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Best hospitals in San Francisco, CA

2 CMS top-rated hospitals Β· 0 at 5 stars Β· mean GUHQI 86.4/100 Β· April 2026

What are the best-rated hospitals in San Francisco, CA?

As of April 2026, San Francisco, CA has 2 hospitals rated 4 or 5 stars by CMS (0 at the top 5-star level). Ranked by the Gera US Hospital Quality Index, Kaiser Foundation Hospital - San Francisco leads with a GUHQI of 86.4/100 (CMS 4 stars). The city's mean GUHQI across these hospitals is 86.4/100. All figures are from real CMS Hospital Care Compare open data.

Source:Centers for Medicare & Medicaid Services β€” Hospital Care Compare (Hospital General Information)Β·as of April 2026updated quarterly (last: )
San Francisco mean Gera US Hospital Quality Index86.4 / 100Mean of the individual GUHQI scores of the 2 CMS 4- or 5-star hospitals in San Francisco, CA. Each hospital's GUHQI is a transparent composite of its CMS star rating, mortality, readmission and HCAHPS outcomes β€” see the methodology page.How this index is calculated
Top-rated hospitals in San Francisco, CA β€” CMS Hospital Care Compare, April 2026 (US public domain)
HospitalCMS starsGUHQITypeEmergency
Kaiser Foundation Hospital - San Francisco4 stars86.4 (High performing)Acute Care HospitalsYes
Ucsf Health St. Mary'S Hospital4 stars86.4 (High performing)Acute Care HospitalsYes

Each hospital name links to its full CMS quality profile. Ratings are from CMS Hospital Care Compare and can be several months old β€” always check the latest detail before making a healthcare decision.

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Frequently asked questions

What is the best hospital in San Francisco, CA?
By the Gera US Hospital Quality Index (GUHQI), the highest-rated hospital in San Francisco, CA is Kaiser Foundation Hospital - San Francisco, with a CMS 4 stars and a GUHQI of 86.4/100 (High performing tier) as of April 2026. This is based on real CMS Hospital Care Compare data, not opinion.
How many top-rated hospitals are in San Francisco, CA?
San Francisco, CA has 2 hospitals rated 4 or 5 stars by CMS in the April 2026 dataset, of which 0 hold the top 5-star rating. Their mean Gera US Hospital Quality Index is 86.4/100.
What does the CMS star rating measure?
The CMS Overall Star Rating is a 1–5 summary of hospital quality across mortality, safety of care, readmission, patient experience (HCAHPS), and timely & effective care. It is published by the U.S. Centers for Medicare & Medicaid Services and is a public-domain government dataset.
Where does this hospital data come from?
All ratings are from the CMS Hospital Care Compare "Hospital General Information" dataset (identifier xubh-q36u), as of April 2026. Ratings can be several months old β€” always check the latest detail on CMS Hospital Care Compare and consult your clinician before deciding.

Choosing care in San Francisco, CA?

San Francisco, CA has 2 CMS top-rated hospitals, led by Kaiser Foundation Hospital - San Francisco (GUHQI 86.4/100). A GeraClinic care navigator can help you interpret these ratings, prepare questions for your provider, and plan your next step β€” with a clinician available online.

Contains public sector information published by Centers for Medicare & Medicaid Services and licensed under the U.S. Public Domain (federal government work). Source: Centers for Medicare & Medicaid Services β€” Hospital Care Compare (Hospital General Information) (April 2026, published 28 April 2026).

Informational/educational only β€” not a substitute for professional medical advice; a clinician interprets results.