CMS 2023 data Official source Free · public domain

CA · Acute Care Hospitals

Marinhealth Medical Center

Marinhealth Medical Center in Greenbrae, CA. CMS-certified hospital reporting Medicare claims under the Hospital Price Transparency Rule.

4/5★
CMS overall rating
#648 of 2,866
Peer rank by rating
Acute Care Hospitals
Facility type
Not indexed
Price transparency MRF

250 BON AIR ROAD, Greenbrae, CA 94904

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Hospital Quality Scorecard

One composite verdict from 4 of 4 CMS Hospital Compare datasets, each benchmarked against every hospital nationally. Missing datasets are excluded, not counted against the score.

A-
81/100
CMS Star Rating
B+
4 / 5

CMS Overall Hospital Quality Star Rating

Mortality Outcomes
A+
2 better / 0 worse

CMS mortality measures vs. the national rate (7 measures reported)

Patient Safety
C+
1 better / 0 worse

CMS patient-safety measures vs. the national rate (7 measures reported)

Readmission Rates
A+
2 better / 0 worse

CMS readmission measures vs. the national rate (11 measures reported)

Source: CMS Hospital Compare (star rating + mortality/safety/readmission outcome measures). Benchmarks are national p10-p90 percentiles across every hospital with a reported value for each measure, computed 2026-05-15. Not a clinical recommendation.

CMS Hospital Compare placement

According to CMS Hospital Compare, Marinhealth Medical Center ranks #648 of 2,866 rated hospitals by overall star rating (4/5).

#648
of 2,866 rated hospitals
4/5
overall star rating
CA
state

Placement is among hospitals with a published overall_rating > 0, ordered by rating descending.

CMS hospital plate

Facility 050360 · CA 4/5★

STAR-4 · UPPER-Q · PHOTO-FINISH · MRF-PENDING · GOV-OWN · TYPE-ACUTE · ER-ON · QUAL-LEAD

  • STAR-4 4/5 stars
  • UPPER-Q #648/2866
  • PHOTO-FINISH ±0★ peer
  • MRF-PENDING MRF not indexed
  • GOV-OWN Government - Hospital Dist…
  • TYPE-ACUTE Acute Care Hospitals
  • ER-ON ER reported
  • QUAL-LEAD 5 above · 0 below

Nearest rated peer outside CA: Abbott Northwestern Hospital, MN (±0★)

Instrument codes from this facility’s CMS Hospital Compare sheet: star band, peer rank, photo-finish gap, MRF disclosure, ownership, type, ER line, and quality-measure posture. Not a placement score.

Star-rating neighbourhood around Marinhealth Medical Center

Lowest and highest poles plus nearest rated peers outside CA, not a full Hospital Compare board reprint.

Adventhealth Fish Me… · FL ·…5/5★Abbott Northwestern… · MN · …4/5★Adirondack Medical C… · NY ·…4/5★Adventhealth Avista · CO · n…4/5★Adventhealth Castle… · CO · …4/5★Marinhealth Medical… · CA · …4/5★Adventhealth Port Ch… · FL ·…1/5★
CMS overall stars · neighbourhood around Marinhealth Medical Center · 2026-05-15

Where this rating sits nationally

CMS overall star rating across 2,866 rated US hospitals

4 Top 37% higher than 63% of 2,866 CMS-rated hospitals

1–2: 229 CMS-rated hospitals (8%). Below this entry. 2–3: 649 CMS-rated hospitals (23%). Below this entry. 3–4: 935 CMS-rated hospitals (33%). Below this entry. 4–5: 765 CMS-rated hospitals (27%). This entry sits in this band. 5–6: 288 CMS-rated hospitals (10%). Above this entry. This hospital 1 6 overall star rating (1-5), bucketed by value

Each bar is a 1-wide band; taller bars hold more CMS-rated hospitals. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count, share, and where it sits relative to this entry.

Source CMS Hospital Compare, overall_rating · 2026-05-15

Marinhealth Medical Center sits in the above-average CMS measure third

Across mortality, patient-safety, and readmission cells, Marinhealth Medical Center posts 5 above-average counts against 0 below-average - a LEAD sheet in the Hospital Compare measure stack.

5
Above avg cells
20
Same-as-avg cells
0
Below avg cells
Mortality
2 above avg, 5 same as avg
Patient Safety
1 above avg, 6 same as avg
Readmission
2 above avg, 9 same as avg

Cell counts are CMS Hospital Compare measure-group tallies (above / same / below national average), not a composite grade or clinical verdict.

Price transparency data not indexed yet

Under the Hospital Price Transparency Rule (effective Jan 2021), hospitals must publish machine-readable files with standard charges including cash/self-pay rates. PlainProcedure has not indexed an MRF for this facility yet; see hospital price transparency or the transparency notes.

Contact

(415) 925-7900

250 BON AIR ROAD, Greenbrae, CA 94904

What to do with this hospital profile

Marinhealth Medical Center posts a LEAD CMS measure sheet (5 above-avg cells). Compare CA facilities and Medicare procedure costs next.

  • Statewide average Medicare allowed amounts, provider counts, and hospital totals for CA. CA profile
  • Browse hospitals reporting Medicare data in CA. Hospitals list
  • How federal Hospital Price Transparency Rule disclosures map to PlainProcedure when no MRF is indexed yet. Transparency guide
  • How CMS star ratings, quality measure bands, and peer ranks are sourced and compared. Methodology

CMS quality stars and Medicare averages describe reporting cohorts, not clinical advice or a price quote for your visit.

Nationwide hospitals with similar CMS profiles

Care Compare-derived peer sets for Marinhealth Medical Center, all outside CA so the neighborhoods are not state containment (the same-state hospital list stays local).

Similar CMS star rating

Nearest rated hospitals outside CA (4/5 here).

Similar Acute Care Hospitals peers

Nearest same facility-type hospitals outside CA.

Similar mortality/safety/readmission shape

Nearest hospitals outside CA by CMS above/same/below cell totals (5/20/0 here · QUAL-LEAD). Distinct from star-rating and facility-type peers.

Frequently Asked Questions

Where does Marinhealth Medical Center rank among CMS-rated hospitals?

Marinhealth Medical Center beats 63% of the 2,866 US hospitals with a published CMS overall star rating, at 4/5 stars.

What type of hospital is Marinhealth Medical Center?

Marinhealth Medical Center is an acute care hospitals, government - hospital district or authority ownership, located in Greenbrae, CA.

Does Marinhealth Medical Center publish machine-readable price data?

Marinhealth Medical Center does not currently have indexed machine-readable price-transparency data on this site; estimated commercial and cash prices above are derived from procedure-level CMS/RAND benchmarks, not this facility's own file.