Complications & Deaths Measures
20
CMS-tracked
California · Acute Care
Adventist Health Ukiah Valley
According to PlainHospital's CMS star-rating ranking (CMS Hospital Compare overall stars), Adventist Health Ukiah Valley ranks #407 of 3182 rated US hospitals by overall star rating (highest = #1).
- 4★
- CMS overall rating
- Top 42%
- national star rank
- #407 of 3182
- Corpus placement
- 20
- Quality measures
- 6
- Infection types
Data currency: Hospital quality, safety, and patient-experience measures from the CMS Care Compare program (published quarterly), last refreshed May 2026. See our methodology for source dates. Spot a figure that looks wrong? Report a correction.
275 Hospital Drive, Ukiah, CA 95482 · Mendocino County · (707) 462-3111
The verdict
According to PlainHospital's CMS star-rating ranking (CMS Hospital Compare overall stars), Adventist Health Ukiah Valley ranks #407 of 3182 rated US hospitals by overall star rating (highest = #1). That corpus rank reflects an above-median CMS star rating nationally.
- Top 42%
- CMS star rating vs 3,182 rated US hospitals
- #407 of 3182
- rated-hospital corpus placement
- 0
- measures better than national of 17 compared
- Yes
- emergency department on site
Since the last CMS release
This hospital held its 4-star rating across the May 2026 and August 2026 CMS releases.
CMS replaces its file at each release rather than publishing a changelog, so this comparison exists only because the earlier release is kept on file. See what changed nationally.
Where Adventist Health Ukiah Valley sits among rated US hospitals
4 Higher than most higher than 58% of 3,182 rated hospitals
CMS star rating (1–5 stars), bucketed by value
Each bar is a band; taller bars hold more rated hospitals. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count and share, and where it sits relative to this entry.
Source CMS Hospital Compare, overall hospital rating · 2026-08-14
Adventist Health Ukiah Valley vs. California and the nation
- Adventist Health Ukiah Valley
Adventist Health Ukiah Valley
4 stars
- California avg
California state average
3.1 stars
- US avg
National average
3.2 stars
What this shows At 4 stars, Adventist Health Ukiah Valley rates above the California average of 3.1 and above the national average of 3.2.
Type
Acute Care Hospitals
Ownership
Voluntary non-profit - Private
Emergency Services
Yes
Birthing Friendly
Yes
Patient Experience
17
HCAHPS domains
Infection Types
6
CDC NHSN
CMS Overall Star Rating 80.0%
4 of 5 stars
Better-than-national profile for Adventist Health Ukiah Valley
Mortality 5 measures
Safety of care 4 measures
Readmission 8 measures
Better than national Same as national Worse than national
Quality Measures
| Measure | Score | vs. National |
|---|---|---|
| Abdominopelvic accidental puncture or laceration rate | 0.92 | Same as National |
| CMS Medicare PSI 90: Patient safety and adverse events composite | 0.92 | Same as National |
| Death rate among surgical inpatients with serious treatable complications | N/A | Number of Cases Too Small |
| Death rate for CABG surgery patients | N/A | Not Available |
| Death rate for COPD patients | 9 | Same as National |
| Death rate for heart attack patients | N/A | Number of Cases Too Small |
| Death rate for heart failure patients | 9.4 | Same as National |
| Death rate for pneumonia patients | 15.1 | Same as National |
| Death rate for stroke patients | 11.9 | Same as National |
| Hybrid Hospital-Wide All-Cause Risk Standardized Mortality Rate | 3.6 | Same as National |
| Iatrogenic pneumothorax rate | 0.19 | Same as National |
| In-hospital fall-associated fracture rate | 0.29 | Same as National |
| Perioperative pulmonary embolism or deep vein thrombosis rate | 4.64 | Same as National |
| Postoperative acute kidney injury requiring dialysis rate | 1.54 | Same as National |
| Postoperative hemorrhage or hematoma rate | 2.45 | Same as National |
Patient Experience (HCAHPS)
Experience profile vs. the national average
Source: CMS Hospital Compare, HCAHPS patient survey star ratings.
| Survey Question | Star Rating |
|---|---|
| Cleanliness - linear mean score | N/A |
| Cleanliness - star rating | 4 |
| Communication about medicines - linear mean score | N/A |
| Communication about medicines - star rating | 3 |
| Discharge information - linear mean score | N/A |
| Discharge information - star rating | 4 |
| Doctor communication - linear mean score | N/A |
| Doctor communication - star rating | 3 |
| Nurse communication - linear mean score | N/A |
| Nurse communication - star rating | 3 |
| Overall hospital rating - linear mean score | N/A |
| Overall hospital rating - star rating | 3 |
| Quietness - linear mean score | N/A |
| Quietness - star rating | 1 |
| Recommend hospital - linear mean score | N/A |
| Recommend hospital - star rating | 3 |
| Summary star rating | 3 |
Safety & Infections
| Measure | Score | vs. National |
|---|---|---|
| Catheter Associated Urinary Tract Infections (ICU + select Wards) | 0.787 | Same as National |
| Central Line Associated Bloodstream Infection (ICU + select Wards) | 2.924 | Same as National |
| Clostridium Difficile (C.Diff) | 0.801 | Same as National |
| MRSA Bacteremia | N/A | Not Available |
| SSI - Abdominal Hysterectomy | N/A | Not Available |
| SSI - Colon Surgery | 1.404 | Same as National |
Staffing & Spending
Unplanned Visits & Readmissions
| Measure | Score | vs. National |
|---|---|---|
| Acute Myocardial Infarction (AMI) 30-Day Readmission Rate | N/A | Number of Cases Too Small |
| Heart failure (HF) 30-Day Readmission Rate | 19.9 | Same as National |
| Hospital return days for heart attack patients | N/A | Number of Cases Too Small |
| Hospital return days for heart failure patients | -8 | Average Days per 100 Discharges |
| Hospital return days for pneumonia patients | 4.2 | Average Days per 100 Discharges |
| Hybrid Hospital-Wide All-Cause Readmission Measure (HWR) | 14.4 | Same as National |
| Pneumonia (PN) 30-Day Readmission Rate | 15.8 | Same as National |
| Rate of emergency department (ED) visits for patients receiving outpatient chemotherapy | 7.9 | Worse than National |
| Rate of inpatient admissions for patients receiving outpatient chemotherapy | 10.4 | Same as National |
| Rate of readmission after hip/knee replacement | N/A | Number of Cases Too Small |
| Rate of readmission for CABG | N/A | Not Available |
| Rate of readmission for chronic obstructive pulmonary disease (COPD) patients | 18 | Same as National |
| Rate of unplanned hospital visits after colonoscopy (per 1,000 colonoscopies) | 13.5 | Same as National |
| Ratio of unplanned hospital visits after hospital outpatient surgery | 1.1 | Same as National |
Medicare Spending
| Measure | Score |
|---|---|
| Medicare hospital spending per patient (Medicare Spending per Beneficiary) | 0.95 (Below average) |
Maternal Health
CMS maternal-care measures reported for this facility. The Hospital Compare maternal extract lists measure names and reporting windows; it does not publish numeric scores or sample sizes in the corpus we ingest, so those columns are omitted rather than filled with N/A.
| Measure |
|---|
| Cesarean Birth |
| Maternal Morbidity Structural Measure |
| Risk Adjusted Severe Obstetric Complications (All) |
| Risk Adjusted Severe Obstetric Complications (excluding blood-transfusion-only cases) |
Nationwide hospitals with similar CMS profiles
Peer sets for Adventist Health Ukiah Valley outside California, keyed to the sparse better-than-national share.
Similar CMS star rating
Nearest overall stars outside CA (4/5 here).
Similar mortality outcomes
Nearest mortality measures rated better than national, outside CA (0 better here).
Nearby Hospitals in California
Other Medicare-certified hospitals in California.
One of 377 Medicare-certified hospitals in California, 6 are shown here.
60th Medical Group (Travis AFB)
Travis AFB, CA
No rating Acute Care - Department of Defense
Adventist Health and Rideout
Marysville, CA
2/5
Acute Care Hospitals
Adventist Health Bakersfield
Bakersfield, CA
2/5
Acute Care Hospitals
Adventist Health Clearlake
Clearlake, CA
2/5
Critical Access Hospitals
Adventist Health Delano
Delano, CA
2/5
Acute Care Hospitals
Adventist Health Hanford
Hanford, CA
3/5
Acute Care Hospitals
Compare Adventist Health Ukiah Valley vs 60th Medical Group (Travis AFB) →
What to do with Adventist Health Ukiah Valley
Use this page's CMS-sourced figures as a starting filter, not a final verdict.
- See how every California hospital compares on star rating and the same quality measures. California hospitals
- Compare Adventist Health Ukiah Valley directly against another hospital, measure by measure. Compare hospitals
- Check whether a device used in your care has a reported FDA adverse-event history. Search devices
CMS Hospital Compare figures are informational only, not medical advice; always consult your care team.
Frequently Asked Questions
How does Adventist Health Ukiah Valley compare to other hospitals on CMS star rating?
According to PlainHospital's CMS star-rating ranking, Adventist Health Ukiah Valley ranks #407 of 3182 rated US hospitals by overall star rating (highest = #1). That ordinal matches our top-rated hospital listing (star_rating DESC). See /methodology#corpus-placement.
What is the CMS star rating for Adventist Health Ukiah Valley?
Adventist Health Ukiah Valley has an overall CMS star rating of 4 out of 5 (mid-band), above the 3.2-star national average.
How does Adventist Health Ukiah Valley perform on quality measures?
0 of 17 compared mortality, safety, and readmission measures rate better than the national average at Adventist Health Ukiah Valley (sparse better-share tercile); 0 rate worse (quiet).
What do patients say about Adventist Health Ukiah Valley?
Adventist Health Ukiah Valley reports 17 HCAHPS patient-experience domain scores. Star ratings range from 1 to 4 out of 5.
What are the infection rates at Adventist Health Ukiah Valley?
Adventist Health Ukiah Valley tracks 6 healthcare-associated infection types (CDC NHSN). 0 are better than the national benchmark, 0 are worse, and 4 are at the national average.
Does Adventist Health Ukiah Valley have emergency services?
Yes, Adventist Health Ukiah Valley provides emergency services.
What type of hospital is Adventist Health Ukiah Valley?
Adventist Health Ukiah Valley is a Acute Care Hospitals facility with Voluntary non-profit - Private ownership, located in Ukiah, CA. This facility has received the CMS Birthing-Friendly designation.
How much does Medicare spend at Adventist Health Ukiah Valley?
1 Medicare spending category is on file for Adventist Health Ukiah Valley, per episode vs. the national median.
Does Adventist Health Ukiah Valley offer maternal health services?
Yes, Adventist Health Ukiah Valley reports 4 maternal health measures. This facility has been designated as Birthing-Friendly by CMS.