Hospitals in San Mateo County, CA
6 hospitals, 6 with emergency services. Acute Care Hospital: 6.
Compare the 4 top-rated hospitals side by side →
- AHMC Seton Medical Center(650) 992‑4000Acute Care Hospital · Daly City · ER · Medicare rating 1 of 5 · Full profile
- Kaiser Foundation Hospital - Redwood City(650) 299‑2000Acute Care Hospital · Redwood City · ER · Medicare rating 4 of 5 · Full profile
- Kaiser Foundation Hospital - South San Francisco(650) 742‑3200Acute Care Hospital · South San Francisco · ER · Medicare rating 4 of 5 · Full profile
- Peninsula Medical Center(650) 696‑5400Acute Care Hospital · Burlingame · ER · Medicare rating 5 of 5 · Full profile
- San Mateo Medical Center(650) 573‑2222Acute Care Hospital · San Mateo · ER · Full profile
- Sequoia Hospital(650) 369‑5811Acute Care Hospital · Redwood City · ER · Medicare rating 5 of 5 · Full profile
Cities in San Mateo County with hospitals
Nursing homes, hospice, home health and dialysis
Medicare-certified providers, with Medicare star ratings and official data.
Outpatient surgery centers
Medicare-certified ambulatory surgery centers: kinds of surgery, Medicare quality measures and patient survey.
Medical supply stores
Medical equipment suppliers enrolled in Medicare: wheelchairs, walkers, oxygen, CPAP, diabetic supplies and more.
ER wait times and Medicare ratings
Ranked only by official Medicare (CMS) numbers.
Care in San Mateo County: specialties, conditions and doctors
Specialties listed by hospitals here
Conditions listed by hospitals here
The number is how many hospitals here list it on their own website (hospitals with a reviewed website profile only).
Health centers, clinics and pharmacies in San Mateo County
Addiction and mental health treatment in San Mateo County
From SAMHSA’s FindTreatment.gov. In a crisis, call or text 988.
Common questions
How many hospitals are in San Mateo County, California?
Our directory lists 6 hospitals in San Mateo County: AHMC Seton Medical Center, Kaiser Foundation Hospital - Redwood City, Kaiser Foundation Hospital - South San Francisco, Peninsula Medical Center, San Mateo Medical Center and Sequoia Hospital.
Which hospitals in San Mateo County have an emergency room?
According to Medicare (CMS) data: AHMC Seton Medical Center, Kaiser Foundation Hospital - Redwood City, Kaiser Foundation Hospital - South San Francisco, Peninsula Medical Center, San Mateo Medical Center and Sequoia Hospital. In a medical emergency, call 911.
What are the Medicare star ratings of hospitals in San Mateo County?
In the current CMS overall rating (1 to 5 stars): Peninsula Medical Center, 5 stars, Sequoia Hospital, 5 stars, Kaiser Foundation Hospital - Redwood City, 4 stars, Kaiser Foundation Hospital - South San Francisco, 4 stars and AHMC Seton Medical Center, 1 star. Other hospitals here are not rated by CMS.
Source: Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-26, retrieved 2026-11-13. Basic profiles: services not yet reviewed in detail.