Hospitals in Alameda County, California

Alameda County is served by 15 Medicare-certified hospitals, averaging 3.1 out of 5 overall among rated providers. Provider profiles below include 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 No CMS rating 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 No CMS rating Hospital · Voluntary non-profit - Private UCSF Benioff Children's Hospital Oakland Oakland, CA 94609 No CMS rating 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 No CMS rating

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, examine the CMS overall rating along with the measure groups behind it, confirm the services you need are available, and check whether the hospital is in your insurance network. Ratings are signals, not medical advice.

A sensible first step is to line up the CMS Five-Star ratings, since they distill health inspections, staffing, and quality measures into one score. Treat a strong overall rating as a starting signal, then dig into the inspection findings and staffing numbers that produced it.

For families in Alameda County, the key questions are Medicare and Medicaid participation, current openings, how care plans are set, and how problems are escalated overnight or on weekends. A personal visit plus direct questions is still the surest way to judge whether a provider fits.

Frequently asked questions

How many hospitals does Alameda County have?

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

Which cities in Alameda County offer hospitals?

Based on the current data, Alameda, Oakland, Berkeley, Fremont, Castro Valley, San Leandro and other communities have Medicare-certified hospitals.

Data sources

Data source: CMS Provider Data Catalog. Data as of 2026-10-06.

Required disclosures

For general information only, not medical advice. This website shares public data and general information. It does not offer medical advice, diagnosis, or treatment guidance, and it cannot replace a consultation with a qualified health care professional or with Medicare.

Independent and unaffiliated. MedicalFacilities.org is a private, independently run directory. It is not affiliated with, nor endorsed or operated by, the Centers for Medicare & Medicaid Services (CMS), Medicare, or any government agency. CMS has not reviewed or endorsed this site.

Confirm details before acting. Facility records come from public federal datasets and may lag or contain errors. Always verify current ratings, services, availability, and coverage directly with the provider and on Medicare.gov.

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