Hospitals in Sonoma County, California

7 Medicare-certified hospitals serve Sonoma County, averaging 3.4 out of 5 overall among rated providers. Below are provider profiles with CMS ratings, inspections, staffing, and ownership.

Browse: Hospitals in California · all care types in Sonoma County · Cities: Santa Rosa, Healdsburg, Petaluma, Sonoma

Hospitals profiles in Sonoma County

Hospital · Proprietary Aurora Behavioral Healthcare-Santa Rosa, LLC Santa Rosa, CA 95401 Not CMS-rated Hospital · Voluntary non-profit - Private Healdsburg Hospital Healdsburg, CA 95448 Not CMS-rated Hospital · Voluntary non-profit - Private Kaiser Foundation Hospital-Santa Rosa Santa Rosa, CA 95403 CMS rating 3.0 / 5 Hospital · Voluntary non-profit - Other Petaluma Valley Hospital Petaluma, CA 94954 CMS rating 4.0 / 5 Hospital · Voluntary non-profit - Private Providence Santa Rosa Memorial Hospital Santa Rosa, CA 95405 CMS rating 3.0 / 5 Hospital · Government - Hospital District or Authority Sonoma Valley Hospital Sonoma, CA 95476 CMS rating 2.0 / 5 Hospital · Voluntary non-profit - Other Sutter Santa Rosa Regional Hospital Santa Rosa, CA 95403 CMS rating 5.0 / 5

Cities in Sonoma County

Santa Rosa, CA 4 facilities Healdsburg, CA 1 facilities Petaluma, CA 1 facilities Sonoma, CA 1 facilities

Choosing a hospital in Sonoma County

When comparing hospitals, review the CMS overall rating and the underlying measure groups, confirm that the services you need are offered, and check whether the hospital participates in your insurance network. Ratings are signals, not medical advice.

The best comparison uses several signals at once: inspection history, nurse staffing, quality measures, and the specific services a person needs. Ratings summarize those signals but never replace a visit or a conversation with staff.

Visit candidates in Sonoma County when possible, ask how care plans are set and reviewed, and confirm costs, coverage, and availability in writing. Staffing consistency and clear family communication matter as much as any published score.

Frequently asked questions

How many hospitals are in Sonoma County?

The current CMS data lists 7 Medicare-certified hospitals in Sonoma County, California, with an average overall CMS rating of 3.4 out of 5 among rated providers.

Which cities in Sonoma County have hospitals?

Santa Rosa, Healdsburg, Petaluma, Sonoma have Medicare-certified hospitals in the current data.

Data sources

Source: CMS Provider Data Catalog. Data processing date: 2026-10-06.

Important disclosures

Informational only, not medical advice. This directory publishes public data and general information. It does not provide medical advice, diagnosis, or treatment recommendations, and it is not a substitute for consulting a qualified health care professional or Medicare.

Not affiliated. HealthcareFacilities.org is an independent, privately operated directory. It is not affiliated with, endorsed by, or operated by the Centers for Medicare & Medicaid Services (CMS), Medicare, or any government agency. CMS has not reviewed or endorsed this site.

Verify before you act. Facility information is derived from public federal datasets and may lag or contain errors. Always confirm current ratings, services, availability, and coverage directly with the provider and at Medicare.gov.

Some outbound links may be partner or affiliate links - we may earn a commission at no cost to you. This never affects the data we publish.