Is Adventist Health Clearlake Good?
Adventist Health Clearlake has a CMS quality rating of 1/5 and an Outcome Score of 50/100. Mortality outcomes are at the national average.
Below: a structured answer to Is Adventist Health Clearlake Good?. We pull from CMS public data — Inpatient Payment files, Hospital Compare measures, the Provider Data Catalog — and combine them through the LakeQuality value rubric. Every number is sourced and linked. Why this matters: U.S. hospital costs and quality vary by an order of magnitude between facilities for the same procedure, and the variation is not random — it correlates with hospital type, ownership, regional payment adjustments, and case mix. Understanding how to read the public CMS data is the difference between a defensible hospital choice and a coin flip.
The detailed answer below covers what the underlying data shows, the limitations of that data (the Medicare numbers do not directly tell you what commercial insurance pays, or what you will pay out of pocket), and how to translate the public numbers into the questions a patient or family actually has when comparing hospitals.
Key Data
| Metric | Value |
|---|---|
| CMS Quality Rating | 1/5 |
| Outcome Score | 50/100 |
| Value Grade | F |
| Avg Payment | $24,093 |
| Mortality Better / Worse | 0 / 0 |
| Safety Better / Worse | 0 / 0 |
How does Adventist Health Clearlake compare?
On price, Adventist Health Clearlake's average procedure payment of $24,093 runs $8,215 above the national average of $15,878. Against California's state average of $21,491, this hospital is $2,602 more expensive.
On quality, the 1-star CMS rating combines mortality, patient safety, readmissions, and patient experience. Adventist Health Clearlake's 1-star CMS rating is below the national median, which most often reflects elevated readmissions or worse-than-expected outcomes in specific care categories.
Adventist Health Clearlake has a CMS quality rating of 1/5 and an Outcome Score of 50/100. Mortality outcomes are at the national average.
Source: CMS Hospital Price Transparency, 2026.