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Short Term Acute Care HospitalGovernment - Local

Marinhealth Medical Center

Marin Healthcare District · Greenbrae, CA

250 Bon Air Road, Greenbrae, CA 94904(415) 925-7900

5 of 5

CMS star rating

327

Beds

13,992

Inpatient discharges a year

$632M

Net patient revenue a year

40

In-network payers

About this hospital

Marinhealth Medical Center is a 327-bed government - local hospital in Greenbrae, CA, affiliated with Marin Healthcare District. Below you'll find publicly disclosed negotiated rates and facility details, including 40 in-network payers and 320 disclosed rate categories.

  • Disproportionate share hospital
  • 340B participant
CCN
050360
NPI
1396725677
Health system
Marin Healthcare District
Teaching
No Medicare-funded residents
County
Marin County
Metro area
San Francisco-Oakland-Fremont, CA MSA
Medicare contractor
Jurisdiction E, Noridian Healthcare Solutions (01011)
In Medicare since
1966
Last CMS survey
2025

Prices for common services

The 24 services Marinhealth 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

$16,564 - $24,268

from 4 insurers · median $19,521

Cigna$20,582
Insurer A*$16,564
Insurer B*$18,461
Insurer C*$24,268

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

Gynecology

Hysteroscopy with sampling of the uterine lining

CPT 58558

$1,800 - $27,603

from 3 insurers · median $15,685

Aetna$15,685
Insurer A*$1,800
Insurer B*$27,603
Medicare $4,812Nearby hospitals $6,492142% above nearby hospitals

68 Medicare claims in Level 4 Gynecologic Procedures (CMS 2024)

Childbirth · Inpatient

Cesarean delivery, hospital stay

MS-DRG 788

$20,993 - $29,270

from 4 insurers · median $23,795

Cigna$29,270
Insurer A*$20,993
Insurer B*$23,221
Insurer C*$24,368

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

Upper GI endoscopy with biopsy

CPT 43239

$690 - $12,169

from 3 insurers · median $8,139

Anthem / Blue Shield$8,139
Insurer A*$690
Insurer B*$12,169
Medicare $1,348Nearby hospitals $2,980173% above nearby hospitals

Common here, based on CMS Medicare volume

How the insurers pay at Marinhealth 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*23
834%
164
Insurer B*24
474%
147
Insurer C*10
455%
24
Insurer D*12
66%
06

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 Marinhealth 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 HealthBaylor Scott & White Health PlanCentene

More about this hospital

  • Quality

    5 of 5 stars

    • 176 min in the ER before going home (US median 148)
    • Medicare readmissions penalty (-0.02%)
    See quality ratings
  • Doctors and services

    Accredited by The Joint Commission

    • No Medicare-funded residents
    • 42 services, including trauma care
    • 915 affiliated clinicians
    See doctors and services
  • Finances

    $632M net patient revenue

    • Operating margin on patient care -3.8%
    • $39.3M unreimbursed and uncompensated care
    • $26.8M net income
    See finances
  • Ownership and leadership

    Owned by Marin Healthcare District

    • Hospital district or authority
    • David G Klein, 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 Marinhealth 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
94-2823538Marin General Hospital66Aetna, Cigna, United Healthcare (incl Optum, Rocky Mountain, Health Plan of Nevada, Sierra Health), Allied Benefit Systems, Ameri Health and 61 more1396725677 Marin General Hospital1942267869 Marin General Hospital1417975319 Cep America - Californiaand 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

250 Bon Air Road, Greenbrae, CA 94904

(415) 925-7900

Get directions

Frequently asked questions

About Marinhealth Medical Center's rates and hospital price transparency.

How much does a CT scan cost at Marinhealth Medical Center?

For CT abdomen and pelvis with contrast (CPT 74177), published negotiated rates at Marinhealth Medical Center range from $1,501 to $3,135 across 3 insurers. Anthem Blue Cross / Blue Shield of CA's rate is $3,135. The median at nearby comparable hospitals is $5,590. What a patient pays depends on their plan's deductible, coinsurance and network status.

How much does a colonoscopy cost at Marinhealth Medical Center?

For Colonoscopy with biopsy (CPT 45380), published negotiated rates at Marinhealth Medical Center range from $797 to $10,614 across 3 insurers. Anthem Blue Cross / Blue Shield of CA's rate is $8,873. The median at nearby comparable hospitals is $2,595. What a patient pays depends on their plan's deductible, coinsurance and network status.

How much does giving birth cost at Marinhealth Medical Center?

For Vaginal delivery, hospital stay (MS-DRG 807), published negotiated rates at Marinhealth Medical Center range from $16,564 to $24,268 across 4 insurers. Cigna's rate is $20,582. What a patient pays depends on their plan's deductible, coinsurance and network status.

How much does a mammogram cost at Marinhealth Medical Center?

For Screening mammography, bilateral (CPT 77067), published negotiated rates at Marinhealth Medical Center range from $416 to $563 across 2 insurers. Cigna's rate is $416. The median at nearby comparable hospitals is $593. What a patient pays depends on their plan's deductible, coinsurance and network status.

How much does hip or knee replacement cost at Marinhealth Medical Center?

For Major lower-extremity joint replacement without MCC (MS-DRG 470), published negotiated rates at Marinhealth Medical Center range from $33,587 to $64,709 across 4 insurers. Aetna's rate is $64,709. The median at nearby comparable hospitals is $76,305. What a patient pays depends on their plan's deductible, coinsurance and network status.

What is Marinhealth Medical Center's CMS star rating?

Marinhealth Medical Center has a CMS overall hospital star rating of 5 out of 5 on Medicare Care Compare (CMS data released 2026-08-13). That is the top rating, shared by 12% of US hospitals.

Is Marinhealth Medical Center a teaching hospital?

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

Does Medicare penalize Marinhealth Medical Center for readmissions?

Yes. Under the Hospital Readmissions Reduction Program, Medicare cuts Marinhealth Medical Center's base inpatient payments by an estimated 0.02% in fiscal year 2027 for more readmissions than expected.

What are the most common Medicare inpatient stays at Marinhealth Medical Center?

In 2024, the most common were septicemia or severe sepsis without mv >96 hours with mcc (399 discharges), heart failure and shock with mcc (138 discharges), septicemia or severe sepsis without mv >96 hours without mcc (90 discharges).

What is Marinhealth Medical Center's case mix index?

Marinhealth Medical Center's Medicare case mix index is 1.92 for fiscal year 2027, higher than 72% of hospitals paid under the inpatient prospective payment system.

For hospital finance and compliance teams

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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
      }
    ]
  }]
}
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