University of California Health · Sonoma, CA
2 of 5
CMS star rating
51
Beds
822
Inpatient discharges a year
$64.3M
Net patient revenue a year
36
In-network payers
Sonoma Valley Hospital is a 51-bed government - hospital district or authority hospital in Sonoma, CA, affiliated with University of California Health. Below you'll find publicly disclosed negotiated rates and facility details, including 36 in-network payers and 220 disclosed rate categories.
The 24 services Sonoma Valley 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.
Medicine & Surgery
CPT 66984
$5,595 - $13,700
from 3 insurers · median $9,965
128 Medicare claims in Level 1 Intraocular Procedures (CMS 2024)
Childbirth · Inpatient
MS-DRG 807
$10,893
negotiated rate
CMS lists this service as CPT 59400, the obstetrician's global fee. The hospital bills the delivery stay as MS-DRG 807, so these are facility case rates.
Hospital reports obstetrics / child birth services to CMS
Digestive procedures
CPT 43239
$2,326 - $6,245
from 3 insurers · median $4,273
Common here, based on CMS Medicare volume
Cardiology and vascular testing
CPT 93306
$934 - $5,026
from 4 insurers · median $2,621
Common here, based on CMS Medicare volume
Childbirth · Inpatient
MS-DRG 788
$16,272
negotiated rate
CMS lists this service as CPT 59510, the obstetrician's global fee. The hospital bills the delivery stay as MS-DRG 788, so these are facility case rates.
Hospital reports obstetrics / child birth services to CMS
Digestive procedures
CPT 45380
$3,037 - $6,245
from 3 insurers · median $4,273
Common here, based on CMS Medicare volume
Digestive procedures
CPT 45385
$3,250 - $6,245
from 3 insurers · median $4,273
Common here, based on CMS Medicare volume
CT imaging
CPT 74177
$288 - $5,952
from 3 insurers · median $768
Common here, based on CMS Medicare volume
X-ray and bone density
CPT 71046
$22 - $912
from 4 insurers · median $666
Common here, based on CMS Medicare volume
Digestive procedures
CPT 45378
$3,037 - $6,245
from 3 insurers · median $4,273
Common here, based on CMS Medicare volume
Medicine & Surgery
CPT 29881
$5,290 - $17,807
from 3 insurers · median $7,460
24 Medicare claims in Level 3 Musculoskeletal Procedures (CMS 2024)
Medicine & Surgery
CPT 47562
$5,595 - $25,954
from 3 insurers · median $14,312
Typical for a hospital with this service line
Nuclear imaging
CPT 78452
$366 - $7,834
from 4 insurers · median $5,719
Common here, based on CMS Medicare volume
Mammography
CPT 77067
$104 - $529
from 4 insurers · median $310
Common here, based on CMS Medicare volume
Cardiology and vascular testing
CPT 93970
$1,229 - $2,786
from 4 insurers · median $2,208
Common here, based on CMS Medicare volume
Cardiology and vascular testing
CPT 93971
$1,229 - $1,924
from 4 insurers · median $1,385
Common here, based on CMS Medicare volume
Gynecology
CPT 58571
$5,799 - $25,954
from 3 insurers · median $10,953
Typical for a hospital with this service line
MRI imaging
CPT 70551
$209 - $4,325
from 4 insurers · median $1,732
Common here, based on CMS Medicare volume
Ear, nose and throat
CPT 31231
$1,434 - $3,250
from 2 insurers · median $2,342
Common here, based on CMS Medicare volume
Medicine & Surgery · Inpatient
MS-DRG 460
$30,750 - $64,087
from 4 insurers · median $51,427
Hospital reports orthopedic surgery services to CMS
MRI imaging
CPT 74183
$824 - $5,092
from 2 insurers · median $2,958
Common here, based on CMS Medicare volume
Medicine & Surgery · Inpatient
MS-DRG 470
$23,401 - $61,568
from 4 insurers · median $45,450
Hospital reports orthopedic surgery services to CMS
Ultrasound
CPT 76705
$45 - $1,365
from 4 insurers · median $538
Common here, based on CMS Medicare volume
Ultrasound
CPT 76856
$36 - $1,325
from 4 insurers · median $553
Common here, based on CMS Medicare volume
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* | 11 | 1143% | 8 | 2 |
| Insurer B* | 22 | 531% | 19 | 3 |
| Insurer C* | 24 | 474% | 7 | 7 |
| Insurer D* | 20 | 124% | 9 | 11 |
How we chose these services: 2 appear in this hospital's own Medicare claims, 16 are common here based on CMS Medicare volume, and 6 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 Sonoma Valley Hospital, or start a free trial.
Acceptance varies by plan and service. Confirm coverage with your insurer or the hospital's billing department.
Quality
2 of 5 stars
Doctors and services
Accredited by CIHQ
Finances
$64.3M net patient revenue
Ownership and leadership
Owned by Sonoma Valley Health Care District
The employer identification numbers (EINs) health plans and networks list for Sonoma Valley 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 |
|---|---|---|
| 94-6001317Sonoma Valley Hospital | 57Aetna, Cigna, United Healthcare (incl Optum, Rocky Mountain, Health Plan of Nevada, Sierra Health), Allied Benefit Systems, Aspirus Health Plan and 52 more | 1710063870 Sonoma Valley Health Care District1407938574 Sonoma Valley Health Care District1790101681 American Health Mw LLCand 1 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.
347 Andrieux Street, Sonoma, CA 95476
(707) 935-5000
How Sonoma Valley Hospital compares with other US facilities on the measures CMS publishes, mostly from Medicare patients.
Overall star rating
2 of 5
Lower than 73% 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 2 measures
0 better, 2 no different, 0 worse than the US rate
Infections, surgical complications and other harm in the hospital
Readmissions
No different on 6 measures
0 better, 6 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
79%
Higher than 75% 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
119 min
Lower than 75% 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
84%
Higher than 91% 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 | Result | Period |
|---|---|---|
| Overall star ratingCMS: Overall hospital quality star rating | 2 of 5 | |
| Death rates | No different on 5 measures | |
| Safety | No different on 2 measures | |
| Readmissions | No different on 6 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 | 79% | 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 | 119 min | 2024-10-01 to 2025-09-30 |
| Sepsis careCMS: Appropriate care for severe sepsis and septic shock | 84% | 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.
How Medicare adjusts Sonoma Valley Hospital's inpatient payments for its readmissions, quality and cost results.
-0.03% on Medicare payments
Readmissions penalty
Hospital Readmissions Reduction Program adjustment for excess readmissions, as estimated in the FY 2027 IPPS final rule.
+0.03% 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).
Each result CMS publishes for Sonoma Valley Hospital, beside the US median and the average of CA hospitals. The rank says what share of US hospitals the result is better or worse than; counts and confidence limits are not ranked.
Risk-adjusted 30-day death rates and surgical complications; lower is better.
| Measure | Sonoma Valley Hospital | US median | CA average | CMS comparison | US rank |
|---|---|---|---|---|---|
| Rate of complications for hip/knee replacement patients2023-04-01 to 2025-03-31 | Not Available | 4.075 | |||
| Hybrid Hospital-Wide All-Cause Risk Standardized Mortality Rate2024-07-01 to 2025-06-30 · 345 cases | 5.6 | 3.9 | 3.81 | Worse than 96% of US hospitals | |
| Death rate for heart attack patients2022-07-01 to 2025-06-30 | Not Available | 11.57 | |||
| Death rate for CABG surgery patients2022-07-01 to 2025-06-30 | Not Available | 2.379 | |||
| Death rate for COPD patients2022-07-01 to 2025-06-30 · 37 cases | 8.2 | 8.5 | 8.235 | Better than 56% of US hospitals | |
| Death rate for heart failure patients2022-07-01 to 2025-06-30 · 41 cases | 11 | 11 | 10.29 | Worse than 49% of US hospitals | |
| Death rate for pneumonia patients2022-07-01 to 2025-06-30 · 106 cases | 16.6 | 15.2 | 14.49 | Worse than 71% of US hospitals | |
| Death rate for stroke patients2023-07-01 to 2025-06-30 · 35 cases | 9.6 | 11.6 | 11.57 | Better than 85% of US hospitals | |
| Pressure ulcer rate2022-07-01 to 2024-06-30 · 540 cases | 1.12 | 0.51 | 0.4818 | No Different Than the National Rate | Worse than 90% of US hospitals |
| Death rate among surgical inpatients with serious treatable complications2022-07-01 to 2024-06-30 | Not Available | 171 | |||
| Iatrogenic pneumothorax rate2022-07-01 to 2024-06-30 · 713 cases | 0.21 | 0.2 | 0.21 | No Different Than the National Rate | Worse than 54% of US hospitals |
| In-hospital fall-associated fracture rate2022-07-01 to 2024-06-30 · 660 cases | 0.27 | 0.27 | 0.261 | No Different Than the National Rate | Worse than 46% of US hospitals |
| Postoperative hemorrhage or hematoma rate2022-07-01 to 2024-06-30 · 100 cases | 2.31 | 2.29 | 2.308 | No Different Than the National Rate | Worse than 55% of US hospitals |
| Postoperative acute kidney injury requiring dialysis rate2022-07-01 to 2024-06-30 · 27 cases | 1.65 | 1.63 | 1.668 | No Different Than the National Rate | Worse than 55% of US hospitals |
| Postoperative respiratory failure rate2022-07-01 to 2024-06-30 · 28 cases | 8.86 | 8.88 | 9.555 | No Different Than the National Rate | Better than 50% of US hospitals |
| Perioperative pulmonary embolism or deep vein thrombosis rate2022-07-01 to 2024-06-30 · 101 cases | 3.36 | 3.4 | 3.521 | No Different Than the National Rate | Better than 54% of US hospitals |
| Postoperative sepsis rate2022-07-01 to 2024-06-30 · 27 cases | 5.15 | 5.105 | 5.495 | No Different Than the National Rate | Worse than 54% of US hospitals |
| Postoperative wound dehiscence rate2022-07-01 to 2024-06-30 | Not Available | 1.796 | Number of Cases Too Small | ||
| Abdominopelvic accidental puncture or laceration rate2022-07-01 to 2024-06-30 | Not Available | 1.061 | Number of Cases Too Small |
Unplanned returns to a hospital after a stay or an outpatient procedure; lower is better.
| Measure | Sonoma Valley Hospital | US median | CA average | CMS comparison | US rank |
|---|---|---|---|---|---|
| Hospital return days for heart attack patients2022-07-01 to 2025-06-30 | Not Available | 11.09 | |||
| Hospital return days for heart failure patients2022-07-01 to 2025-06-30 · 47 cases | 15.5 | 1.25 | 7.901 | Worse than 69% of US hospitals | |
| Hospital return days for pneumonia patients2022-07-01 to 2025-06-30 · 100 cases | 7.1 | 3.85 | 16.67 | Worse than 55% 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 · 486 cases | 13.6 | 12.9 | 12.91 | No Different Than the National Rate | Worse than 79% of US hospitals |
| Rate of inpatient admissions for patients receiving outpatient chemotherapy2024-01-01 to 2024-12-31 | Not Available | 11.39 | Number of Cases Too Small | ||
| Rate of emergency department (ED) visits for patients receiving outpatient chemotherapy2024-01-01 to 2024-12-31 | Not Available | 5.546 | Number of Cases Too Small | ||
| Ratio of unplanned hospital visits after hospital outpatient surgery2024-01-01 to 2024-12-31 · 83 cases | 0.9 | 1 | 1.001 | 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 | 14.43 | |||
| Rate of readmission for CABG2023-07-01 to 2025-06-30 | Not Available | 11.19 | |||
| Rate of readmission for chronic obstructive pulmonary disease (COPD) patients2023-07-01 to 2025-06-30 · 47 cases | 19.7 | 19.8 | 19.94 | Better than 53% of US hospitals | |
| Heart failure (HF) 30-Day Readmission Rate2023-07-01 to 2025-06-30 · 60 cases | 21.1 | 21.3 | 21.41 | Better than 56% of US hospitals | |
| Rate of readmission after hip/knee replacement2023-07-01 to 2025-06-30 | Not Available | 5.612 | |||
| Pneumonia (PN) 30-Day Readmission Rate2023-07-01 to 2025-06-30 · 105 cases | 18 | 17.2 | 17.7 | Worse than 76% of US hospitals |
Standardized infection ratios (1 is the US baseline) and the counts behind them; lower is better.
| Measure | Sonoma Valley Hospital | US median | CA average | CMS comparison | US rank |
|---|---|---|---|---|---|
| Central Line Associated Bloodstream Infection (ICU + select Wards): Lower Confidence Limit2024-10-01 to 2025-09-30 | Not Available | 0.2347 | |||
| Central Line Associated Bloodstream Infection (ICU + select Wards): Upper Confidence Limit2024-10-01 to 2025-09-30 | Not Available | 1.834 | |||
| Central Line Associated Bloodstream Infection: Number of Device Days2024-10-01 to 2025-09-30 | 295 | 1,370 | 5,722 | ||
| Central Line Associated Bloodstream Infection (ICU + select Wards): Predicted Cases2024-10-01 to 2025-09-30 | 0.187 | 0.9835 | 5.638 | ||
| Central Line Associated Bloodstream Infection (ICU + select Wards): Observed Cases2024-10-01 to 2025-09-30 | 0 | 0 | 3.347 | ||
| Central Line Associated Bloodstream Infection (ICU + select Wards)2024-10-01 to 2025-09-30 | Not Available | 0.5696 | |||
| Catheter Associated Urinary Tract Infections (ICU + select Wards): Lower Confidence Limit2024-10-01 to 2025-09-30 | Not Available | 0.2147 | |||
| Catheter Associated Urinary Tract Infections (ICU + select Wards): Upper Confidence Limit2024-10-01 to 2025-09-30 | Not Available | 1.749 | |||
| Catheter Associated Urinary Tract Infections (ICU + select Wards): Number of Urinary Catheter Days2024-10-01 to 2025-09-30 | 864 | 1,799 | 5,308 | ||
| Catheter Associated Urinary Tract Infections (ICU + select Wards): Predicted Cases2024-10-01 to 2025-09-30 | 0.448 | 1.377 | 6.105 | ||
| Catheter Associated Urinary Tract Infections (ICU + select Wards): Observed Cases2024-10-01 to 2025-09-30 | 1 | 0 | 3.273 | ||
| Catheter Associated Urinary Tract Infections (ICU + select Wards)2024-10-01 to 2025-09-30 | Not Available | 0.5366 | |||
| SSI - Colon Surgery: Lower Confidence Limit2024-10-01 to 2025-09-30 | Not Available | 0.32 | |||
| SSI - Colon Surgery: Upper Confidence Limit2024-10-01 to 2025-09-30 | Not Available | 2.433 | |||
| SSI - Colon Surgery: Number of Procedures2024-10-01 to 2025-09-30 | Not Available | 112 | |||
| SSI - Colon Surgery: Predicted Cases2024-10-01 to 2025-09-30 | Not Available | 2.999 | |||
| SSI - Colon Surgery: Observed Cases2024-10-01 to 2025-09-30 | Not Available | 2.368 | |||
| SSI - Colon Surgery2024-10-01 to 2025-09-30 | Not Available | 0.8107 | |||
| SSI - Abdominal Hysterectomy: Lower Confidence Limit2024-10-01 to 2025-09-30 | Not Available | 0.2606 | |||
| SSI - Abdominal Hysterectomy: Upper Confidence Limit2024-10-01 to 2025-09-30 | Not Available | 3.273 | |||
| SSI - Abdominal Hysterectomy: Number of Procedures2024-10-01 to 2025-09-30 | 3 | 38 | 73.49 | ||
| SSI - Abdominal Hysterectomy: Predicted Cases2024-10-01 to 2025-09-30 | 0.012 | 0.328 | 0.6136 | ||
| SSI - Abdominal Hysterectomy: Observed Cases2024-10-01 to 2025-09-30 | 0 | 0 | 0.5911 | ||
| SSI - Abdominal Hysterectomy2024-10-01 to 2025-09-30 | Not Available | 0.7863 | |||
| MRSA Bacteremia: Lower Confidence Limit2024-10-01 to 2025-09-30 | Not Available | 0.3103 | |||
| MRSA Bacteremia: Upper Confidence Limit2024-10-01 to 2025-09-30 | Not Available | 2.305 | |||
| MRSA Bacteremia: Patient Days2024-10-01 to 2025-09-30 | 3,956 | 14,451 | 52,601 | ||
| MRSA Bacteremia: Predicted Cases2024-10-01 to 2025-09-30 | 0.07 | 0.567 | 3.111 | ||
| MRSA Bacteremia: Observed Cases2024-10-01 to 2025-09-30 | 0 | 0 | 2.166 | ||
| MRSA Bacteremia2024-10-01 to 2025-09-30 | Not Available | 0.7784 | |||
| Clostridium Difficile (C.Diff): Lower Confidence Limit2024-10-01 to 2025-09-30 | 0.033 | 0.127 | 0.1925 | No Different than National Benchmark | |
| Clostridium Difficile (C.Diff): Upper Confidence Limit2024-10-01 to 2025-09-30 | 3.213 | 0.747 | 0.9502 | No Different than National Benchmark | |
| Clostridium Difficile (C.Diff): Patient Days2024-10-01 to 2025-09-30 | 3,956 | 13,646 | 48,317 | No Different than National Benchmark | |
| Clostridium Difficile (C.Diff): Predicted Cases2024-10-01 to 2025-09-30 | 1.535 | 5.683 | 27.04 | No Different than National Benchmark | |
| Clostridium Difficile (C.Diff): Observed Cases2024-10-01 to 2025-09-30 | 1 | 2 | 9.99 | No Different than National Benchmark | |
| Clostridium Difficile (C.Diff)2024-10-01 to 2025-09-30 | 0.651 | 0.279 | 0.383 | No Different than National Benchmark | Worse than 85% of US hospitals |
How recent inpatients answered each survey question, with CMS's star rating per topic.
| Measure | Sonoma Valley Hospital | US median | CA average | CMS comparison | US rank |
|---|---|---|---|---|---|
| Room was "always" clean2024-10-01 to 2025-09-30 · 164 cases | 74 | 73 | 72.2 | Better than 51% of US hospitals | |
| Room was "sometimes" or "never" clean2024-10-01 to 2025-09-30 · 164 cases | 7 | 8 | 8.78 | Better than 56% of US hospitals | |
| Room was "usually" clean2024-10-01 to 2025-09-30 · 164 cases | 19 | 18 | 19.02 | ||
| Cleanliness - linear mean score2024-10-01 to 2025-09-30 · 164 cases | 89 | 87 | 86.82 | Better than 66% of US hospitals | |
| Cleanliness - star rating2024-10-01 to 2025-09-30 · 164 cases | 4 | 4 | 3.514 | Better than 47% of US hospitals | |
| Nurses "always" communicated well2024-10-01 to 2025-09-30 · 164 cases | 85 | 80 | 75.76 | Better than 79% of US hospitals | |
| Nurse communication - linear mean score2024-10-01 to 2025-09-30 · 164 cases | 94 | 91 | 89.84 | Better than 82% of US hospitals | |
| Nurses "sometimes" or "never" communicated well2024-10-01 to 2025-09-30 · 164 cases | 2 | 4 | 5.713 | Better than 76% of US hospitals | |
| Nurse communication - star rating2024-10-01 to 2025-09-30 · 164 cases | 5 | 3 | 2.855 | The top rating, shared by 18% of US hospitals | |
| Nurses "usually" communicated well2024-10-01 to 2025-09-30 · 164 cases | 13 | 16 | 18.53 | ||
| Doctors "always" communicated well2024-10-01 to 2025-09-30 · 164 cases | 88 | 79 | 75.81 | Better than 90% of US hospitals | |
| Doctor communication - linear mean score2024-10-01 to 2025-09-30 · 164 cases | 94 | 91 | 89.11 | Better than 87% of US hospitals | |
| Doctors "sometimes" or "never" communicated well2024-10-01 to 2025-09-30 · 164 cases | 4 | 5 | 7.043 | Better than 62% of US hospitals | |
| Doctor communication - star rating2024-10-01 to 2025-09-30 · 164 cases | 4 | 3 | 2.688 | Better than 63% of US hospitals | |
| Doctors "usually" communicated well2024-10-01 to 2025-09-30 · 164 cases | 8 | 16 | 17.15 | ||
| Staff "always" explained2024-10-01 to 2025-09-30 · 164 cases | 65 | 61 | 58.95 | Better than 68% of US hospitals | |
| Communication about medicines - linear mean score2024-10-01 to 2025-09-30 · 164 cases | 80 | 77 | 75.75 | Better than 72% of US hospitals | |
| Staff "sometimes" or "never" explained2024-10-01 to 2025-09-30 · 164 cases | 16 | 19 | 21.56 | Better than 69% of US hospitals | |
| Communication about medicines - star rating2024-10-01 to 2025-09-30 · 164 cases | 3 | 3 | 2.449 | Better than 47% of US hospitals | |
| Staff "usually" explained2024-10-01 to 2025-09-30 · 164 cases | 19 | 19 | 19.48 | ||
| Discharge information - linear mean score2024-10-01 to 2025-09-30 · 164 cases | 89 | 86 | 84.61 | Better than 78% of US hospitals | |
| No, staff "did not" give patients this information2024-10-01 to 2025-09-30 · 164 cases | 11 | 13 | 15.03 | Better than 68% of US hospitals | |
| Discharge information - star rating2024-10-01 to 2025-09-30 · 164 cases | 4 | 3 | 3.08 | Better than 55% of US hospitals | |
| Yes, staff "did" give patients this information2024-10-01 to 2025-09-30 · 164 cases | 89 | 87 | 84.97 | Better than 68% of US hospitals | |
| No, staff "did not" give patients information about help after discharge2024-10-01 to 2025-09-30 · 164 cases | 12 | 14 | 16.39 | Better than 68% of US hospitals | |
| Yes, staff "did" give patients information about help after discharge2024-10-01 to 2025-09-30 · 164 cases | 88 | 86 | 83.61 | Better than 68% of US hospitals | |
| Doctors "always" explained things so they could understand2024-10-01 to 2025-09-30 · 164 cases | 84 | 74 | 70.69 | Better than 93% of US hospitals | |
| Doctors "sometimes" or "never" explained things so they could understand2024-10-01 to 2025-09-30 · 164 cases | 5 | 7 | 8.855 | Better than 68% of US hospitals | |
| Doctors "usually" explained things so they could understand2024-10-01 to 2025-09-30 · 164 cases | 11 | 19 | 20.45 | ||
| Doctors "always" listened carefully2024-10-01 to 2025-09-30 · 164 cases | 88 | 77 | 73.94 | Better than 94% of US hospitals | |
| Doctors "sometimes" or "never" listened carefully2024-10-01 to 2025-09-30 · 164 cases | 4 | 6 | 7.637 | Better than 70% of US hospitals | |
| Doctors "usually" listened carefully2024-10-01 to 2025-09-30 · 164 cases | 8 | 17 | 18.43 | ||
| Doctors "always" treated them with courtesy and respect2024-10-01 to 2025-09-30 · 164 cases | 92 | 85 | 81.99 | Better than 91% of US hospitals | |
| Doctors "sometimes" or "never" treated them with courtesy and respect2024-10-01 to 2025-09-30 · 164 cases | 3 | 3 | 4.958 | Better than 49% of US hospitals | |
| Doctors "usually" treated them with courtesy and respect2024-10-01 to 2025-09-30 · 164 cases | 5 | 11 | 13.06 | ||
| Patients who gave a rating of "6" or lower (low)2024-10-01 to 2025-09-30 · 164 cases | 6 | 8 | 10.01 | Better than 63% of US hospitals | |
| Patients who gave a rating of "7" or "8" (medium)2024-10-01 to 2025-09-30 · 164 cases | 20 | 20 | 22.36 | ||
| Patients who gave a rating of "9" or "10" (high)2024-10-01 to 2025-09-30 · 164 cases | 74 | 72 | 67.63 | Better than 58% of US hospitals | |
| Overall hospital rating - linear mean score2024-10-01 to 2025-09-30 · 164 cases | 90 | 88 | 86.85 | Better than 66% of US hospitals | |
| Overall hospital rating - star rating2024-10-01 to 2025-09-30 · 164 cases | 4 | 3 | 3.047 | Better than 55% of US hospitals | |
| Staff "always" explained new medications2024-10-01 to 2025-09-30 · 164 cases | 77 | 74 | 72.06 | Better than 66% of US hospitals | |
| Staff "sometimes" or "never" explained new medications2024-10-01 to 2025-09-30 · 164 cases | 3 | 9 | 10.94 | Better than 94% of US hospitals | |
| Staff "usually" explained new medications2024-10-01 to 2025-09-30 · 164 cases | 20 | 16 | 17 | ||
| Nurses "always" explained things so they could understand2024-10-01 to 2025-09-30 · 164 cases | 81 | 75 | 71.11 | Better than 84% of US hospitals | |
| Nurses "sometimes" or "never" explained things so they could understand2024-10-01 to 2025-09-30 · 164 cases | 4 | 5 | 7.488 | Better than 66% of US hospitals | |
| Nurses "usually" explained things so they could understand2024-10-01 to 2025-09-30 · 164 cases | 15 | 20 | 21.4 | ||
| Nurses "always" listened carefully2024-10-01 to 2025-09-30 · 164 cases | 82 | 77 | 72.49 | Better than 79% of US hospitals | |
| Nurses "sometimes" or "never" listened carefully2024-10-01 to 2025-09-30 · 164 cases | 2 | 4 | 6.121 | Better than 80% of US hospitals | |
| Nurses "usually" listened carefully2024-10-01 to 2025-09-30 · 164 cases | 16 | 19 | 21.39 | ||
| Nurses "always" treated them with courtesy and respect2024-10-01 to 2025-09-30 · 164 cases | 91 | 86 | 82.8 | Better than 83% of US hospitals | |
| Nurses "sometimes" or "never" treated them with courtesy and respect2024-10-01 to 2025-09-30 · 164 cases | 2 | 3 | 3.779 | Better than 50% of US hospitals | |
| Nurses "usually" treated them with courtesy and respect2024-10-01 to 2025-09-30 · 164 cases | 7 | 11 | 13.42 | ||
| "Always" quiet at night2024-10-01 to 2025-09-30 · 164 cases | 52 | 59 | 47.5 | Worse than 74% of US hospitals | |
| "Sometimes" or "never" quiet at night2024-10-01 to 2025-09-30 · 164 cases | 7 | 9 | 17.79 | Better than 61% of US hospitals | |
| "Usually" quiet at night2024-10-01 to 2025-09-30 · 164 cases | 41 | 31 | 34.71 | ||
| Quietness - linear mean score2024-10-01 to 2025-09-30 · 164 cases | 81 | 82 | 74.85 | Worse than 52% of US hospitals | |
| Quietness - star rating2024-10-01 to 2025-09-30 · 164 cases | 3 | 3 | 2.203 | 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 · 164 cases | 6 | 5 | 7.623 | Worse than 55% of US hospitals | |
| "YES", patients would definitely recommend the hospital2024-10-01 to 2025-09-30 · 164 cases | 79 | 71 | 68.6 | Better than 75% of US hospitals | |
| Recommend hospital - linear mean score2024-10-01 to 2025-09-30 · 164 cases | 90 | 87 | 85.85 | Better than 68% of US hospitals | |
| "YES", patients would probably recommend the hospital2024-10-01 to 2025-09-30 · 164 cases | 15 | 23 | 23.77 | ||
| Recommend hospital - star rating2024-10-01 to 2025-09-30 · 164 cases | 4 | 4 | 3.431 | Better than 42% of US hospitals | |
| Staff "always" explained possible side effects2024-10-01 to 2025-09-30 · 164 cases | 53 | 47 | 45.33 | Better than 76% of US hospitals | |
| Staff "sometimes" or "never" explained possible side effects2024-10-01 to 2025-09-30 · 164 cases | 30 | 30 | 32.51 | Better than 49% of US hospitals | |
| Staff "usually" explained possible side effects2024-10-01 to 2025-09-30 · 164 cases | 17 | 22 | 22.16 | ||
| Summary star rating2024-10-01 to 2025-09-30 · 164 cases | 4 | 3 | 2.859 | Better than 60% of US hospitals | |
| No, staff "did not" give patients information about possible symptoms2024-10-01 to 2025-09-30 · 164 cases | 10 | 12 | 13.94 | Better than 70% of US hospitals | |
| Yes, staff "did" give patients information about possible symptoms2024-10-01 to 2025-09-30 · 164 cases | 90 | 88 | 86.06 | Better than 70% of US hospitals |
How often the hospital gave recommended care, and how fast.
| Measure | Sonoma Valley Hospital | US median | CA average | CMS comparison | US rank |
|---|---|---|---|---|---|
| Emergency department volume2024-01-01 to 2024-12-31 | low | ||||
| 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 · 676 cases | 10 | 8 | 8.289 | Worse than 62% of US hospitals | |
| Hospital Harm - Severe Hypoglycemia2024-01-01 to 2024-12-31 · 163 cases | 2 | 1 | 1.008 | Worse than 72% of US hospitals | |
| Hospital Harm - Opioid Related Adverse Events2024-01-01 to 2024-12-31 · 446 cases | 1 | 0 | 0.1852 | Worse than 84% of US hospitals | |
| Healthcare workers given influenza vaccination2024-10-01 to 2025-03-31 · 503 cases | 72 | 79 | 69.96 | Worse than 61% 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 · 406 cases | 140 | 154 | 187 | Better than 61% 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 · 341 cases | 119 | 148 | 182 | Better than 75% 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 · 18 cases | 252 | 247 | 282 | Worse than 52% of US hospitals | |
| 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 · 49 cases | 315 | 293 | 411 | Worse than 59% of US hospitals | |
| Left before being seen2024-01-01 to 2024-12-31 · 10,932 cases | 1 | 1 | 2.162 | Better than 42% of US hospitals | |
| Head CT results2024-10-01 to 2025-09-30 · 18 cases | 100 | 74 | 75.06 | The best result, shared by 3% of US hospitals | |
| Endoscopy/polyp surveillance: appropriate follow-up interval for normal colonoscopy in average risk patients2024-01-01 to 2024-12-31 · 168 cases | 100 | 97 | 92.55 | The best result, shared by 27% of US hospitals | |
| Improvement in Patient's Visual Function within 90 Days Following Cataract Surgery2024-01-01 to 2024-12-31 | Not Available | 80 | |||
| ST-Segment Elevation Myocardial Infarction (STEMI)2024-01-01 to 2024-12-31 | Not Available | 48.75 | |||
| Safe Use of Opioids - Concurrent Prescribing2024-01-01 to 2024-12-31 · 165 cases | 21 | 15 | 13.67 | Worse than 88% of US hospitals | |
| Appropriate care for severe sepsis and septic shock2024-10-01 to 2025-09-30 · 63 cases | 84 | 65 | 68.8 | Better than 91% of US hospitals | |
| Septic Shock 3-Hour Bundle2024-10-01 to 2025-09-30 · 19 cases | 100 | 73 | 76.38 | The best result, shared by 3% of US hospitals | |
| Septic Shock 6-Hour Bundle2024-10-01 to 2025-09-30 · 13 cases | 92 | 88 | 86.64 | Better than 61% of US hospitals | |
| Severe Sepsis 3-Hour Bundle2024-10-01 to 2025-09-30 · 67 cases | 91 | 82 | 82.89 | Better than 85% of US hospitals | |
| Severe Sepsis 6-Hour Bundle2024-10-01 to 2025-09-30 · 50 cases | 94 | 94 | 93.98 | Worse than 49% of US hospitals | |
| Discharged on Antithrombotic Therapy2024-01-01 to 2024-12-31 · 25 cases | 96 | 98 | 93.4 | Worse than 66% of US hospitals | |
| Anticoagulation Therapy for Atrial Fibrillation/Flutter2024-01-01 to 2024-12-31 | Not Available | 70.68 | |||
| Antithrombotic Therapy by End of Hospital Day 22024-01-01 to 2024-12-31 | Not Available | 89.93 | |||
| Venous Thromboembolism Prophylaxis2024-01-01 to 2024-12-31 · 300 cases | 94 | 90 | 86.9 | Better than 65% of US hospitals | |
| Intensive Care Unit Venous Thromboembolism Prophylaxis2024-01-01 to 2024-12-31 · 246 cases | 97 | 97 | 94.78 | Better than 45% of US hospitals |
How often scans were ordered when they may not be needed; lower is better.
| Measure | Sonoma Valley Hospital | US median | CA average | CMS comparison | US rank |
|---|---|---|---|---|---|
| Abdomen CT Use of Contrast Material2024-07-01 to 2025-06-30 | 8.1 | 5 | 4.959 | Worse than 78% of US hospitals | |
| Breast Cancer Screening Recall Rates2024-07-01 to 2025-06-30 | 7.3 | 6.6 | 8.417 | Worse than 59% of US hospitals |
Medicare spending around an inpatient stay compared with the US (1 is the US median).
| Measure | Sonoma Valley Hospital | US median | CA average | CMS comparison | US rank |
|---|---|---|---|---|---|
| Medicare hospital spending per patient (Medicare Spending per Beneficiary)2024-01-01 to 2024-12-31 | 1.01 | 0.99 | 1.024 | Worse than 59% of US hospitals |
The scores Medicare uses to raise or lower inpatient payments; higher is better.
| Measure | Sonoma Valley Hospital | US median | CA average | CMS comparison | US rank |
|---|---|---|---|---|---|
| VBP clinical outcomes domain scoreFY 2026 | 0 | 20 | 30.07 | The worst result, shared by 11% of US hospitals | |
| VBP clinical outcomes weighted domain scoreFY 2026 | 0 | 5 | 7.571 | The worst result, shared by 11% of US hospitals | |
| VBP efficiency and cost reduction domain scoreFY 2026 | 0 | 10 | 16.48 | The worst result, shared by 43% of US hospitals | |
| VBP efficiency and cost reduction weighted domain scoreFY 2026 | 0 | 2.5 | 4.567 | The worst result, shared by 43% of US hospitals | |
| VBP person and community engagement domain scoreFY 2026 | 78 | 34 | 28.67 | Better than 96% of US hospitals | |
| VBP person and community engagement weighted domain scoreFY 2026 | 19.5 | 8.75 | 7.519 | Better than 94% of US hospitals | |
| VBP safety domain scoreFY 2026 | 40 | 40 | 45.16 | Worse than 49% of US hospitals | |
| VBP safety weighted domain scoreFY 2026 | 10 | 10 | 11.79 | Worse than 49% of US hospitals | |
| VBP total performance scoreFY 2026 | 29.5 | 29.5 | 30.43 | Better than 50% of US hospitals |
| By fiscal year | FY 2021 | FY 2023 | FY 2024 | FY 2025 | FY 2026 |
|---|---|---|---|---|---|
| VBP clinical outcomes domain score | 22.5 | 0 | 0 | 0 | 0 |
| VBP clinical outcomes weighted domain score | 7.5 | 0 | 0 | 0 | 0 |
| VBP efficiency and cost reduction domain score | 50 | 30 | 40 | 0 | 0 |
| VBP efficiency and cost reduction weighted domain score | 16.67 | 7.5 | 13.33 | 0 | 0 |
| VBP person and community engagement domain score | 23 | Not Available | 40 | 29 | 78 |
| VBP person and community engagement weighted domain score | 7.667 | Not Available | 13.33 | 9.667 | 19.5 |
| VBP safety domain score | Not Available | Not Available | Not Available | Not Available | 40 |
| VBP safety weighted domain score | Not Available | Not Available | Not Available | Not Available | 10 |
| VBP total performance score | 31.83 | Not Available | 26.67 | 9.667 | 29.5 |
Excess readmission ratios by condition; above 1 means more readmissions than expected.
| Measure | Sonoma Valley Hospital | US median | CA average | CMS comparison | US rank |
|---|---|---|---|---|---|
| READM-30-AMI-HRRP2021-07-01 to 2024-06-30 | N/A | 1.015 | |||
| READM-30-CABG-HRRP2021-07-01 to 2024-06-30 | N/A | 1.005 | |||
| READM-30-COPD-HRRP2021-07-01 to 2024-06-30 | 1.005 | 0.9969 | 1.002 | Worse than 57% of US hospitals | |
| READM-30-HF-HRRP2021-07-01 to 2024-06-30 | 1.004 | 0.9983 | 1.017 | Worse than 54% of US hospitals | |
| READM-30-HIP-KNEE-HRRP2021-07-01 to 2024-06-30 | N/A | 0.9788 | |||
| READM-30-PN-HRRP2021-07-01 to 2024-06-30 | 0.9809 | 0.9955 | 1.026 | Better than 60% 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 | 0.9603 | 0.9686 | 0.9717 | N/A | 1.004 | 1.005 |
| READM-30-HF-HRRP | 0.9151 | 0.9332 | 0.9537 | 0.9924 | 1.017 | 1.004 |
| READM-30-HIP-KNEE-HRRP | 0.9601 | 1.038 | 1.115 | N/A | N/A | N/A |
| READM-30-PN-HRRP | 0.8753 | 0.9257 | 0.9982 | 1.017 | 0.9912 | 0.9809 |
Infection ratios, the PSI 90 composite and the total score Medicare ranks hospitals on; lower is better.
| Measure | Sonoma Valley Hospital | US median | CA average | CMS comparison | US rank |
|---|---|---|---|---|---|
| CAUTI standardized infection ratio2023-01-01 to 2024-12-31 | N/A | 0.6114 | |||
| CDI standardized infection ratio2023-01-01 to 2024-12-31 | 1.404 | 0.346 | 0.449 | Worse than 99% of US hospitals | |
| CLABSI standardized infection ratio2023-01-01 to 2024-12-31 | N/A | 0.679 | |||
| HAC Reduction Program payment reductionFY 2026 | Yes | ||||
| MRSA standardized infection ratio2023-01-01 to 2024-12-31 | N/A | 0.7204 | |||
| Patient safety and adverse events composite (PSI 90)2022-07-01 to 2024-06-30 | 1.114 | 0.9628 | 0.9656 | Worse than 82% of US hospitals | |
| SSI standardized infection ratio2023-01-01 to 2024-12-31 | N/A | 0.8116 | |||
| Total HAC scoreFY 2026 | 1.534 | -0.0453 | 0.02733 | Worse than 98% 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 | Yes | Yes |
| Total HAC score | 0.065 | -0.9769 | 0 | -0.2334 | 0.4722 | 1.534 |
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.
CIHQ (since 2026)
Accreditation
None
Medical school affiliation
Hospital district or authority
Ownership type
56
Medicare-certified beds
47
Registered nurses (full-time equivalent)
1966
In Medicare since
Source: CMS Provider of Services file, as reported by the hospital and state surveyors.
What Sonoma Valley Hospital reported to Medicare in its latest cost report, covering Jul 1, 2024 to Jun 30, 2025.
822
Inpatient discharges
Medicare 49%, Medicaid 2%
3,203
Inpatient days
37% of available bed days used
241
Employees (full-time equivalent)
Source: CMS cost report (HCRIS) (report 825337). Figures cover the reporting period, which is not always 12 months, and are self-reported.
Inpatient days and discharges Sonoma Valley Hospital reported by payer. Medicare and Medicaid include their managed care plans, shown separately below.
| Medicare | Medicaid | Other | Total | |
|---|---|---|---|---|
| Inpatient days | 1,540 | 57 | 1,606 | 3,203 |
| Discharges | 405 | 18 | 399 | 822 |
| Average length of stay | 3.8 days | 3.2 days | 4.0 days | 3.9 days |
| Average daily census | 4.2 | 0.2 | 4.4 | 8.8 |
813
Medicare Advantage days
284 discharges
347
Medicaid managed care days
87 discharges
549
Observation bed days
| Unit | Beds | Inpatient days | Medicare days | Occupancy |
|---|---|---|---|---|
| Adults & pediatrics | 18 | 2,162 | 1,310 | 33% |
| Intensive care unit | 6 | 1,041 | 230 | 48% |
| Skilled nursing facility | 27 | 6,862 | 1,353 | 70% |
Source: CMS cost report (HCRIS, Form 2552-10), report 825337, as submitted. Hospitals report these figures themselves; they are not audited financial statements. Worksheet S-3 Part I.
What Sonoma Valley Hospital treats Medicare patients for most often, in 2024. 101 Medicare discharges in 4 published DRGs; 0% surgical; 100% in DRGs with complications (CC or MCC).
| Condition or procedure | Discharges | Average charges | Average Medicare payment | Estimated cost | DRG weight |
|---|---|---|---|---|---|
| Septicemia or severe sepsis without MV >96 hours with MCCMS-DRG 871, medical | 50 | $92,129 | $17,112 | $20,360 | 1.98 |
| Heart failure and shock with MCCMS-DRG 291, medical | 21 | $66,194 | $11,449 | $14,629 | 1.28 |
| Chronic obstructive pulmonary disease with MCCMS-DRG 190, medical | 17 | $103,101 | $9,942 | $22,785 | 1.10 |
| Respiratory infections and inflammations with MCCMS-DRG 177, medical | 13 | $77,400 | $13,626 | $17,105 | 1.70 |
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.
The comprehensive outpatient service groups (APCs) Sonoma Valley Hospital billed Medicare for most in 2024: 315 services in all.
| Service group | Services | Patients | Average charges | Average Medicare payment | US average payment |
|---|---|---|---|---|---|
| Level 1 Intraocular ProceduresAPC 5491 | 128 | 90 | $31,206 | $2,467 | $1,752 |
| Comprehensive Observation ServicesAPC 8011 | 101 | 90 | $44,408 | $2,911 | $2,090 |
| Level 2 Excision/ Biopsy/ Incision and DrainageAPC 5072 | 29 | 27 | $15,613 | $1,718 | $1,220 |
| Level 3 Musculoskeletal ProceduresAPC 5113 | 24 | 24 | $45,973 | $3,442 | $2,373 |
| Level 4 Musculoskeletal ProceduresAPC 5114 | 18 | 18 | $96,374 | $7,911 | $5,339 |
| Level 5 Musculoskeletal ProceduresAPC 5115 | 15 | 14 | $165,141 | $15,868 | $10,772 |
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.
ZIP codes with the most Medicare inpatient stays at Sonoma Valley 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 329 in 2020 to 512 in 2025.
| ZIP code | Stays | Of this hospital's stays | Days | Charges | Market share | Share in 2020 |
|---|---|---|---|---|---|---|
| 95476 | 480 | 94% | 1,849 | $45M | 31% | 28% |
| 95433 | 16 | 3% | 57 | $1.2M | 100% | |
| 95442 | 16 | 3% | 45 | $1.3M | 21% | 28% |
Source: CMS Hospital Service Area file. Shares are of the 512 stays from ZIP codes CMS publishes; it omits ZIP codes with fewer than 11 stays, so market shares count published stays only.
Staff by profession and the rooms and units Sonoma Valley Hospital reported at its latest Medicare certification survey (2026). Counts are people, not full-time equivalents.
3
Operating rooms
1
Off-site locations
47
Registered nurses
1
Licensed practical nurses
2
Physician assistants
2
Pharmacists
3
Respiratory therapists
5
Physical therapists
1
Occupational therapists
1
Speech pathologists and audiologists
15
Radiology technicians
2
Laboratory technicians
6
Medical technologists
1
Dietitians
1
Social workers
126
Other personnel
Source: CMS Provider of Services file.
382 clinicians who bill Medicare list Sonoma Valley 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.
Neha Damle, M.D.
Hematology & Oncology Physician
NPI 1124462544
See commercial rates for Neha Damle, M.D.Alex Metzger, M.D.
Hematology & Oncology Physician
NPI 1821070590
See commercial rates for Alex Metzger, M.D.Margaret Schlatter, MD
Neurology Physician
NPI 1063430031
See commercial rates for Margaret Schlatter, MDIlkcan Cokgor, M.D.
Neurology Physician
NPI 1235100603
See commercial rates for Ilkcan Cokgor, M.D.Jennifer Lucas, M.D.
Specialist
NPI 1619078979
See commercial rates for Jennifer Lucas, M.D.Gurinder Sidhu, MD
Medical Oncology Physician
NPI 1306031315
See commercial rates for Gurinder Sidhu, MDKristin Anderson, MD, MPH
Student in an Organized Health Care Education/Training Program
NPI 1962732354
See commercial rates for Kristin Anderson, MD, MPHSam Ahn, M.D.
Allergy & Immunology (Internal Medicine) Physician
NPI 1558423814
See commercial rates for Sam Ahn, M.D.Neal Birnbaum, M.D.
Rheumatology Physician
NPI 1437142882
See commercial rates for Neal Birnbaum, M.D.Noel Serrano, M.D.
Internal Medicine Physician
NPI 1700925211
See commercial rates for Noel Serrano, M.D.Daniel Mirda, M.D.
Hematology & Oncology Physician
NPI 1811963317
See commercial rates for Daniel Mirda, M.D.Barbara Galligan, MD
Internal Medicine Physician
NPI 1679896013
See commercial rates for Barbara Galligan, MDNatalie Marshall, M.D.
Medical Oncology Physician
NPI 1366445470
See commercial rates for Natalie Marshall, M.D.Do-Eun Lee, MD
Endocrinology, Diabetes & Metabolism Physician
NPI 1346339652
See commercial rates for Do-Eun Lee, MDGary Stein, M.D.
Orthopaedic Surgery Physician
NPI 1952344525
See commercial rates for Gary Stein, M.D.Robert Mayle, M.D.
Orthopaedic Surgery Physician
NPI 1174710545
See commercial rates for Robert Mayle, M.D.Yuichiro Nakai, M.D.
Endocrinology, Diabetes & Metabolism Physician
NPI 1497739114
See commercial rates for Yuichiro Nakai, M.D.Katherine Ziesing, PA-C
Physician Assistant
NPI 1710467774
See commercial rates for Katherine Ziesing, PA-CAditi Choudhry, M.D.
Hematology & Oncology Physician
NPI 1427218908
See commercial rates for Aditi Choudhry, M.D.Daniel Gonzalez, MD, MPH
Sports Medicine (Family Medicine) Physician
NPI 1861998650
See commercial rates for Daniel Gonzalez, MD, MPHHarjot Bhandal, MD
Interventional Pain Medicine Physician
NPI 1245611250
See commercial rates for Harjot Bhandal, MDElizabeth Tong, M.D.
Neuroradiology Physician
NPI 1932495496
See commercial rates for Elizabeth Tong, M.D.Patricia Grinnell, NP
Nurse Practitioner
NPI 1538186457
See commercial rates for Patricia Grinnell, NPPeter Callander, M.D.
Orthopaedic Surgery Physician
NPI 1144316688
See commercial rates for Peter Callander, M.D.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.
Revenue, expenses and income Sonoma Valley 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) | $365.6M | 568.9% |
| Inpatient | $75M | 116.6% |
| Outpatient | $290.7M | 452.3% |
| Contractual allowances and discounts | -$301.4M | -468.9% |
| Net patient revenue | $64.3M | 100.0% |
| Operating expenses | -$74.2M | -115.5% |
| Operating income from patient care | -$10M | -15.5% |
| Other income | $12.2M | 19.0% |
| Contributions and donations | $3.7M | 5.8% |
| Investment income | $337,184 | 0.5% |
| Government appropriations | $6.5M | 10.1% |
| Other | $1.7M | 2.6% |
| Other expenses | -$97,967 | -0.2% |
| Net income | $2.2M | 3.4% |
| Line | Amount | Share |
|---|---|---|
| Traditional Medicare | $110.9M | 30.3% |
| Medicaid (including managed care) | $66.3M | 18.1% |
| Other payers and self-pay | $188.5M | 51.5% |
| Total charges | $365.6M | 100.0% |
Source: CMS cost report (HCRIS, Form 2552-10), report 825337, 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.
Computed from Sonoma Valley Hospital's latest cost report.
-15.5%
Operating margin
Operating income from patient care / net patient revenue
2.8%
Total margin
Net income / net patient revenue plus other income
11.2%
EBITDAR margin
Net income before interest, depreciation and leases (Worksheet A-7), / total revenue
48% of expenses
Personnel costs
Salaries, direct-care contract labor and core wage-related costs / operating expenses
$54.76
Average hourly wage
Adjusted salaries / paid hours (Worksheet S-3 Part II)
11.7 years
Average age of plant
Accumulated depreciation / depreciation for a year
Source: CMS cost report (HCRIS, Form 2552-10), report 825337, as submitted. Hospitals report these figures themselves; they are not audited financial statements.
What Sonoma Valley Hospital owned and owed at the end of its reporting period (Jun 2025), across all fund types: $80.4M in total assets and a $40.9M fund balance.
| Line | Amount | Of total assets |
|---|---|---|
| Cash and temporary investments | $4.4M | 5.5% |
| Patient receivables, net | $6.3M | 7.8% |
| Inventory | $747,692 | 0.9% |
| Total current assets | $14M | 17.4% |
| Property and equipment, net of depreciation | $60.4M | 75.2% |
| Investments and other assets | $6M | 7.4% |
| Total assets | $80.4M | 100.0% |
| Current liabilities | $12.3M | 15.4% |
| Long-term debt | $27.3M | 34.0% |
| Total liabilities | $39.6M | 49.3% |
| Fund balance (net assets) | $40.9M | 50.9% |
Source: CMS cost report (HCRIS, Form 2552-10), report 825337, as submitted. Hospitals report these figures themselves; they are not audited financial statements. This report's assets do not equal its liabilities plus fund balance, so ratios based on it are not shown.
Care Sonoma Valley Hospital provided without full payment, as reported on Worksheet S-10 of its cost report.
$211,838
Cost of charity care
Care for patients approved for charity care and uninsured discounts, at cost
$5M
Bad debt
Patient bills written off as uncollectible, at charges
-$8.8M
Medicaid shortfall
Cost of Medicaid patients (charges times the cost-to-charge ratio) minus Medicaid payments; negative means a surplus
$7,966
State and local indigent care shortfall
Cost of indigent care program patients minus program payments
$1M
Total unreimbursed and uncompensated care
1.4% of operating expenses
Medicaid, CHIP and indigent care shortfalls plus charity care and the cost of bad debt (Worksheet S-10 line 31)
Source: CMS cost report (HCRIS, Form 2552-10), report 825337, as submitted. Hospitals report these figures themselves; they are not audited financial statements.
Sonoma Valley Hospital's full-year cost reports, by fiscal year end. Reports shorter than ten months are left out.
| Fiscal year ending | Jun 2020 | Jun 2021 | Jun 2022 | Jun 2023 | Jun 2024 | Jun 2025 |
|---|---|---|---|---|---|---|
| Net patient revenue | $46.5M | $48.9M | $49.8M | $55M | $55.9M | $64.3M |
| Operating expenses | $55.5M | $58.1M | $59.1M | $64.1M | $66.9M | $74.2M |
| Operating margin | -19.3% | -18.9% | -18.7% | -16.5% | -19.7% | -15.5% |
| Net income | $9.2M | $5.1M | $585,675 | $1.1M | $2.7M | $2.2M |
| Total assets | $80M | $84.2M | $83.8M | $88M | $95.6M | $80.4M |
| Discharges | 862 | 784 | 779 | 712 | 818 | 822 |
| Inpatient days | 3,225 | 3,165 | 3,234 | 3,227 | 2,941 | 3,203 |
| Medicare Advantage days | 290 | 261 | 430 | 657 | 667 | 813 |
| Beds | 75 | 75 | 75 | 51 | 51 | 51 |
| Employees (FTE) | 222 | 227 | 222 | 229 | 227 | 241 |
Source: CMS cost report (HCRIS, Form 2552-10), report 825337, as submitted. Hospitals report these figures themselves; they are not audited financial statements.
Each cost center Sonoma Valley Hospital reports, largest first. Total cost includes its share of overhead; the cost-to-charge ratio is total cost / charges.
| Department | Salaries | Total cost | Charges | Cost-to-charge | Square feet |
|---|---|---|---|---|---|
| Emergency | $2.6M | $8M | $89.7M | 0.09 | 5,523 |
| Operating room | $2.2M | $6.7M | $57.5M | 0.12 | 5,245 |
| Drugs charged to patients | $5.4M | $21.5M | 0.25 | ||
| Laboratory | $1.6M | $4.7M | $39.2M | 0.12 | 2,731 |
| Radiology-diagnostic | $1.8M | $4.6M | $23M | 0.20 | 6,215 |
| Physical therapy | $1.5M | $2.8M | $11.7M | 0.24 | 534 |
| Clinic | $917,486 | $2.6M | $3.4M | 0.76 | 2,462 |
| Impl. dev. charged to patients | $2.4M | $7M | 0.34 | ||
| Medical supplies charged to patient | $1.6M | $3.8M | 0.42 | ||
| Observation beds (non-distinct part | $1.3M | $2.3M | 0.54 | ||
| Ct scan | $217,257 | $1.2M | $45.9M | 0.03 | 1,145 |
| Respiratory therapy | $618,455 | $1.1M | $3.5M | 0.31 | 468 |
| Industrial health | $353,793 | $994,648 | $679,117 | 1.46 | 2,028 |
| Mri | $283,620 | $701,287 | $12.9M | 0.05 | |
| Electrocardiology | $207,484 | $497,656 | $8.5M | 0.06 | 557 |
| Wound care | $177,773 | $374,938 | $2.1M | 0.18 | |
| Anesthesiology | $63,534 | $321,377 | $6.5M | 0.05 | 160 |
| Occupational therapy | $164,271 | $257,526 | $1.6M | 0.16 | |
| Speech pathology | $130,308 | $244,964 | $1.5M | 0.17 | 130 |
| Pulmonary function | $54,802 | $128,110 | $957,867 | 0.13 | 284 |
| Laboratory - pathology | $67,521 | $83,320 | 0.81 | ||
| Intravenous therapy | $67,033 | $1M | 0.07 | ||
| Whole blood & packed red blood cell | $54,041 | $573,903 | 0.09 | ||
| Electroencephalography | $378 |
| Department | Salaries | Total cost | Charges | Cost-to-charge | Square feet |
|---|---|---|---|---|---|
| Adults & pediatrics | $2.2M | $6.2M | $11.6M | 0.54 | 7,199 |
| Skilled nursing facility | $5.1M | $1 | 5140545.00 | 8,905 | |
| Intensive care unit | $1.9M | $4.1M | $9.2M | 0.45 | 2,744 |
| Department | Salaries | Direct cost | Paid hours | Average hourly wage | Square feet |
|---|---|---|---|---|---|
| Employee benefits department | $422,150 | $5.5M | 7,165 | $58.92 | 1,867 |
| Other administrative and general | $1.6M | $5M | 6,026 | ||
| Cap rel costs-mvble equip | $4.6M | ||||
| Operation of plant | $652,435 | $3.2M | 11,645 | $56.03 | 34,353 |
| Data processing | $781,082 | $2.3M | 2,522 | ||
| Cap rel costs-bldg & fixt | $2.2M | 126,778 | |||
| Nursing administration | $1.9M | $2.2M | 23,588 | $81.76 | 467 |
| Pharmacy | $1.2M | $1.9M | 19,869 | $62.78 | 1,179 |
| Dietary | $729,763 | $1.1M | 27,822 | $26.23 | 3,154 |
| Admitting | $879,702 | $953,785 | 1,191 | ||
| Cashiering/accounts receivable | $485,903 | $905,409 | 60 | ||
| Housekeeping | $804,462 | $803,601 | 31,124 | $25.85 | 1,107 |
| Medical records & library | $474,737 | $552,331 | 11,983 | $39.62 | 1,098 |
| Purchasing receiving and stores | $339,409 | $414,388 | 1,907 | ||
| Central services & supply | $216,858 | $381,285 | 6,310 | $34.37 | 942 |
| Laundry & linen service | $25,489 | $227,898 | 907 | $28.10 | |
| Social service | $4,870 | $5,239 | 88 | $55.34 | 120 |
| Nonpatient telephones | $122 |
Source: CMS cost report (HCRIS, Form 2552-10), report 825337, 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.
The factors Medicare uses to set what it pays Sonoma Valley Hospital for an inpatient stay.
1.34
Case mix index
Higher than 13% 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).
18.6%
Low-income patient share
Disproportionate share percentage: Medicaid and SSI patient days CMS uses for safety-net payments (FY 2027).
443
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).
| IPPS fiscal year | FY 2021 | FY 2022 | FY 2023 | FY 2024 | FY 2025 | FY 2026 | FY 2027 |
|---|---|---|---|---|---|---|---|
| Case mix index | 1.56 | 1.55 | 1.46 | 1.51 | 1.49 | 1.37 | 1.34 |
| Wage index | 1.665 | 1.707 | 1.739 | 1.706 | 1.660 | 1.577 | 1.524 |
| Readmissions adjustment | 0.00% | 0.00% | -0.29% | -0.58% | -0.10% | -0.10% | -0.03% |
| Value-based purchasing adjustment | +1.06% | +0.04% | +0.04% | -0.36% | +0.53% | -1.13% | +0.03% |
| Medicare inpatient stays | 518 | 518 | 358 | 313 | 369 | 392 | 443 |
Source: CMS IPPS final rule Impact File (FY 2027).
Organizations Sonoma Valley Hospital reports to Medicare as owners or with operational control. 1 individuals also hold ownership interests; they are not listed here.
Sonoma Valley Health Care District
Operational/managerial control, since 1966
Sources: CMS Hospital All Owners.
The officers and board members on Sonoma Valley Hospital's Medicare enrollment and on the IRS Form 990 filed under its tax ID.
Source: CMS Hospital All Owners (PECOS), the people the hospital lists on its Medicare enrollment.
340B drug pricing program
Not participating
340B ID DSH050090, registered as a disproportionate share hospital. Authorizing official: Kelly Mather, CEO.
Source: HRSA 340B Office of Pharmacy Affairs Information System.
Sonoma valley health care snf
CCN 555258, certified 1986, Medicare prospective payment
Source: Worksheet S-2 Part I of Sonoma Valley Hospital's latest Medicare cost report (HCRIS).
About Sonoma Valley Hospital's rates and hospital price transparency.
For MRI of the brain, without contrast (CPT 70551), published negotiated rates at Sonoma Valley Hospital range from $209 to $4,325 across 4 insurers. Anthem Blue Cross / Blue Shield of CA's rate is $3,071. The median at nearby comparable hospitals is $1,509. What a patient pays depends on their plan's deductible, coinsurance and network status.
For CT abdomen and pelvis with contrast (CPT 74177), published negotiated rates at Sonoma Valley Hospital range from $288 to $5,952 across 3 insurers. UnitedHealthcare's rate is $768. The median at nearby comparable hospitals is $3,281. What a patient pays depends on their plan's deductible, coinsurance and network status.
For Colonoscopy with biopsy (CPT 45380), published negotiated rates at Sonoma Valley Hospital range from $3,037 to $6,245 across 3 insurers. Anthem Blue Cross / Blue Shield of CA's rate is $3,037. The median at nearby comparable hospitals is $1,602. What a patient pays depends on their plan's deductible, coinsurance and network status.
For Vaginal delivery, hospital stay (MS-DRG 807), published negotiated rates at Sonoma Valley Hospital range from $10,893 to $10,893 across 1 insurers. UnitedHealthcare's rate is $10,893. What a patient pays depends on their plan's deductible, coinsurance and network status.
For Screening mammography, bilateral (CPT 77067), published negotiated rates at Sonoma Valley Hospital range from $104 to $529 across 4 insurers. Anthem Blue Cross / Blue Shield of CA's rate is $375. The median at nearby comparable hospitals is $258. What a patient pays depends on their plan's deductible, coinsurance and network status.
For Major lower-extremity joint replacement without MCC (MS-DRG 470), published negotiated rates at Sonoma Valley Hospital range from $23,401 to $61,568 across 4 insurers. Aetna's rate is $38,766. The median at nearby comparable hospitals is $82,321. What a patient pays depends on their plan's deductible, coinsurance and network status.
Sonoma Valley Hospital has a CMS overall hospital star rating of 2 out of 5 on Medicare Care Compare (CMS data released 2026-08-13). That is lower than 73% of US hospitals.
CMS reports no Medicare-funded interns or residents at Sonoma Valley Hospital for fiscal year 2027.
Yes. Under the Hospital Readmissions Reduction Program, Medicare cuts Sonoma Valley Hospital's base inpatient payments by an estimated 0.03% in fiscal year 2027 for more readmissions than expected.
In 2024, the most common were septicemia or severe sepsis without mv >96 hours with mcc (50 discharges), heart failure and shock with mcc (21 discharges), chronic obstructive pulmonary disease with mcc (17 discharges).
Sonoma Valley Hospital's Medicare case mix index is 1.34 for fiscal year 2027, higher than 13% of hospitals paid under the inpatient prospective payment system.
Sonoma Valley Hospital reported 822 inpatient discharges and 3,203 inpatient days from Jul 1, 2024 to Jun 30, 2025.
Sonoma Valley Hospital reported 241 full-time-equivalent employees on payroll from Jul 1, 2024 to Jun 30, 2025.
Sonoma Valley Hospital reported $64.3M in net patient revenue on $365.6M of gross charges for Jul 1, 2024 to Jun 30, 2025, an operating margin of -15.5%, and net income of $2.2M.
Sonoma Valley Hospital reported $1M of unreimbursed and uncompensated care for Jul 1, 2024 to Jun 30, 2025, including $211,838 of charity care at cost.
Insurers' price transparency files list Sonoma Valley Hospital under employer identification number 94-6001317 (Sonoma Valley Hospital). 57 health plans and networks list 94-6001317 for it.
HRSA's 340B database lists Sonoma Valley Hospital (340B ID DSH050090) as no longer participating since 2018.
382 clinicians who bill Medicare list Sonoma Valley Hospital as a hospital affiliation in CMS's Doctors and Clinicians data. The largest groups are internal medicine physician (35), physician assistant (27), diagnostic radiology physician (24).
Yes. CMS's Provider of Services file lists CIHQ as the accrediting organization for Sonoma Valley Hospital, effective 2026.
In its Medicare enrollment, Sonoma Valley Hospital reports Sonoma Valley Health Care District as Operational/managerial control.
CMS lists 32 services at Sonoma Valley Hospital, including Anesthesia, CARF Inpatient Rehabilitation (Commission On Accreditation Of Rehabilitation Facilities Inpatient Rehabilitation), Clinical Laboratory, Coronary Care Unit, CT Scan, Diagnostic Radiology.
In CMS's 2025 Hospital Service Area file, the most Medicare inpatient stays at Sonoma Valley Hospital came from ZIP codes 95476 (480), 95433 (16), 95442 (16).
Sonoma Valley Hospital has 51 beds, including its psychiatric, rehabilitation and other subprovider units, in its latest Medicare cost report. 56 are Medicare-certified beds in CMS's Provider of Services file. Facility type: Short Term Acute Care Hospital.
Sonoma Valley Hospital is located at 347 Andrieux Street, Sonoma, CA 95476. Its main phone number is (707) 935-5000.
Sonoma Valley Hospital's CMS Certification Number (CCN), also called its Medicare provider number, is 050090.
The National Provider Identifier (NPI) on file for Sonoma Valley Hospital is 1710063870.
Sonoma Valley Hospital is affiliated with University of California Health.
Sonoma Valley Hospital lists 36 in-network payers, including Aetna, Ameri Health, Aspirus Health Plan, Avera Health Plans, and is Medicare-certified. Insurance acceptance may vary by plan, so confirm coverage with your insurer or the hospital's billing department.
220 disclosed rate categories. Each shows the payer, category, code type and group with its code range, and contract type, along with how the rate compares with the state average.
Under 45 CFR Part 180, every US hospital must publish a machine-readable file of its standard charges, including gross charges, discounted cash prices and payer-specific negotiated rates, in the CMS template format. PayerPrice can help hospitals publish and maintain these files.
A chargemaster (charge description master, or CDM) is a hospital's master list of billable items, with codes, descriptions and gross charges. A chargemaster review looks at those lines for accuracy and pricing. PayerPrice can help hospitals review their chargemaster; contact us to discuss your needs.
For hospital finance and compliance teams
The data on this page comes from the files hospitals and payers publish. We help hospitals publish theirs correctly, and take a fresh look at their chargemaster.
We turn your chargemaster and payer contracts into the CMS template file, then keep it current as rates change.
{
"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",
"plan_name": "HMO",
"methodology": "fee schedule",
"standard_charge_dollar": 250
}
]
}]
}Your chargemaster sets the gross charge on every claim, and many payer contracts base payment on it through percent-of-charge, lesser-of and stop-loss terms. We audit it line by line and show how your charges and negotiated rates compare with peer hospitals before your next negotiation.
What a review covers