Adventist Health Clearlake in Clearlake, CA
Also known as Adventist Health Clear Lake, Saint Helena Hospital Clearlake
In a medical emergency, call 911. This page is for information only.
About Adventist Health Clearlake
Adventist Health Clearlake is a critical access hospital in Clearlake, Lake County, California. It reports its ownership to Medicare as nonprofit (private). It provides emergency services. Its CMS Overall Hospital Quality Star Rating is 2 out of 5. It has 32 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 Sutter Lakeside Hospital, about 19 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 0.00
- Clostridioides difficile (C. diff) infectionsNo different · SIR 0.50
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 recommend67%
- Rated the hospital 9 or 1065%
- Completed surveys179
Survey period ending September 2025. Source: CMS HCAHPS Patient Survey.
Map
38.93513, -122.61994
Nearby hospitals
Frequently asked questions
Where is Adventist Health Clearlake located?
Adventist Health Clearlake is at 15630 18th Ave - Hwy 53, Clearlake, CA 95422 in Lake County.
Does Adventist Health Clearlake have an emergency room?
Yes. Adventist Health Clearlake reports emergency services to Medicare, and patients spent a median of 160 minutes in its emergency department before leaving. In a life-threatening emergency, call 911.
What is the CMS star rating of Adventist Health Clearlake?
Adventist Health Clearlake has a CMS Overall Hospital Quality Star Rating of 2 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 Adventist Health Clearlake a trauma center?
We have no trauma center designation on record for Adventist Health Clearlake. 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 Adventist Health Clearlake?
The main phone number on record with Medicare is (707) 994-6486.
Would patients recommend Adventist Health Clearlake?
In the most recent HCAHPS patient survey (179 completed surveys), 67% of patients said they would definitely recommend the hospital, and 65% rated it 9 or 10 out of 10.
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