Alta Bates Summit Medical Center in Oakland, CA
Also known as Alta Bates Summit Medical Center - Summit Campus, Summit Medical Center
In a medical emergency, call 911. This page is for information only.
About Alta Bates Summit Medical Center
Alta Bates Summit Medical Center is an acute care hospital in Oakland, Alameda County, California. It reports its ownership to Medicare as nonprofit (private). It provides emergency services. Its CMS Overall Hospital Quality Star Rating is 5 out of 5. It has 403 licensed beds, according to state license data via HIFLD. CMS also lists an inpatient rehabilitation unit inside the hospital. The nearest other listed hospital is Kaiser Foundation Hospital - Oakland/Richmond, about 0.4 mi away.
Quality ratings
How this hospital compares with the national rate on each measure group:
Source: Centers for Medicare & Medicaid Services, Hospital General Information. How star ratings work.
Emergency room times
Lower times are better. Reporting period ending September 2025. Source: CMS Timely and Effective Care. What these numbers mean.
Infections and sepsis care
- MRSA bloodstream infectionsNo different · SIR 1.43
- Catheter-associated urinary tract infections (CAUTI)No different · SIR 0.72
- Clostridioides difficile (C. diff) infectionsBetter than national · SIR 0.23
- Central line bloodstream infections (CLABSI)Better than national · SIR 0.27
- Surgical site infections after colon surgeryNo different · SIR 0.72
67% of patients with severe sepsis or septic shock received all the recommended early care steps (SEP-1). Higher is better.
SIR is the standardized infection ratio: below 1 means fewer infections than predicted for a hospital like this one. Period ending September 2025. Source: CMS Healthcare-Associated Infections and Timely and Effective Care.
What patients say
- Patient survey star rating
- Would definitely recommend78%
- Rated the hospital 9 or 1075%
- Completed surveys535
Survey period ending September 2025. Source: CMS HCAHPS Patient Survey.
Map
37.82076, -122.26435
Nearby hospitals
- Kaiser Foundation Hospital - Oakland/Richmond275 West Macarthur Boulevard, Oakland, CA · Emergency roomAcute care hospital0.4 mi
- UCSF Benioff Children's Hospital Oakland747 52nd Street, Oakland, CA · Emergency roomChildren's hospital1.2 mi
- Highland Hospital1411 East 31st Street, Oakland, CA · Level I traumaAcute care hospital2.2 mi
- Alta Bates Summit Medical Center - Alta Bates Camp2450 Ashby Avenue, Berkeley, CA · Emergency roomAcute care hospital2.4 mi
- Telecare Heritage Psychiatric Health Facility2633 E 27th Street, Building B, Oakland, CAPsychiatric hospital3.1 mi
- Alameda Hospital2070 Clinton Avenue, Alameda, CA · Emergency roomAcute care hospital4.0 mi
- UCSF Benioff Children's Hospital San Francisco1975 4th Street, San Francisco, CA · Emergency roomChildren's hospital7.9 mi
- Chinese Hospital845 Jackson St, San Francisco, CA · Emergency roomAcute care hospital8.1 mi
- UCSF Health Saint Francis Hospital900 Hyde St, San Francisco, CA · Emergency roomAcute care hospital8.6 mi
- California Pacific Medical Center- Van Ness Campus1101 Van Ness Avenue, San Francisco, CA · Emergency roomAcute care hospital8.9 mi
Frequently asked questions
Where is Alta Bates Summit Medical Center located?
Alta Bates Summit Medical Center is at 350 Hawthorne Avenue, Oakland, CA 94609 in Alameda County.
Does Alta Bates Summit Medical Center have an emergency room?
Yes. Alta Bates Summit Medical Center reports emergency services to Medicare, and patients spent a median of 235 minutes in its emergency department before leaving. In a life-threatening emergency, call 911.
What is the CMS star rating of Alta Bates Summit Medical Center?
Alta Bates Summit Medical Center has a CMS Overall Hospital Quality Star Rating of 5 out of 5. The rating combines measures of mortality, safety of care, readmission, patient experience and timely and effective care, compared with hospitals nationwide.
Is Alta Bates Summit Medical Center a trauma center?
We have no trauma center designation on record for Alta Bates Summit Medical Center. Hospitals without one still treat injuries in their emergency department and transfer patients who need a trauma center. Check the California trauma program for the current list.
What is the phone number of Alta Bates Summit Medical Center?
The main phone number on record with Medicare is (510) 655-4000.
Would patients recommend Alta Bates Summit Medical Center?
In the most recent HCAHPS patient survey (535 completed surveys), 78% of patients said they would definitely recommend the hospital, and 75% rated it 9 or 10 out of 10.
Related guides
- How CMS Hospital Star Ratings WorkThe five measure groups behind the 1 to 5 star Overall Hospital Quality Star Rating, how it is calculated and what it leaves out.
- How to Choose a HospitalA practical checklist for planned care: insurance networks, procedure volume, quality ratings, certifications and cost estimates.
- ER Wait Times ExplainedHow triage and the Emergency Severity Index decide who is seen first, why emergency rooms get crowded and where to find timing data.
- What Is a Trauma Center? Levels I to V ExplainedWhat each trauma center level provides, who designates and verifies them, pediatric trauma centers and how trauma systems route patients.