Adventist Health Sonora in Sonora, CA
Also known as Sonora Regional Medical Center
In a medical emergency, call 911. This page is for information only.
About Adventist Health Sonora
Adventist Health Sonora is an acute care hospital in Sonora, Tuolumne County, California. It reports its ownership to Medicare as nonprofit (church-affiliated). It does not report emergency services to Medicare. Its CMS Overall Hospital Quality Star Rating is 3 out of 5. It has 72 licensed beds, according to state license data via HIFLD. It meets the CMS Birthing-Friendly designation criteria for maternity care. The nearest other listed hospital is Mark Twain Medical Center, about 22 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
- Catheter-associated urinary tract infections (CAUTI)No different · SIR 0.61
- Clostridioides difficile (C. diff) infectionsBetter than national · SIR 0.18
82% 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 recommend64%
- Rated the hospital 9 or 1064%
- Completed surveys326
Survey period ending September 2025. Source: CMS HCAHPS Patient Survey.
Map
37.97754, -120.37004
Nearest hospitals with an emergency room
Nearby hospitals
Frequently asked questions
Where is Adventist Health Sonora located?
Adventist Health Sonora is at 1000 Greenley Road, Sonora, CA 95370 in Tuolumne County.
Does Adventist Health Sonora have an emergency room?
Adventist Health Sonora does not report emergency services to Medicare. The nearest listed hospital with an emergency room is Oak Valley Hospital District, about 31 mi away. In a life-threatening emergency, call 911.
What is the CMS star rating of Adventist Health Sonora?
Adventist Health Sonora has a CMS Overall Hospital Quality Star Rating of 3 out of 5. The rating combines measures of mortality, safety of care, readmission, patient experience and timely and effective care, compared with hospitals nationwide.
What is the phone number of Adventist Health Sonora?
The main phone number on record with Medicare is (209) 536-5000.
Would patients recommend Adventist Health Sonora?
In the most recent HCAHPS patient survey (326 completed surveys), 64% of patients said they would definitely recommend the hospital, and 64% rated it 9 or 10 out of 10.
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