications (PSI 90)
1.11
Higher than 82% of US hospitals
US median: 0.96
Risk-adjusted composite of complications such as bedsores, falls with hip fracture and blood clots after surgery; lower is better
Time in the ER before going home
196 min
Higher than 79% of US hospitals
US median: 148 min
Median minutes from arrival to leaving for ER patients who were sent home; lower is better
Sepsis care
62%
Lower than 57% of US hospitals
US median: 65%
Patients with severe sepsis or septic shock who got every step of the recommended early treatment; higher is better

Measure details and reporting periods

Measure	Result	Period
Overall star ratingCMS: Overall hospital quality star rating	4 of 5
Death rates	No different on 5 measures
Safety	No different on 5 measures
Readmissions	Better on 2 of 9 measures
Patient survey ratingCMS: Summary star rating	4 of 5	2024-10-01 to 2025-09-30
Would definitely recommendCMS: "YES", patients would definitely recommend the hospital	87%	2024-10-01 to 2025-09-30
Hospital-acquired condition penaltyCMS: HAC Reduction Program payment reduction	Penalized	2026
Serious complications (PSI 90)CMS: Patient safety and adverse events composite (PSI 90)	1.11	2022-07-01 to 2024-06-30
Time in the ER before going homeCMS: Average (median) time patients spent in the emergency department before leaving from the visit, excluding patients transferred to another facility or psychiatric care/mental health patients. A lower number of minutes is better	196 min	2024-10-01 to 2025-09-30
Sepsis careCMS: Appropriate care for severe sepsis and septic shock	62%	2024-10-01 to 2025-09-30

Source: CMS Provider Data Catalog, released 2026-08-13. US comparisons rank this facility among every facility CMS reports for each measure. See Medicare Care Compare.

Medicare quality penalties and bonuses

How Medicare adjusts St. Joseph Mercy Chelsea Hospital's inpatient payments for its readmissions, quality and cost results.

-0.62% on Medicare payments
Readmissions penalty
Hospital Readmissions Reduction Program adjustment for excess readmissions, as estimated in the FY 2027 IPPS final rule.
+1.85% on Medicare payments
Value-based purchasing
Hospital Value-Based Purchasing bonus or reduction for quality and cost, as estimated in the FY 2027 IPPS final rule.

Source: CMS IPPS final rule Impact File (FY 2027).

Every CMS quality measure

Each result CMS publishes for St. Joseph Mercy Chelsea Hospital, beside the US median and the average of MI hospitals. The rank says what share of US hospitals the result is better or worse than; counts and confidence limits are not ranked.

Deaths and complications19 measures

Risk-adjusted 30-day death rates and surgical complications; lower is better.

Measure	This hospital	US median	MI average	CMS comparison	US rank
Rate of complications for hip/knee replacement patients2023-04-01 to 2025-03-31 · 67 cases	3.5	4.1	4.186		Better than 77% of US hospitals
Hybrid Hospital-Wide All-Cause Risk Standardized Mortality Rate2024-07-01 to 2025-06-30 · 1,694 cases	3.4	3.9	3.903		Better than 79% of US hospitals
Death rate for heart attack patients2022-07-01 to 2025-06-30	Not Available		12
Death rate for CABG surgery patients2022-07-01 to 2025-06-30	Not Available		2.376
Death rate for COPD patients2022-07-01 to 2025-06-30 · 89 cases	8.8	8.5	8.576		Worse than 58% of US hospitals
Death rate for heart failure patients2022-07-01 to 2025-06-30 · 287 cases	11	11	11.26		Worse than 49% of US hospitals
Death rate for pneumonia patients2022-07-01 to 2025-06-30 · 205 cases	11.2	15.2	15.18		Better than 95% of US hospitals
Death rate for stroke patients2023-07-01 to 2025-06-30 · 172 cases	10.9	11.6	11.95		Better than 64% of US hospitals
Pressure ulcer rate2022-07-01 to 2024-06-30 · 1,747 cases	0.84	0.51	0.6149	No Different Than the National Rate	Worse than 82% of US hospitals
Death rate among surgical inpatients with serious treatable complications2022-07-01 to 2024-06-30	Not Available		178	Number of Cases Too Small
Iatrogenic pneumothorax rate2022-07-01 to 2024-06-30 · 2,536 cases	0.19	0.2	0.2198	No Different Than the National Rate	Better than 66% of US hospitals
In-hospital fall-associated fracture rate2022-07-01 to 2024-06-30 · 2,459 cases	0.29	0.27	0.2762	No Different Than the National Rate	Worse than 72% of US hospitals
Postoperative hemorrhage or hematoma rate2022-07-01 to 2024-06-30 · 342 cases	2.19	2.29	2.378	No Different Than the National Rate	Better than 68% of US hospitals
Postoperative acute kidney injury requiring dialysis rate2022-07-01 to 2024-06-30 · 142 cases	1.64	1.63	1.689	No Different Than the National Rate	Worse than 50% of US hospitals
Postoperative respiratory failure rate2022-07-01 to 2024-06-30 · 149 cases	12.11	8.88	9.51	No Different Than the National Rate	Worse than 85% of US hospitals
Perioperative pulmonary embolism or deep vein thrombosis rate2022-07-01 to 2024-06-30 · 360 cases	3.5	3.4	3.553	No Different Than the National Rate	Worse than 62% of US hospitals
Postoperative sepsis rate2022-07-01 to 2024-06-30 · 134 cases	4.75	5.105	5.252	No Different Than the National Rate	Better than 74% of US hospitals
Postoperative wound dehiscence rate2022-07-01 to 2024-06-30 · 84 cases	1.72	1.72	1.76	No Different Than the National Rate	Better than 48% of US hospitals
Abdominopelvic accidental puncture or laceration rate2022-07-01 to 2024-06-30 · 272 cases	1	1.02	1.117	No Different Than the National Rate	Better than 57% of US hospitals

Readmissions and return visits14 measures

Unplanned returns to a hospital after a stay or an outpatient procedure; lower is better.

Measure	This hospital	US median	MI average	CMS comparison	US rank
Hospital return days for heart attack patients2022-07-01 to 2025-06-30	Not Available		9.875
Hospital return days for heart failure patients2022-07-01 to 2025-06-30 · 296 cases	-6.3	1.25	2.533		Better than 61% of US hospitals
Hospital return days for pneumonia patients2022-07-01 to 2025-06-30 · 214 cases	-10.5	3.85	5.307		Better than 70% of US hospitals
Hybrid Hospital-Wide All-Cause Readmission Measure (HWR)2024-07-01 to 2025-06-30	Not Available
Rate of unplanned hospital visits after colonoscopy (per 1,000 colonoscopies)2022-01-01 to 2024-12-31 · 844 cases	13	12.9	12.94	No Different Than the National Rate	Worse than 50% of US hospitals
Rate of inpatient admissions for patients receiving outpatient chemotherapy2024-01-01 to 2024-12-31 · 101 cases	10.2	10.7	10.6	No Different Than the National Rate	Better than 64% of US hospitals
Rate of emergency department (ED) visits for patients receiving outpatient chemotherapy2024-01-01 to 2024-12-31 · 101 cases	4.4	5.3	5.333	No Different Than the National Rate	Better than 93% of US hospitals
Ratio of unplanned hospital visits after hospital outpatient surgery2024-01-01 to 2024-12-31 · 683 cases	0.9	1	0.9865	No Different than expected	Better than 68% of US hospitals
Acute Myocardial Infarction (AMI) 30-Day Readmission Rate2023-07-01 to 2025-06-30	Not Available		14.28
Rate of readmission for CABG2023-07-01 to 2025-06-30	Not Available		10.41
Rate of readmission for chronic obstructive pulmonary disease (COPD) patients2023-07-01 to 2025-06-30 · 141 cases	19.2	19.8	19.73		Better than 77% of US hospitals
Heart failure (HF) 30-Day Readmission Rate2023-07-01 to 2025-06-30 · 445 cases	20.8	21.3	21.19		Better than 67% of US hospitals
Rate of readmission after hip/knee replacement2023-07-01 to 2025-06-30 · 68 cases	6.2	5.8	5.984		Worse than 72% of US hospitals
Pneumonia (PN) 30-Day Readmission Rate2023-07-01 to 2025-06-30 · 363 cases	15.8	17.2	17.08		Better than 95% of US hospitals

Infections36 measures

Standardized infection ratios (1 is the US baseline) and the counts behind them; lower is better.

Measure	This hospital	US median	MI average	CMS comparison	US rank
Central Line Associated Bloodstream Infection (ICU + select Wards): Lower Confidence Limit2024-10-01 to 2025-09-30	Not Available		0.2592
Central Line Associated Bloodstream Infection (ICU + select Wards): Upper Confidence Limit2024-10-01 to 2025-09-30	Not Available		1.909
Central Line Associated Bloodstream Infection: Number of Device Days2024-10-01 to 2025-09-30	1,192	1,370	4,065
Central Line Associated Bloodstream Infection (ICU + select Wards): Predicted Cases2024-10-01 to 2025-09-30	0.921	0.9835	4.274
Central Line Associated Bloodstream Infection (ICU + select Wards): Observed Cases2024-10-01 to 2025-09-30	0	0	2.649
Central Line Associated Bloodstream Infection (ICU + select Wards)2024-10-01 to 2025-09-30	Not Available		0.6721
Catheter Associated Urinary Tract Infections (ICU + select Wards): Lower Confidence Limit2024-10-01 to 2025-09-30	0.029	0.138	0.1561	No Different than National Benchmark
Catheter Associated Urinary Tract Infections (ICU + select Wards): Upper Confidence Limit2024-10-01 to 2025-09-30	2.881	1.392	1.389	No Different than National Benchmark
Catheter Associated Urinary Tract Infections (ICU + select Wards): Number of Urinary Catheter Days2024-10-01 to 2025-09-30	2,244	1,799	4,188	No Different than National Benchmark
Catheter Associated Urinary Tract Infections (ICU + select Wards): Predicted Cases2024-10-01 to 2025-09-30	1.712	1.377	5.413	No Different than National Benchmark
Catheter Associated Urinary Tract Infections (ICU + select Wards): Observed Cases2024-10-01 to 2025-09-30	1	0	2.168	No Different than National Benchmark
Catheter Associated Urinary Tract Infections (ICU + select Wards)2024-10-01 to 2025-09-30	0.584	0.399	0.3966	No Different than National Benchmark	Worse than 67% of US hospitals
SSI - Colon Surgery: Lower Confidence Limit2024-10-01 to 2025-09-30	0.198	0.2345	0.4382	No Different than National Benchmark
SSI - Colon Surgery: Upper Confidence Limit2024-10-01 to 2025-09-30	3.894	2.135	2.741	No Different than National Benchmark
SSI - Colon Surgery: Number of Procedures2024-10-01 to 2025-09-30	67	61	118	No Different than National Benchmark
SSI - Colon Surgery: Predicted Cases2024-10-01 to 2025-09-30	1.697	1.591	3.112	No Different than National Benchmark
SSI - Colon Surgery: Observed Cases2024-10-01 to 2025-09-30	2	1	3.074	No Different than National Benchmark
SSI - Colon Surgery2024-10-01 to 2025-09-30	1.179	0.7155	1.049	No Different than National Benchmark	Worse than 76% of US hospitals
SSI - Abdominal Hysterectomy: Lower Confidence Limit2024-10-01 to 2025-09-30	Not Available		0.6144
SSI - Abdominal Hysterectomy: Upper Confidence Limit2024-10-01 to 2025-09-30	Not Available		4.322
SSI - Abdominal Hysterectomy: Number of Procedures2024-10-01 to 2025-09-30	7	38	75.28
SSI - Abdominal Hysterectomy: Predicted Cases2024-10-01 to 2025-09-30	0.066	0.328	0.6545
SSI - Abdominal Hysterectomy: Observed Cases2024-10-01 to 2025-09-30	0	0	0.9634
SSI - Abdominal Hysterectomy2024-10-01 to 2025-09-30	Not Available		1.462
MRSA Bacteremia: Lower Confidence Limit2024-10-01 to 2025-09-30	Not Available		0.2675
MRSA Bacteremia: Upper Confidence Limit2024-10-01 to 2025-09-30	Not Available		2.176
MRSA Bacteremia: Patient Days2024-10-01 to 2025-09-30	17,850	14,451	42,903
MRSA Bacteremia: Predicted Cases2024-10-01 to 2025-09-30	0.385	0.567	2.796
MRSA Bacteremia: Observed Cases2024-10-01 to 2025-09-30	0	0	1.826
MRSA Bacteremia2024-10-01 to 2025-09-30	Not Available		0.7532
Clostridium Difficile (C.Diff): Lower Confidence Limit2024-10-01 to 2025-09-30	0.06	0.127	0.1572	No Different than National Benchmark
Clostridium Difficile (C.Diff): Upper Confidence Limit2024-10-01 to 2025-09-30	1.176	0.747	1.134	No Different than National Benchmark
Clostridium Difficile (C.Diff): Patient Days2024-10-01 to 2025-09-30	17,850	13,646	40,305	No Different than National Benchmark
Clostridium Difficile (C.Diff): Predicted Cases2024-10-01 to 2025-09-30	5.618	5.683	21.05	No Different than National Benchmark
Clostridium Difficile (C.Diff): Observed Cases2024-10-01 to 2025-09-30	2	2	6.934	No Different than National Benchmark
Clostridium Difficile (C.Diff)2024-10-01 to 2025-09-30	0.356	0.279	0.3227	No Different than National Benchmark	Worse than 61% of US hospitals

Patient survey (HCAHPS)68 measures

How recent inpatients answered each survey question, with CMS's star rating per topic.

Measure	This hospital	US median	MI average	US rank
Room was "always" clean2024-10-01 to 2025-09-30 · 587 cases	74	73	69.3	Better than 51% of US hospitals
Room was "sometimes" or "never" clean2024-10-01 to 2025-09-30 · 587 cases	7	8	10.85	Better than 56% of US hospitals
Room was "usually" clean2024-10-01 to 2025-09-30 · 587 cases	19	18	19.85
Cleanliness - linear mean score2024-10-01 to 2025-09-30 · 587 cases	88	87	84.11	Better than 57% of US hospitals
Cleanliness - star rating2024-10-01 to 2025-09-30 · 587 cases	4	4	2.86	Better than 47% of US hospitals
Nurses "always" communicated well2024-10-01 to 2025-09-30 · 587 cases	88	80	79.59	Better than 89% of US hospitals
Nurse communication - linear mean score2024-10-01 to 2025-09-30 · 587 cases	95	91	91.42	Better than 91% of US hospitals
Nurses "sometimes" or "never" communicated well2024-10-01 to 2025-09-30 · 587 cases	2	4	4.111	Better than 76% of US hospitals
Nurse communication - star rating2024-10-01 to 2025-09-30 · 587 cases	5	3	3.5	The top rating, shared by 18% of US hospitals
Nurses "usually" communicated well2024-10-01 to 2025-09-30 · 587 cases	10	16	16.3
Doctors "always" communicated well2024-10-01 to 2025-09-30 · 587 cases	87	79	78.2	Better than 87% of US hospitals
Doctor communication - linear mean score2024-10-01 to 2025-09-30 · 587 cases	95	91	90.27	Better than 94% of US hospitals
Doctors "sometimes" or "never" communicated well2024-10-01 to 2025-09-30 · 587 cases	2	5	5.521	Better than 87% of US hospitals
Doctor communication - star rating2024-10-01 to 2025-09-30 · 587 cases	5	3	3.07	The top rating, shared by 6% of US hospitals
Doctors "usually" communicated well2024-10-01 to 2025-09-30 · 587 cases	11	16	16.28
Staff "always" explained2024-10-01 to 2025-09-30 · 587 cases	68	61	61.03	Better than 79% of US hospitals
Communication about medicines - linear mean score2024-10-01 to 2025-09-30 · 587 cases	82	77	76.51	Better than 84% of US hospitals
Staff "sometimes" or "never" explained2024-10-01 to 2025-09-30 · 587 cases	15	19	19.58	Better than 74% of US hospitals
Communication about medicines - star rating2024-10-01 to 2025-09-30 · 587 cases	4	3	2.63	Better than 79% of US hospitals
Staff "usually" explained2024-10-01 to 2025-09-30 · 587 cases	17	19	19.38
Discharge information - linear mean score2024-10-01 to 2025-09-30 · 587 cases	90	86	85.82	Better than 86% of US hospitals
No, staff "did not" give patients this information2024-10-01 to 2025-09-30 · 587 cases	10	13	13.17	Better than 78% of US hospitals
Discharge information - star rating2024-10-01 to 2025-09-30 · 587 cases	4	3	3.35	Better than 55% of US hospitals
Yes, staff "did" give patients this information2024-10-01 to 2025-09-30 · 587 cases	90	87	86.83	Better than 78% of US hospitals
No, staff "did not" give patients information about help after discharge2024-10-01 to 2025-09-30 · 587 cases	11	14	14.7	Better than 77% of US hospitals
Yes, staff "did" give patients information about help after discharge2024-10-01 to 2025-09-30 · 587 cases	89	86	85.3	Better than 77% of US hospitals
Doctors "always" explained things so they could understand2024-10-01 to 2025-09-30 · 587 cases	81	74	72.65	Better than 85% of US hospitals
Doctors "sometimes" or "never" explained things so they could understand2024-10-01 to 2025-09-30 · 587 cases	3	7	7.064	Better than 89% of US hospitals
Doctors "usually" explained things so they could understand2024-10-01 to 2025-09-30 · 587 cases	16	19	20.28
Doctors "always" listened carefully2024-10-01 to 2025-09-30 · 587 cases	88	77	75.91	Better than 94% of US hospitals
Doctors "sometimes" or "never" listened carefully2024-10-01 to 2025-09-30 · 587 cases	3	6	6.191	Better than 84% of US hospitals
Doctors "usually" listened carefully2024-10-01 to 2025-09-30 · 587 cases	9	17	17.9
Doctors "always" treated them with courtesy and respect2024-10-01 to 2025-09-30 · 587 cases	93	85	84.26	Better than 94% of US hospitals
Doctors "sometimes" or "never" treated them with courtesy and respect2024-10-01 to 2025-09-30 · 587 cases	2	3	3.827	Better than 75% of US hospitals
Doctors "usually" treated them with courtesy and respect2024-10-01 to 2025-09-30 · 587 cases	5	11	11.91
Patients who gave a rating of "6" or lower (low)2024-10-01 to 2025-09-30 · 587 cases	3	8	9.248	Better than 88% of US hospitals
Patients who gave a rating of "7" or "8" (medium)2024-10-01 to 2025-09-30 · 587 cases	13	20	21.47
Patients who gave a rating of "9" or "10" (high)2024-10-01 to 2025-09-30 · 587 cases	84	72	69.28	Better than 89% of US hospitals
Overall hospital rating - linear mean score2024-10-01 to 2025-09-30 · 587 cases	93	88	87.04	Better than 92% of US hospitals
Overall hospital rating - star rating2024-10-01 to 2025-09-30 · 587 cases	5	3	3.12	The top rating, shared by 8% of US hospitals
Staff "always" explained new medications2024-10-01 to 2025-09-30 · 587 cases	83	74	74.28	Better than 90% of US hospitals
Staff "sometimes" or "never" explained new medications2024-10-01 to 2025-09-30 · 587 cases	5	9	9.173	Better than 86% of US hospitals
Staff "usually" explained new medications2024-10-01 to 2025-09-30 · 587 cases	12	16	16.55
Nurses "always" explained things so they could understand2024-10-01 to 2025-09-30 · 587 cases	83	75	74.9	Better than 90% of US hospitals
Nurses "sometimes" or "never" explained things so they could understand2024-10-01 to 2025-09-30 · 587 cases	2	5	5.573	Better than 90% of US hospitals
Nurses "usually" explained things so they could understand2024-10-01 to 2025-09-30 · 587 cases	15	20	19.53
Nurses "always" listened carefully2024-10-01 to 2025-09-30 · 587 cases	88	77	76.58	Better than 95% of US hospitals
Nurses "sometimes" or "never" listened carefully2024-10-01 to 2025-09-30 · 587 cases	2	4	4.364	Better than 80% of US hospitals
Nurses "usually" listened carefully2024-10-01 to 2025-09-30 · 587 cases	10	19	19.05
Nurses "always" treated them with courtesy and respect2024-10-01 to 2025-09-30 · 587 cases	94	86	85.7	Better than 94% of US hospitals
Nurses "sometimes" or "never" treated them with courtesy and respect2024-10-01 to 2025-09-30 · 587 cases	1	3	2.773	Better than 77% of US hospitals
Nurses "usually" treated them with courtesy and respect2024-10-01 to 2025-09-30 · 587 cases	5	11	11.53
"Always" quiet at night2024-10-01 to 2025-09-30 · 587 cases	59	59	56.73	Worse than 49% of US hospitals
"Sometimes" or "never" quiet at night2024-10-01 to 2025-09-30 · 587 cases	10	9	11.16	Worse than 54% of US hospitals
"Usually" quiet at night2024-10-01 to 2025-09-30 · 587 cases	31	31	32.11
Quietness - linear mean score2024-10-01 to 2025-09-30 · 587 cases	82	82	80.12	Better than 48% of US hospitals
Quietness - star rating2024-10-01 to 2025-09-30 · 587 cases	3	3	3.12	Worse than 44% of US hospitals
"NO", patients would not recommend the hospital (they probably would not or definitely would not recommend it)2024-10-01 to 2025-09-30 · 587 cases	2	5	6.291	Better than 83% of US hospitals
"YES", patients would definitely recommend the hospital2024-10-01 to 2025-09-30 · 587 cases	87	71	68.51	Better than 94% of US hospitals
Recommend hospital - linear mean score2024-10-01 to 2025-09-30 · 587 cases	95	87	85.75	Better than 97% of US hospitals
"YES", patients would probably recommend the hospital2024-10-01 to 2025-09-30 · 587 cases	11	23	25.2
Recommend hospital - star rating2024-10-01 to 2025-09-30 · 587 cases	5	4	3.39	The top rating, shared by 24% of US hospitals
Staff "always" explained possible side effects2024-10-01 to 2025-09-30 · 587 cases	54	47	46.3	Better than 78% of US hospitals
Staff "sometimes" or "never" explained possible side effects2024-10-01 to 2025-09-30 · 587 cases	24	30	30.8	Better than 77% of US hospitals
Staff "usually" explained possible side effects2024-10-01 to 2025-09-30 · 587 cases	22	22	22.9
Summary star rating2024-10-01 to 2025-09-30 · 587 cases	4	3	3.21	Better than 60% of US hospitals
No, staff "did not" give patients information about possible symptoms2024-10-01 to 2025-09-30 · 587 cases	9	12	12.2	Better than 80% of US hospitals
Yes, staff "did" give patients information about possible symptoms2024-10-01 to 2025-09-30 · 587 cases	91	88	87.8	Better than 80% of US hospitals

Timely and effective care30 measures

How often the hospital gave recommended care, and how fast.

Measure	This hospital	US median	MI average	US rank
Emergency department volume2024-01-01 to 2024-12-31	medium
Global Malnutrition Composite Score2024-01-01 to 2024-12-31	Not Available
Global Malnutrition Composite Score: Malnutrition Diagnosis Documented2024-01-01 to 2024-12-31	Not Available
Global Malnutrition Composite Score: Malnutrition Risk Screening2024-01-01 to 2024-12-31	Not Available
Global Malnutrition Composite Score: Nutrition Assessment2024-01-01 to 2024-12-31	Not Available
Global Malnutrition Composite Score: Nutritional Care Plan2024-01-01 to 2024-12-31	Not Available
Hospital Harm - Severe Hyperglycemia2024-01-01 to 2024-12-31 · 3,974 cases	8	8	8.08	Better than 47% of US hospitals
Hospital Harm - Severe Hypoglycemia2024-01-01 to 2024-12-31 · 958 cases	1	1	0.9722	Worse than 34% of US hospitals
Hospital Harm - Opioid Related Adverse Events2024-01-01 to 2024-12-31	Not Available		0.4118
Healthcare workers given influenza vaccination2024-10-01 to 2025-03-31 · 1,350 cases	65	79	74.71	Worse than 71% of US hospitals
Average (median) time all patients spent in the emergency department before leaving from the visit, including psychiatric/mental health patients and patients who were transferred to another facility. A lower number of minutes is better2024-10-01 to 2025-09-30 · 443 cases	197	154	167	Worse than 76% of US hospitals
Average (median) time patients spent in the emergency department before leaving from the visit, excluding patients transferred to another facility or psychiatric care/mental health patients. A lower number of minutes is better2024-10-01 to 2025-09-30 · 423 cases	196	148	161	Worse than 79% of US hospitals
Average (median) time psychiatric/mental health patients spent in the emergency department before leaving from the visit. A lower number of minutes is better2024-10-01 to 2025-09-30	Not Available		300
Average (median) time patients spent in the emergency department before being transferred to another facility. A lower number of minutes is better2024-10-01 to 2025-09-30 · 12 cases	333	293	338	Worse than 66% of US hospitals
Left before being seen2024-01-01 to 2024-12-31 · 31,736 cases	1	1	1.933	Better than 42% of US hospitals
Head CT results2024-10-01 to 2025-09-30	Not Available		73.42
Endoscopy/polyp surveillance: appropriate follow-up interval for normal colonoscopy in average risk patients2024-01-01 to 2024-12-31 · 106 cases	96	97	93.2	Worse than 54% of US hospitals
Improvement in Patient's Visual Function within 90 Days Following Cataract Surgery2024-01-01 to 2024-12-31	Not Available
ST-Segment Elevation Myocardial Infarction (STEMI)2024-01-01 to 2024-12-31	Not Available		39.25
Safe Use of Opioids - Concurrent Prescribing2024-01-01 to 2024-12-31 · 1,105 cases	16	15	15.67	Worse than 57% of US hospitals
Appropriate care for severe sepsis and septic shock2024-10-01 to 2025-09-30 · 84 cases	62	65	59.69	Worse than 57% of US hospitals
Septic Shock 3-Hour Bundle2024-10-01 to 2025-09-30 · 18 cases	61	73	69.54	Worse than 75% of US hospitals
Septic Shock 6-Hour Bundle2024-10-01 to 2025-09-30	Not Available		83.94
Severe Sepsis 3-Hour Bundle2024-10-01 to 2025-09-30 · 84 cases	73	82	77.12	Worse than 78% of US hospitals
Severe Sepsis 6-Hour Bundle2024-10-01 to 2025-09-30 · 37 cases	97	94	90.36	Better than 69% of US hospitals
Discharged on Antithrombotic Therapy2024-01-01 to 2024-12-31	Not Available		94.44
Anticoagulation Therapy for Atrial Fibrillation/Flutter2024-01-01 to 2024-12-31	Not Available		69.44
Antithrombotic Therapy by End of Hospital Day 22024-01-01 to 2024-12-31	Not Available		91.64
Venous Thromboembolism Prophylaxis2024-01-01 to 2024-12-31 · 2,592 cases	83	90	82.06	Worse than 65% of US hospitals
Intensive Care Unit Venous Thromboembolism Prophylaxis2024-01-01 to 2024-12-31	Not Available		91

Outpatient imaging2 measures

How often scans were ordered when they may not be needed; lower is better.

Measure	This hospital	US median	MI average	CMS comparison	US rank
Abdomen CT Use of Contrast Material2024-07-01 to 2025-06-30	5.7	5	6.103		Worse than 58% of US hospitals
Breast Cancer Screening Recall Rates2024-07-01 to 2025-06-30	9.6	6.6	7.033		Worse than 79% of US hospitals

Medicare spending per patient1 measure

Medicare spending around an inpatient stay compared with the US (1 is the US median).

Measure	This hospital	US median	MI average	CMS comparison	US rank
Medicare hospital spending per patient (Medicare Spending per Beneficiary)2024-01-01 to 2024-12-31	0.84	0.99	0.9406		Better than 96% of US hospitals

Value-based purchasing scores9 measures

The scores Medicare uses to raise or lower inpatient payments; higher is better.

Measure	This hospital	US median	MI average	US rank
VBP clinical outcomes domain scoreFY 2026	12.5	20	19.22	Worse than 66% of US hospitals
VBP clinical outcomes weighted domain scoreFY 2026	3.125	5	4.872	Worse than 66% of US hospitals
VBP efficiency and cost reduction domain scoreFY 2026	100	10	42.06	The best result, shared by 2% of US hospitals
VBP efficiency and cost reduction weighted domain scoreFY 2026	25	2.5	11.12	Better than 97% of US hospitals
VBP person and community engagement domain scoreFY 2026	83	34	38.03	Better than 97% of US hospitals
VBP person and community engagement weighted domain scoreFY 2026	20.75	8.75	9.925	Better than 96% of US hospitals
VBP safety domain scoreFY 2026	27.5	40	33.39	Worse than 75% of US hospitals
VBP safety weighted domain scoreFY 2026	6.875	10	8.389	Worse than 75% of US hospitals
VBP total performance scoreFY 2026	55.75	29.5	33.57	Better than 97% of US hospitals

By fiscal year	FY 2021	FY 2022	FY 2023	FY 2024	FY 2025	FY 2026
VBP clinical outcomes domain score	45	37.5	50	10	12.5	12.5
VBP clinical outcomes weighted domain score	15	9.375	12.5	2.5	3.125	3.125
VBP efficiency and cost reduction domain score	90	Not Available	90	100	90	100
VBP efficiency and cost reduction weighted domain score	30	Not Available	22.5	25	22.5	25
VBP person and community engagement domain score	95	Not Available	Not Available	59	46	83
VBP person and community engagement weighted domain score	31.67	Not Available	Not Available	14.75	11.5	20.75
VBP safety domain score	Not Available	Not Available	Not Available	50	33.33	27.5
VBP safety weighted domain score	Not Available	Not Available	Not Available	12.5	8.333	6.875
VBP total performance score	76.67	Not Available	Not Available	54.75	45.46	55.75

Readmissions Reduction Program6 measures

Excess readmission ratios by condition; above 1 means more readmissions than expected.

Measure	This hospital	US median	MI average	US rank
READM-30-AMI-HRRP2021-07-01 to 2024-06-30	N/A		0.995
READM-30-CABG-HRRP2021-07-01 to 2024-06-30	N/A		0.9907
READM-30-COPD-HRRP2021-07-01 to 2024-06-30 · 96 cases	1.018	0.9969	0.9989	Worse than 67% of US hospitals
READM-30-HF-HRRP2021-07-01 to 2024-06-30 · 318 cases	0.9646	0.9983	1.002	Better than 73% of US hospitals
READM-30-HIP-KNEE-HRRP2021-07-01 to 2024-06-30	1.296	0.9916	1.061	Worse than 96% of US hospitals
READM-30-PN-HRRP2021-07-01 to 2024-06-30 · 189 cases	0.9718	0.9955	0.9984	Better than 67% of US hospitals

By fiscal year	FY 2021	FY 2022	FY 2023	FY 2024	FY 2025	FY 2026
READM-30-AMI-HRRP	N/A	N/A	N/A	N/A	N/A	N/A
READM-30-CABG-HRRP	N/A	N/A	N/A	N/A	N/A	N/A
READM-30-COPD-HRRP	0.9979	0.9884	0.9654	0.9996	1.021	1.018
READM-30-HF-HRRP	0.8786	0.9051	0.9494	0.932	1.032	0.9646
READM-30-HIP-KNEE-HRRP	0.8342	0.6934	0.7165	0.9382	1.071	1.296
READM-30-PN-HRRP	0.8537	0.8875	0.8958	0.9633	0.9354	0.9718

Hospital-Acquired Condition Reduction Program8 measures

Infection ratios, the PSI 90 composite and the total score Medicare ranks hospitals on; lower is better.

Measure	This hospital	US median	MI average	US rank
CAUTI standardized infection ratio2023-01-01 to 2024-12-31	2.08	0.489	0.5894	Worse than 98% of US hospitals
CDI standardized infection ratio2023-01-01 to 2024-12-31	0.165	0.346	0.3948	Better than 78% of US hospitals
CLABSI standardized infection ratio2023-01-01 to 2024-12-31	1.082	0.559	0.7747	Worse than 86% of US hospitals
HAC Reduction Program payment reductionFY 2026	Yes
MRSA standardized infection ratio2023-01-01 to 2024-12-31	N/A		0.8034
Patient safety and adverse events composite (PSI 90)2022-07-01 to 2024-06-30	1.111	0.9628	1.007	Worse than 82% of US hospitals
SSI standardized infection ratio2023-01-01 to 2024-12-31	1.598	0.7945	1.234	Worse than 88% of US hospitals
Total HAC scoreFY 2026	0.9602	-0.0453	0.1353	Worse than 93% of US hospitals

By fiscal year	FY 2021	FY 2022	FY 2023	FY 2024	FY 2025	FY 2026
HAC Reduction Program payment reduction	No	No	N/A	No	No	Yes
Total HAC score	-1.152	-1.359	0	-0.2684	0.1655	0.9602

Source: CMS Care Compare hospital files, latest release 2026-09-30, with program results for earlier fiscal years from CMS's archived snapshots. US medians and ranks count every hospital CMS reports; state averages are plain means of the state's reporting hospitals, not CMS's patient-weighted state rates.

Accreditation and services

The Joint Commission (since 2023)
Accreditation
None
Medical school affiliation
Private (not for profit)
Ownership type
83
Medicare-certified beds
152
Registered nurses (full-time equivalent)
1970
In Medicare since

32 services at St. Joseph Mercy Chelsea Hospital

Emergency and trauma: Emergency Department
Intensive care: Coronary Care UnitSurgical ICU (Medical Surgical Intensive Care Unit)
Surgery: AnesthesiaInpatient SurgicalOR (Operating Room)Orthopedic SurgeryOutpatient SurgeryPostoperative Recovery Room
Imaging: CT ScanDiagnostic RadiologyMRI (Magnetic Resonance Imaging)Nuclear Medicine
Women and children: Clinical LaboratoryPediatric Care
Behavioral health: Adult Inpatient Psychiatric CareAlcohol and/or Drug ServiceGeriatric PsychiatricOutpatient Psychiatric CarePsychiatric Care of Children and/or Adolescents
Rehabilitation and therapy: AudiologyOT (Occupational Therapy)Outpatient RehabilitationPT (Physical Therapy)Respiratory CareSpeech Pathology
Other services: Dietary CareESWL (Extracorporeal Shockwave Lithotripter)Gerontological SpecialtyOutpatientPharmacySocial Care

Source: CMS Provider of Services file, as reported by the hospital and state surveyors.

Size and patient volume

What St. Joseph Mercy Chelsea Hospital reported to Medicare in its latest cost report, covering Jul 1, 2024 to Jun 30, 2025.

4,072
Inpatient discharges
Medicare 29%, Medicaid 2%
14,703
Inpatient days
64% of available bed days used
782
Employees (full-time equivalent)

Source: CMS cost report (HCRIS) (report 825811). Figures cover the reporting period, which is not always 12 months, and are self-reported.

Utilization by payer and unit

Inpatient days and discharges St. Joseph Mercy Chelsea Hospital reported by payer. Medicare and Medicaid include their managed care plans, shown separately below.

	Medicare	Medicaid	Other	Total
Inpatient days	4,332	437	9,934	14,703
Discharges	1,196	96	2,780	4,072
Average length of stay	3.6 days	4.6 days	3.6 days	3.6 days
Average daily census	11.9	1.2	27.2	40.3

6,628
Medicare Advantage days
1,802 discharges
460
Medicaid managed care days
140 discharges
4,085
Observation bed days

Beds and days by unit

Unit	Beds	Inpatient days	Medicare days	Occupancy
Adults & pediatrics	57	14,181	4,171	68%
Intensive care unit	6	522	161	24%
Subprovider - irf	40	9,474	2,491	65%

Source: CMS cost report (HCRIS, Form 2552-10), report 825811, as submitted. Hospitals report these figures themselves; they are not audited financial statements. Worksheet S-3 Part I.

Medicare inpatient stays

What St. Joseph Mercy Chelsea Hospital treats Medicare patients for most often, in 2024. 695 Medicare discharges in 28 published DRGs; 8% surgical; 66% in DRGs with complications (CC or MCC).

Condition or procedure	Discharges	Average charges	Average Medicare payment	Estimated cost	DRG weight
Heart failure and shock with MCCMS-DRG 291, medical	117	$25,112	$7,879	$6,705	1.28
Septicemia or severe sepsis without MV >96 hours with MCCMS-DRG 871, medical	70	$37,199	$11,964	$9,932	1.98
Respiratory infections and inflammations with MCCMS-DRG 177, medical	39	$31,403	$10,192	$8,384	1.70
Simple pneumonia and pleurisy with MCCMS-DRG 193, medical	38	$28,115	$6,895	$7,507	1.33
Esophagitis, gastroenteritis and miscellaneous digestive disorders without MCCMS-DRG 392, medical	34	$24,013	$4,199	$6,412	0.79
Septicemia or severe sepsis without MV >96 hours without MCCMS-DRG 872, medical	32	$24,336	$6,126	$6,498	1.03
Kidney and urinary tract infections without MCCMS-DRG 690, medical	31	$20,112	$4,778	$5,370	0.81
Cellulitis without MCCMS-DRG 603, medical	29	$15,791	$4,758	$4,216	0.88
Intracranial hemorrhage or cerebral infarction with CC or tpa in 24 hoursMS-DRG 065, medical	24	$33,633	$5,315	$8,980	1.02
Renal failure with CCMS-DRG 683, medical	22	$21,096	$5,350	$5,633	0.90
Pulmonary edema and respiratory failureMS-DRG 189, medical	20	$24,210	$7,652	$6,464	1.23
Gastrointestinal hemorrhage with CCMS-DRG 378, medical	20	$21,527	$6,241	$5,748	0.98
Syncope and collapseMS-DRG 312, medical	18	$20,363	$4,896	$5,437	0.86
Major hip and knee joint replacement or reattachment of lower extremity without MCCMS-DRG 470, surgical	18	$61,100	$10,987	$16,314	1.88
Miscellaneous disorders of nutrition, metabolism, fluids and electrolytes without MCCMS-DRG 641, medical	17	$31,286	$4,376	$8,353	0.78
Simple pneumonia and pleurisy with CCMS-DRG 194, medical	16	$21,247	$4,487	$5,673	0.82
Hip replacement with principal diagnosis of hip fracture without MCCMS-DRG 522, surgical	15	$66,942	$13,124	$17,873	2.11
Respiratory infections and inflammations with CCMS-DRG 178, medical	14	$24,762	$5,387	$6,611	0.99
Cardiac arrhythmia and conduction disorders with MCCMS-DRG 308, medical	14	$24,630	$6,758	$6,576	1.20
Medical back problems without MCCMS-DRG 552, medical	14	$29,076	$5,699	$7,763	0.97

See all 28 Medicare inpatient DRGs at St. Joseph Mercy Chelsea Hospital

Source: CMS Medicare Inpatient Hospitals by Provider and Service (2024 data, released 2026-04-10), traditional Medicare only; CMS omits DRGs with fewer than 11 discharges. Estimated cost is average charges times the hospital's Medicare cost-to-charge ratio from the IPPS Impact File. Weights are the MS-DRG relative weights for the same year.

Medicare outpatient services

The comprehensive outpatient service groups (APCs) St. Joseph Mercy Chelsea Hospital billed Medicare for most in 2024: 1,375 services in all.

Service group	Services	Patients	Average charges	Average Medicare payment	US average payment
Comprehensive Observation ServicesAPC 8011	237	227	$16,249	$1,940	$2,090
Level 5 Musculoskeletal ProceduresAPC 5115	198	187	$44,051	$10,567	$10,772
Level 5 Urology and Related ServicesAPC 5375	155	147	$30,423	$3,808	$3,918
Level 1 Nerve ProceduresAPC 5431	137	116	$9,906	$1,391	$1,407
Level 4 Urology and Related ServicesAPC 5374	84	77	$22,331	$2,609	$2,629
Level 1 Laparoscopy and Related ServicesAPC 5361	83	83	$39,313	$4,166	$4,358
Level 2 Excision/ Biopsy/ Incision and DrainageAPC 5072	68	60	$7,022	$1,210	$1,220
Level 2 Musculoskeletal ProceduresAPC 5112	60	52	$12,150	$1,043	$1,196
Level 4 Musculoskeletal ProceduresAPC 5114	56	54	$33,601	$5,353	$5,339
Level 3 Musculoskeletal ProceduresAPC 5113	53	53	$22,918	$2,421	$2,373

See all 23 Medicare outpatient services at St. Joseph Mercy Chelsea Hospital

Source: CMS Medicare Outpatient Hospitals by Provider and Service (2024 data, released 2026-06-24), comprehensive APCs for traditional Medicare; CMS omits services with fewer than 11 claims. The US average weights every hospital by its services.

Where patients come from

ZIP codes with the most Medicare inpatient stays at St. Joseph Mercy Chelsea Hospital in 2025. Market share is this hospital's part of every hospital's Medicare stays from the ZIP code. Its published Medicare stays went from 1,516 in 2020 to 2,838 in 2025.

ZIP code	Stays	Of this hospital's stays	Days	Charges	Market share	Share in 2020
48118	484	17%	1,747	$16.8M	55%	47%
48158	236	8%	862	$8.3M	53%	40%
48103	213	8%	963	$8.3M	10%	7%
48130	203	7%	776	$7.4M	31%	27%
49240	180	6%	594	$6.3M	36%	25%
49201	174	6%	576	$6.5M	7%	5%
49285	174	6%	629	$6.1M	45%	37%
48169	145	5%	549	$5.3M	13%	11%
49286	120	4%	410	$4.2M	15%	8%
49230	119	4%	448	$4.4M	16%	12%
48137	110	4%	358	$3.8M	45%	36%
48176	91	3%	259	$3.1M	8%	5%
49236	86	3%	317	$3.2M	24%	15%
49203	72	3%	206	$2.6M	3%	3%
48108	48	2%	162	$1.7M	4%	3%
49221	40	1%	153	$1.7M	2%	2%
49202	38	1%	123	$1M	3%	3%
49259	31	1%	109	$1.2M	25%	28%
49265	31	1%	98	$1.2M	10%	10%
48189	27	1%	211	$1.3M	4%	3%
49254	22	1%	57	$479,228	11%	7%
49287	21	1%	77	$615,677	18%
48105	20	1%	72	$639,657	2%	3%
48160	19	1%	69	$578,139	3%	2%
48843	18	1%	84	$753,232	1%	1%

Source: CMS Hospital Service Area file. Shares are of the 2,838 stays from ZIP codes CMS publishes; it omits ZIP codes with fewer than 11 stays, so market shares count published stays only.

Staff and facilities

Staff by profession and the rooms and units St. Joseph Mercy Chelsea Hospital reported at its latest Medicare certification survey (2006). Counts are people, not full-time equivalents.

26
Psychiatric unit beds
40
Rehabilitation unit beds
1
Off-site locations
1
Off-site emergency departments

152
Registered nurses
3
Licensed practical nurses
11
Physicians
1
Nurse practitioners
2
Physician assistants
9
Nurse anesthetists (CRNAs)
6
Pharmacists
6
Respiratory therapists
17
Physical therapists
5
Occupational therapists
2
Speech pathologists and audiologists
9
Radiology technicians
3
Nuclear medicine technicians
1
Dietitians
2
Social workers
4
Psychologists
464
Other personnel

Source: CMS Provider of Services file.

Doctors and clinicians

810 clinicians who bill Medicare list St. Joseph Mercy Chelsea Hospital as a hospital affiliation. Showing 24 of them. Book a demo to see the commercial rates insurers publish for them, or start a free trial.

Internal Medicine Physician 118
Family Medicine Physician 114
Physician Assistant 80
Diagnostic Radiology Physician 44
Certified Registered Nurse Anesthetist 30
Surgery Physician 26
Urology Physician 24
Anesthesiology Physician 20
Emergency Medicine Physician 20
Family Nurse Practitioner 20

Vivek Kak, MD
Infectious Disease Physician
NPI 1821009655
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Louis Bojrab, MD
Interventional Pain Medicine Physician
NPI 1619073707
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Victor Hakim, M.D.
Orthopaedic Surgery Physician
NPI 1154531622
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Edward Washabaugh, MD
Interventional Pain Medicine Physician
NPI 1952409344
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John Chatas, MD
Interventional Pain Medicine Physician
NPI 1083710107
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Matthew Hodrosky, PA
Surgical Physician Assistant
NPI 1538166616
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Paul Berkowitz, M.D.
Nephrology Physician
NPI 1053371286
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Dean Schueller, MD
Orthopaedic Surgery Physician
NPI 1497737589
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Mansur Pathan, D.O
Nephrology Physician
NPI 1144615220
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Karl Schultz, MD
Orthopaedic Surgery Physician
NPI 1013004290
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S. Gimenez, MD
Urology Physician
NPI 1841457447
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Jariatul Karim, M.D.
Nephrology Physician
NPI 1306973482
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Ari Kriswari, MD
Physical Medicine & Rehabilitation Physician
NPI 1164657870
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Fred Morady, MD
Clinical Cardiac Electrophysiology Physician
NPI 1659457612
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Sushma Pandrangi, M.D.
Nephrology Physician
NPI 1306981014
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Shathabish Kariyanna, MD
Family Medicine Physician
NPI 1346683869
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Judith Mayer, M.D.
Nephrology Physician
NPI 1215997309
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Jonathan Mccrea, M.D.
Diagnostic Radiology Physician
NPI 1700048923
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Kathleen Knapp, D.O.
Family Medicine Physician
NPI 1891776100
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Ahmad Masood, MD
Internal Medicine Physician
NPI 1679765986
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Mustafa Mawih, M.D.
Nephrology Physician
NPI 1245641307
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Timothy Mcglaston, MD
Orthopaedic Surgery Physician
NPI 1679829352
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George Behrend, M.D.
Nephrology Physician
NPI 1659331783
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Mir Asghar, M.D.
Rheumatology Physician
NPI 1194752543
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Source: CMS Doctors and Clinicians facility affiliations, released 2026-10-15, with names and specialties from NPPES. Affiliation means the clinician bills Medicare for care at this hospital; it is not employment.

Income statement

Revenue, expenses and income St. Joseph Mercy Chelsea Hospital reported to Medicare for Jul 1, 2024 to Jun 30, 2025. Percentages are of net patient revenue.

Line	Amount	Share
Gross patient revenue (charges)	$871.3M	414.2%
Inpatient	$215.9M	102.7%
Outpatient	$655.3M	311.5%
Contractual allowances and discounts	-$660.9M	-314.2%
Net patient revenue	$210.4M	100.0%
Operating expenses	-$217.7M	-103.5%
Operating income from patient care	-$7.3M	-3.5%
Other income	$14M	6.6%
Contributions and donations	$577,823	0.3%
COVID-19 relief funding	$1.2M	0.6%
Other	$12.2M	5.8%
Other expenses	$5.2M	2.5%
Net income	$11.8M	5.6%

Gross revenue by payer

Line	Amount	Share
Traditional Medicare	$141.2M	17.3%
Medicaid (including managed care)	$51.2M	6.3%
Other payers and self-pay	$625.8M	76.5%
Total charges	$818.2M	100.0%

Source: CMS cost report (HCRIS, Form 2552-10), report 825811, as submitted. Hospitals report these figures themselves; they are not audited financial statements. Traditional Medicare is the program charges on Worksheets D-3 and D Part V; Medicaid is from Worksheet S-10.

Financial ratios

Computed from St. Joseph Mercy Chelsea Hospital's latest cost report.

-3.5%
Operating margin
Operating income from patient care / net patient revenue
5.3%
Total margin
Net income / net patient revenue plus other income
6.9%
EBITDAR margin
Net income before interest, depreciation and leases (Worksheet A-7), / total revenue
44% of expenses
Personnel costs
Salaries, direct-care contract labor and core wage-related costs / operating expenses
$42.14
Average hourly wage
Adjusted salaries / paid hours (Worksheet S-3 Part II)
6.5%
Return on assets
Net income for a year / total assets
8.1%
Return on equity
Net income for a year / fund balance
2.49
Current ratio
Current assets / current liabilities
2.20
Quick ratio
Cash, temporary investments and net receivables / current liabilities
88 days
Days cash on hand
Cash and temporary investments / daily operating expenses excluding depreciation
43 days
Days in patient receivables
Net patient receivables / daily net patient revenue
59 days
Average payment period
Current liabilities / daily operating expenses excluding depreciation
1.23
Asset turnover
Total revenue for a year / total assets
23.8 years
Average age of plant
Accumulated depreciation / depreciation for a year

Source: CMS cost report (HCRIS, Form 2552-10), report 825811, as submitted. Hospitals report these figures themselves; they are not audited financial statements.

Balance sheet

What St. Joseph Mercy Chelsea Hospital owned and owed at the end of its reporting period (Jun 2025), across all fund types: $182.9M in total assets and a $145.4M fund balance.

Show the balance sheet

Line	Amount	Of total assets
Cash and temporary investments	$51.6M	28.2%
Patient receivables, net	$24.8M	13.6%
Inventory	$4M	2.2%
Total current assets	$86.5M	47.3%
Property and equipment, net of depreciation	$89.7M	49.0%
Investments and other assets	$6.7M	3.6%
Total assets	$182.9M	100.0%
Current liabilities	$34.7M	19.0%
Total liabilities	$37.4M	20.5%
Fund balance (net assets)	$145.4M	79.5%

Source: CMS cost report (HCRIS, Form 2552-10), report 825811, as submitted. Hospitals report these figures themselves; they are not audited financial statements.

Charity care and uncompensated care

Care St. Joseph Mercy Chelsea Hospital provided without full payment, as reported on Worksheet S-10 of its cost report.

$1.2M
Cost of charity care
Care for patients approved for charity care and uninsured discounts, at cost
$3.5M
Bad debt
Patient bills written off as uncollectible, at charges
$4M
Medicaid shortfall
Cost of Medicaid patients (charges times the cost-to-charge ratio) minus Medicaid payments; negative means a surplus
$6M
Total unreimbursed and uncompensated care
2.8% of operating expenses
Medicaid, CHIP and indigent care shortfalls plus charity care and the cost of bad debt (Worksheet S-10 line 31)
$51,236
Grants for charity care
Private grants, donations and endowment income restricted to charity care

Source: CMS cost report (HCRIS, Form 2552-10), report 825811, as submitted. Hospitals report these figures themselves; they are not audited financial statements.

Financial trend

St. Joseph Mercy Chelsea Hospital's full-year cost reports, by fiscal year end. Reports shorter than ten months are left out.

Show 6 years

Fiscal year ending	Jun 2020	Jun 2021	Jun 2022	Jun 2023	Jun 2024	Jun 2025
Net patient revenue	$146.1M	$168.4M	$178.2M	$187.8M	$192.8M	$210.4M
Operating expenses	$173.4M	$176.5M	$181.5M	$189.8M	$201.9M	$217.7M
Operating margin	-18.7%	-4.8%	-1.8%	-1.1%	-4.7%	-3.5%
Net income	-$9.7M	$18.4M	$1.1M	$8.6M	$7.8M	$11.8M
Total assets	$154.1M	$183.9M	$169.9M	$166.5M	$173.3M	$182.9M
Discharges	2,914	2,879	3,347	3,909	4,423	4,072
Inpatient days	8,787	9,873	12,768	13,585	13,479	14,703
Medicare Advantage days	1,495	2,511	3,932	4,451	5,302	6,628
Beds	133	133	133	133	133	103
Employees (FTE)	724	701	738	758	815	782

Source: CMS cost report (HCRIS, Form 2552-10), report 825811, as submitted. Hospitals report these figures themselves; they are not audited financial statements.

Departments

Each cost center St. Joseph Mercy Chelsea Hospital reports, largest first. Total cost includes its share of overhead; the cost-to-charge ratio is total cost / charges.

Show all 40 departments

Ancillary and outpatient departments

Department	Salaries	Total cost	Charges	Cost-to-charge	Square feet
Drugs charged to patients		$34.3M	$114.9M	0.30
Operating room	$11M	$30.8M	$209.6M	0.15	55,193
Impl. dev. charged to patients		$10.6M	$18.5M	0.57
Emergency	$5.4M	$10.2M	$58.2M	0.18	18,224
Radiology-diagnostic	$3.8M	$8.2M	$63.8M	0.13	27,857
Medical supplies charged to patient		$7.3M	$5.6M	1.30
Laboratory	$2.1M	$7.1M	$42.6M	0.17	4,983
Observation beds (non-distinct part		$4.6M	$9.4M	0.49
Physical therapy	$3M	$3.1M	$8.9M	0.34	1,871
Infusion	$1.4M	$2.8M	$3.2M	0.85	8,436
Ct scan	$1.1M	$2.7M	$109.5M	0.03	1,988
Occupational therapy	$1.3M	$2.4M	$7.7M	0.31	5,615
Electrocardiology	$1.7M	$1.7M	$17.9M	0.09	1,441
Mri	$658,167	$1.5M	$34.7M	0.04	2,342
Clinic	$271,909	$1.5M	$117,580	12.57	21,423
Outpatient psych	$759,056	$1.3M	$211,207	6.06
Respiratory therapy	$1.1M	$1.1M	$3.9M	0.29	366
Orthopedics	$5.8M	$1M	$3.5M	0.29
Speech pathology	$427,608	$700,821	$2.7M	0.26	913
Anesthesiology	$3.7M	$591,247	$35.1M	0.02
Hematology		$217,035	$353,176	0.61
Sleep studies		$156,207			3,048
Cardiac rehabilitation		$96,613			1,786

Inpatient units

Department	Salaries	Total cost	Charges	Cost-to-charge	Square feet
Adults & pediatrics	$9.7M	$20.5M	$39.1M	0.52	38,203
Subprovider - irf	$6M	$14.9M	$24.4M	0.61	32,934
Intensive care unit	$1.3M	$2.8M	$4.3M	0.66	8,450

Overhead (general service) departments

Department	Salaries	Direct cost	Paid hours	Average hourly wage	Square feet
Administrative & general	$6.7M	$30.6M	144,351	$34.98	36,006
Cap rel costs-bldg & fixt		$5.3M			389,055
Operation of plant	$1.4M	$4.2M	39,146	$35.22	27,261
Medical records & library	$1.9M	$2.6M	38,209	$49.65	6,601
Housekeeping	$1.6M	$2.2M	74,984	$20.79	6,687
Maintenance & repairs	$414	$2M	8	$51.75	336
Pharmacy	$2.1M	$1.7M	40,658	$50.90	4,165
Dietary	$1.3M	$1.6M	37,927	$24.08	10,563
Nursing administration	$859,488	$1.6M	16,471	$52.18	728
Central services & supply	$577,913	$1.3M	23,732	$24.35	7,867
Employee benefits department	$199,833	$1.1M	3,585	$56.46	3,331
Cafeteria	$220,431	$724,590	25,502	$22.69	2,228
Laundry & linen service	$31,945	$480,237	1,416	$22.56	1,776
Social service	$286,290	$384,897	9,566	$29.93	2,404

Source: CMS cost report (HCRIS, Form 2552-10), report 825811, as submitted. Hospitals report these figures themselves; they are not audited financial statements. Worksheets A, B-1, C Part I and S-3 Part II.

Medicare payment profile

The factors Medicare uses to set what it pays St. Joseph Mercy Chelsea Hospital for an inpatient stay.

1.42
Case mix index
Higher than 19% of hospitals paid under Medicare IPPS
Average Medicare DRG weight of its inpatient cases (FY 2027); higher means more complex, costlier care.
No Medicare-funded residents
Teaching status
Medicare-funded interns and residents per bed (FY 2027).
8.3%
Low-income patient share
Disproportionate share percentage: Medicaid and SSI patient days CMS uses for safety-net payments (FY 2027).
1,168
Medicare inpatient stays
Medicare claims CMS based FY 2027 payment rates on.
Urban (metro area)
Location type
Geographic area CMS assigns before any wage index reclassification (FY 2027).

Show FY 2021 to FY 2027

IPPS fiscal year	FY 2021	FY 2022	FY 2023	FY 2024	FY 2025	FY 2026	FY 2027
Case mix index	1.59	1.59	1.44	1.41	1.38	1.37	1.42
Wage index	1.002	1.022	1.029	1.005	0.971	0.965	0.966
Readmissions adjustment	-0.01%	-0.01%	0.00%	0.00%	-0.01%	-0.55%	-0.62%
Value-based purchasing adjustment	+2.18%	+2.92%	+2.92%	+0.03%	+3.20%	+2.07%	+1.85%
Medicare inpatient stays	1,266	1,266	986	1,105	1,268	1,254	1,168

Source: CMS IPPS final rule Impact File (FY 2027).

Ownership

Organizations St. Joseph Mercy Chelsea Hospital reports to Medicare as owners or with operational control. 1 individuals also hold ownership interests; they are not listed here.

Trinity Health Corporation
5% or greater indirect ownership interest, 51%, since 2018
Trinity Health-michigan
5% or greater direct ownership interest, 51%, since 2018
Regents Of The University Of Michigan
5% or greater direct ownership interest, 49%, since 2018

Changes of ownership

2018-07-01: Acquired Trinity Health-michigan (Change of ownership)
2018-07-01: Sold to St Joseph Mercy Chelsea Inc (Change of ownership)

Sources: CMS Hospital All Owners, CMS Hospital Change of Ownership.

Leadership

The officers and board members on St. Joseph Mercy Chelsea Hospital's Medicare enrollment and on the IRS Form 990 filed under its tax ID.

Officers and directors on the Medicare enrollment

Michael P Gusho Officer, Treasurer, since 2018
Robert F Casalou Officer, Regional President & CEO, since 2018
Mandi A Murray Officer, Secretary, since 2022
Rafina Khateeb Officer, Chair, since 2022
Shannon Striebich Officer, Vice-chair, since 2025
Migdalia Musler Director, Board Member, since 2018
Richard Helppie Director, Board Member, since 2018
Sharon M O'Leary Director, Board Member, since 2018
Kelly Smith Director, Board Member, since 2020
Eric J Strucko Director, Board Member, since 2023
Hitinder S Gurm Director, Board Member, since 2024
Tomasine F Marx Operational or managerial control, Executive With Control, since 2022

Source: CMS Hospital All Owners (PECOS), the people the hospital lists on its Medicare enrollment; the first 12 of 15 are shown.

Officers and key employees of St Joseph Mercy Chelsea Inc (IRS Form 990, tax year 2022)

St Joseph Mercy Chelsea Inc files the Form 990 for the tax ID insurers list for St. Joseph Mercy Chelsea Hospital, so these people may lead the wider organization rather than St. Joseph Mercy Chelsea Hospital alone.

Name	Title
Robert Casalou	Dir;vchr Thr11/22;chair 11/22;pres
Michael Gusho	Director; Treasurer; CFO Th-mi
Tomasine Marx	Th-mi VP Finance West Market
Mandi Murray	Secretary; Th-mi Managing Counsel
Benjamin Miles	President & CEO Chelsea Hospital
Fazleomar Mahmood MD	Physician; CMO Chelsea As Of 3/23
Alon Weizer MD	CMO, Chelsea Hospital Through 12/22
Jeffrey Desmond MD	Dir; Chair Thr 11/22; CMO, Mi Med
Rafina Khateeb MD	Dir;v Chair 11/22; Assoc Prof Mi Med

Board members: Kelly Smith, Sharon O'Leary MD, Paul Castillo, Richard Helppie, Migdalia Musler, Eric Strucko.

Source: IRS Form 990 Part VII filed by St Joseph Mercy Chelsea Inc (EIN 82-4757260), via the IRS e-file data. A health system's return can cover several hospitals.

Programs and facilities

Helipad
Chelsea Hospital
FAA location ID 7MI5, a medical-use heliport 0.1 mi from the hospital.
Source: FAA National Airspace System Resource data, cycle 2026-10-01.

Hospital-based units

Hospital-based units with their own Medicare certification

Rehabilitation subprovider
CCN 23T259, certified 1983, Medicare prospective payment

Source: Worksheet S-2 Part I of St. Joseph Mercy Chelsea Hospital's latest Medicare cost report (HCRIS).

Frequently asked questions

About St. Joseph Mercy Chelsea Hospital's rates and hospital price transparency.

How much does a CT scan cost at St. Joseph Mercy Chelsea Hospital?

For CT abdomen and pelvis with contrast (CPT 74177), published negotiated rates at St. Joseph Mercy Chelsea Hospital range from $577 to $991 across 2 insurers. Aetna's rate is $991. The median at nearby comparable hospitals is $420. What a patient pays depends on their plan's deductible, coinsurance and network status.

How much does a colonoscopy cost at St. Joseph Mercy Chelsea Hospital?

For Colonoscopy with biopsy (CPT 45380), published negotiated rates at St. Joseph Mercy Chelsea Hospital range from $962 to $2,415 across 2 insurers. Blue Cross Blue Shield's rate is $962. The median at nearby comparable hospitals is $1,614. What a patient pays depends on their plan's deductible, coinsurance and network status.

How much does a mammogram cost at St. Joseph Mercy Chelsea Hospital?

For Screening mammography, bilateral (CPT 77067), published negotiated rates at St. Joseph Mercy Chelsea Hospital range from $187 to $323 across 2 insurers. Aetna's rate is $323. The median at nearby comparable hospitals is $159. What a patient pays depends on their plan's deductible, coinsurance and network status.

How much does hip or knee replacement cost at St. Joseph Mercy Chelsea Hospital?

For Major lower-extremity joint replacement without MCC (MS-DRG 470), published negotiated rates at St. Joseph Mercy Chelsea Hospital range from $30,893 to $95,711 across 3 insurers. Aetna's rate is $30,893. The median at nearby comparable hospitals is $21,481. What a patient pays depends on their plan's deductible, coinsurance and network status.

What is St. Joseph Mercy Chelsea Hospital's CMS star rating?

St. Joseph Mercy Chelsea Hospital has a CMS overall hospital star rating of 4 out of 5 on Medicare Care Compare (CMS data released 2026-08-13). That is higher than 58% of US hospitals.

Is St. Joseph Mercy Chelsea Hospital a teaching hospital?

CMS reports no Medicare-funded interns or residents at St. Joseph Mercy Chelsea Hospital for fiscal year 2027.

Does Medicare penalize St. Joseph Mercy Chelsea Hospital for readmissions?

Yes. Under the Hospital Readmissions Reduction Program, Medicare cuts St. Joseph Mercy Chelsea Hospital's base inpatient payments by an estimated 0.62% in fiscal year 2027 for more readmissions than expected.

What are the most common Medicare inpatient stays at St. Joseph Mercy Chelsea Hospital?

In 2024, the most common were heart failure and shock with mcc (117 discharges), septicemia or severe sepsis without mv >96 hours with mcc (70 discharges), respiratory infections and inflammations with mcc (39 discharges).

What is St. Joseph Mercy Chelsea Hospital's case mix index?

St. Joseph Mercy Chelsea Hospital's Medicare case mix index is 1.42 for fiscal year 2027, higher than 19% of hospitals paid under the inpatient prospective payment system.

How many patients does St. Joseph Mercy Chelsea Hospital admit?

St. Joseph Mercy Chelsea Hospital reported 4,072 inpatient discharges and 14,703 inpatient days from Jul 1, 2024 to Jun 30, 2025.

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{
  "description": "MRI of brain (no contrast)",
  "code_information": [
    { "code": "611", "type": "RC" },
    { "code": "70551", "type": "CPT" }
  ],
  "standard_charges": [{
    "setting": "outpatient",
    "minimum": 250,
    "maximum": 400,
    "gross_charge": 1200,
    "discounted_cash": 1080,
    "payers_information": [
      {
        "payer_name": "Platform Health Insurance",
        "plan_name": "PPO",
        "methodology": "fee schedule",
        "standard_charge_dollar": 400
      },
      {
        "payer_name": "Region Health Insurance",
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        "standard_charge_dollar": 250
      }
    ]
  }]
}

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About this hospital

Prices for common services

How the insurers pay at St. Joseph Mercy Chelsea Hospital

Insurance Accepted

More about this hospital

Tax IDs and NPIs insurers list

Location

Quality ratings (CMS Care Compare)

Medicare quality penalties and bonuses

Every CMS quality measure

Accreditation and services

32 services at St. Joseph Mercy Chelsea Hospital

Size and patient volume

Utilization by payer and unit

Beds and days by unit

Medicare inpatient stays

Medicare outpatient services

Where patients come from

Staff and facilities

Doctors and clinicians

Income statement

Gross revenue by payer

Financial ratios

Balance sheet

Charity care and uncompensated care

Financial trend

Departments

Ancillary and outpatient departments

Inpatient units

Overhead (general service) departments

Medicare payment profile

Ownership

Changes of ownership

Leadership

Officers and directors on the Medicare enrollment

Officers and key employees of St Joseph Mercy Chelsea Inc (IRS Form 990, tax year 2022)

Programs and facilities

Hospital-based units

Hospital-based units with their own Medicare certification

Comparable hospitals nearby

Frequently asked questions

Running price transparency at a hospital like this one?

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