Hospitals in San Mateo County, California
6 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 |
|---|---|---|---|
| Peninsula Medical Center | Burlingame | ★★★★★5 | Yes |
| Sequoia Hospital | Redwood City | ★★★★★5 | Yes |
| Kaiser Foundation Hospital - Redwood City | Redwood City | ★★★★★4 | Yes |
| Kaiser Foundation Hospital - South San Francisco | South San Francisco | ★★★★★4 | Yes |
| Ahmc Seton Medical Center | Daly City | ★★★★★1 | Yes |
| San Mateo Medical Center | San Mateo | not rated | Yes |
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.