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Short Term Acute Care HospitalVoluntary Non-Profit - Private

St. Mary Medical Center

Providence Saint Joseph Health · Apple Valley, CA

18300 Highway 18, Apple Valley, CA 92307(760) 242-2311

2 of 5

CMS star rating

214

Beds

13,583

Inpatient discharges a year

$414.6M

Net patient revenue a year

29

In-network payers

About this hospital

St. Mary Medical Center is a 214-bed voluntary non-profit - private hospital in Apple Valley, CA, affiliated with Providence Saint Joseph Health. Below you'll find publicly disclosed negotiated rates and facility details, including 29 in-network payers and 336 disclosed rate categories.

  • Disproportionate share hospital
  • 340B participant
CCN
050300
NPI
1669456299
Health system
Providence Saint Joseph Health
Teaching
No Medicare-funded residents
County
San Bernardino County
Metro area
Riverside-San Bernardino-Ontario, CA MSA
Medicare contractor
Jurisdiction E, Noridian Healthcare Solutions (01011)
In Medicare since
1966
Last CMS survey
2021

Prices for common services

The 24 services St. Mary Medical Center 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.

Childbirth · Inpatient

Vaginal delivery, hospital stay

MS-DRG 807

$7,987 - $15,623

from 4 insurers · median $10,243

UnitedHealthcare$9,058
Insurer A*$7,987
Insurer B*$11,428
Insurer C*$15,623

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 neonatal nursery services to CMS

Childbirth · Inpatient

Cesarean delivery, hospital stay

MS-DRG 788

$11,269 - $25,367

from 4 insurers · median $13,216

UnitedHealthcare$12,404
Insurer A*$11,269
Insurer B*$14,028
Insurer C*$25,367

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 neonatal nursery services to CMS

Digestive procedures

Colonoscopy with biopsy

CPT 45380

$3,227 - $10,656

from 3 insurers · median $7,800

Aetna$7,800
Insurer A*$3,227
Insurer B*$10,656
Medicare $1,570Nearby hospitals $3,110151% above nearby hospitals

Common here, based on CMS Medicare volume

CT imaging

CT abdomen and pelvis with contrast

CPT 74177

$611 - $2,614

from 4 insurers · median $1,725

Cigna$2,128
Insurer A*$611
Insurer B*$1,321
Insurer C*$2,614
Medicare $458Nearby hospitals $89094% above nearby hospitals

Common here, based on CMS Medicare volume

How the insurers pay at St. Mary Medical Center

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.

InsurerServicesMedian % of MedicareAbove nearbyBelow nearby
Insurer A*24
799%
190
Insurer B*20
597%
91
Insurer C*22
371%
172
Insurer D*24
173%
313

How we chose these services: 3 appear in this hospital's own Medicare claims, 13 are common here based on CMS Medicare volume, and 8 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. Mary Medical Center, or start a free trial.

Insurance Accepted

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

Medicare
Aetna
BCBS
Cigna
United Healthcare (incl Optum, Rocky Mountain, Health Plan of Nevada, Sierra Health)
Ameri HealthAspirus Health PlanAvera Health PlansBanner HealthCenteneEMI Health

More about this hospital

  • Quality

    2 of 5 stars

    • 228 min in the ER before going home (US median 148)
    • Medicare readmissions penalty (-0.42%)
    See quality ratings
  • Doctors and services

    Accredited by The Joint Commission

    • No Medicare-funded residents
    • 38 services
    • 277 affiliated clinicians
    See doctors and services
  • Finances

    $414.6M net patient revenue

    • Operating margin on patient care -5.5%
    • $23.1M unreimbursed and uncompensated care
    • -$12M net income
    See finances
  • Ownership and leadership

    Owned by St Mary Medical Center

    • Private (not for profit)
    • Gregory David Hoffman, chief executive
    • 340B drug pricing program participant
    See ownership and leadership

Tax IDs and NPIs insurers list

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

Tax ID (EIN)Plans and networks listing itOrganization NPIs
95-1914489St Mary Medical Center40Aetna, Cigna, United Healthcare (incl Optum, Rocky Mountain, Health Plan of Nevada, Sierra Health), Allied Benefit Systems, Aspirus Health Plan and 35 more1669456299 St. Mary Medical Center1710109186 St. Mary Medical Center1043406440 St. Mary Medical Centerand 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.

Location

18300 Highway 18, Apple Valley, CA 92307

(760) 242-2311

Get directions

Frequently asked questions

About St. Mary Medical Center's rates and hospital price transparency.

How much does an MRI cost at St. Mary Medical Center?

For MRI of the brain, without contrast (CPT 70551), published negotiated rates at St. Mary Medical Center range from $353 to $4,126 across 4 insurers. Aetna's rate is $353. The median at nearby comparable hospitals is $1,608. What a patient pays depends on their plan's deductible, coinsurance and network status.

How much does a CT scan cost at St. Mary Medical Center?

For CT abdomen and pelvis with contrast (CPT 74177), published negotiated rates at St. Mary Medical Center range from $611 to $2,614 across 4 insurers. Cigna's rate is $2,128. The median at nearby comparable hospitals is $890. What a patient pays depends on their plan's deductible, coinsurance and network status.

How much does a colonoscopy cost at St. Mary Medical Center?

For Colonoscopy with biopsy (CPT 45380), published negotiated rates at St. Mary Medical Center range from $3,227 to $10,656 across 3 insurers. Aetna's rate is $7,800. The median at nearby comparable hospitals is $3,110. What a patient pays depends on their plan's deductible, coinsurance and network status.

How much does giving birth cost at St. Mary Medical Center?

For Vaginal delivery, hospital stay (MS-DRG 807), published negotiated rates at St. Mary Medical Center range from $7,987 to $15,623 across 4 insurers. UnitedHealthcare's rate is $9,058. What a patient pays depends on their plan's deductible, coinsurance and network status.

How much does a mammogram cost at St. Mary Medical Center?

For Screening mammography, bilateral (CPT 77067), published negotiated rates at St. Mary Medical Center range from $160 to $1,057 across 4 insurers. UnitedHealthcare's rate is $160. The median at nearby comparable hospitals is $292. What a patient pays depends on their plan's deductible, coinsurance and network status.

What is St. Mary Medical Center's CMS star rating?

St. Mary Medical Center 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.

Is St. Mary Medical Center a teaching hospital?

CMS reports no Medicare-funded interns or residents at St. Mary Medical Center for fiscal year 2027.

Does Medicare penalize St. Mary Medical Center for readmissions?

Yes. Under the Hospital Readmissions Reduction Program, Medicare cuts St. Mary Medical Center's base inpatient payments by an estimated 0.42% in fiscal year 2027 for more readmissions than expected.

What are the most common Medicare inpatient stays at St. Mary Medical Center?

In 2024, the most common were septicemia or severe sepsis without mv >96 hours with mcc (327 discharges), heart failure and shock with mcc (164 discharges), simple pneumonia and pleurisy with mcc (87 discharges).

What is St. Mary Medical Center's case mix index?

St. Mary Medical Center's Medicare case mix index is 1.84 for fiscal year 2027, higher than 66% of hospitals paid under the inpatient prospective payment system.

For hospital finance and compliance teams

Running price transparency at a hospital like this one?

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.

Compliance MRF

Publish a CMS-compliant machine-readable file

We turn your chargemaster and payer contracts into the CMS template file, then keep it current as rates change.

CMS v3 example: standard_charge_information[0]
{
  "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
      }
    ]
  }]
}
  • CMS template layout, in JSON or CSV
  • Gross, discounted cash, payer-specific and de-identified min / max charges
  • cms-hpt.txt file and homepage footer link
  • Refreshed when your contracts change
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Chargemaster analysis

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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

CodingPricingPayer contractsCompliance
  • CPT, HCPCS, revenue code and modifier errors flagged line by line
  • Missing, duplicate and outdated charge lines identified
  • Charges set below payer allowables caught before lesser-of clauses cut payment
  • Revenue impact of charge changes modeled across percent-of-charge and stop-loss terms
  • Your negotiated rates benchmarked against peer hospitals for the same payers
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