Hospitals in Alameda County, California

15 Medicare-certified hospitals serve Alameda County, averaging 3.1 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 Alameda County · Cities: Alameda, Oakland, Berkeley, Fremont, Castro Valley, San Leandro, Hayward, Pleasanton

Hospitals profiles in Alameda County

Hospital · Government - Hospital District or Authority Alameda Hospital Alameda, CA 94501 CMS rating 4.0 / 5 Hospital · Voluntary non-profit - Private Alta Bates Summit Medical Center Oakland, CA 94609 CMS rating 5.0 / 5 Hospital · Voluntary non-profit - Private Alta Bates Summit Medical Center - Alta Bates Camp Berkeley, CA 94705 CMS rating 4.0 / 5 Hospital · Proprietary BHC Fremont Hospital INC Fremont, CA 94538 Not CMS-rated Hospital · Voluntary non-profit - Other Eden Medical Center Castro Valley, CA 94546 CMS rating 4.0 / 5 Hospital · Government - Hospital District or Authority Highland Hospital Oakland, CA 94602 CMS rating 1.0 / 5 Hospital · Voluntary non-profit - Private Kaiser Foundation Hospital - Fremont Fremont, CA 94538 CMS rating 4.0 / 5 Hospital · Voluntary non-profit - Private Kaiser Foundation Hospital - Oakland/Richmond Oakland, CA 94611 CMS rating 2.0 / 5 Hospital · Voluntary non-profit - Private Kaiser Foundation Hospital - San Leandro San Leandro, CA 94577 CMS rating 2.0 / 5 Hospital · Voluntary non-profit - Church St Rose Hospital Hayward, CA 94545 CMS rating 1.0 / 5 Hospital · Voluntary non-profit - Private Stanford Health Care Tri-Valley Pleasanton, CA 94588 CMS rating 5.0 / 5 Hospital · Proprietary Telecare Heritage Psychiatric Health Facility Oakland, CA 94601 Not CMS-rated Hospital · Voluntary non-profit - Private UCSF Benioff Children's Hospital Oakland Oakland, CA 94609 Not CMS-rated Hospital · Government - Hospital District or Authority Washington Hospital Fremont, CA 94538 CMS rating 2.0 / 5 Hospital · Proprietary Willow Rock Center San Leandro, CA 94578 Not CMS-rated

Cities in Alameda County

Alameda, CA 1 facilities Oakland, CA 5 facilities Berkeley, CA 1 facilities Fremont, CA 3 facilities Castro Valley, CA 1 facilities San Leandro, CA 2 facilities Hayward, CA 1 facilities Pleasanton, CA 1 facilities

Choosing a hospital in Alameda 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.

Start by comparing CMS Five-Star ratings, which summarize health inspections, staffing, and quality measures. A high overall rating is a useful signal, but read the underlying inspection findings and staffing figures too - they show what is behind the score.

Families in Alameda County should ask about Medicare and Medicaid participation, current openings, care planning, and how concerns are escalated after hours. In-person visits and direct questions remain the most reliable way to judge fit.

Frequently asked questions

How many hospitals are in Alameda County?

The current CMS data lists 15 Medicare-certified hospitals in Alameda County, California, with an average overall CMS rating of 3.1 out of 5 among rated providers.

Which cities in Alameda County have hospitals?

Alameda, Oakland, Berkeley, Fremont, Castro Valley, San Leandro and other communities 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.

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