Hospitals in Alameda County, California
15 Medicare-certified hospitals, sorted by CMS overall rating (a national standard — not curved within California). “Not rated” is CMS’s own suppression, never a judgment.
| Hospital | City | CMS rating | ER |
|---|---|---|---|
| Alta Bates Summit Medical Center | Oakland | ★★★★★5 | Yes |
| Stanford Health Care Tri-Valley | Pleasanton | ★★★★★5 | Yes |
| Alameda Hospital | Alameda | ★★★★★4 | Yes |
| Alta Bates Summit Medical Center - Alta Bates Camp | Berkeley | ★★★★★4 | Yes |
| Eden Medical Center | Castro Valley | ★★★★★4 | Yes |
| Kaiser Foundation Hospital - Fremont | Fremont | ★★★★★4 | Yes |
| Kaiser Foundation Hospital - Oakland/Richmond | Oakland | ★★★★★2 | Yes |
| Kaiser Foundation Hospital - San Leandro | San Leandro | ★★★★★2 | Yes |
| Washington Hospital | Fremont | ★★★★★2 | Yes |
| Highland Hospital | Oakland | ★★★★★1 | Yes |
| St Rose Hospital | Hayward | ★★★★★1 | No |
| Bhc Fremont Hospital Inc | Fremont | not rated | No |
| Telecare Heritage Psychiatric Health Facility | Oakland | not rated | No |
| UCSF Benioff Children's Hospital Oakland | Oakland | not rated | Yes |
| Willow Rock Center | San Leandro | not rated | No |
Data: Centers for Medicare & Medicaid Services (data.cms.gov), last updated April 28, 2026. This site is not affiliated with CMS or any government agency.