Hospital rankings
Hospitals in California with the lowest serious complications
276 California hospitals ranked by serious complications in the 2026 Medicare (CMS) data. Filter by type, ownership and size, choose the measures you care about, and sort by any column.
| # | Hospital | Serious complicationslower is better | Central line bloodstream infectionslower is better | Catheter-associated urinary tract infectionslower is better | Surgical site infections (colon)lower is better | Surgical site infections (hysterectomy)lower is better | MRSA bloodstream infectionslower is better | C. diff infectionslower is better | Compare |
|---|---|---|---|---|---|---|---|---|---|
| National average | 1.00 | 1.00 | 1.00 | 1.00 | 1.00 | 1.00 | 1.00 | ||
| T251 | Pioneers Memorial Healthcare District | 1.15, 14th percentile | — | 2.27, 1st percentile | — | — | — | 0.28, 50th percentile | Compare Pioneers Memorial Healthcare District |
| T251 | UCI Health-Lakewood | 1.15, 14th percentile | 1.28, 9th percentile | 0.58, 33rd percentile | 1.26, 21st percentile | 0.00, 89th percentile | 0.50, 59th percentile | 0.10, 74th percentile | Compare UCI Health-Lakewood |
| T253 | Providence St. Joseph Hospital | 1.16, 13th percentile | 0.24, 71st percentile | 1.18, 8th percentile | 0.84, 41st percentile | 0.00, 89th percentile | 1.04, 19th percentile | 0.45, 28th percentile | Compare Providence St. Joseph Hospital |
| T253 | Emanate Health Foothill Presbyterian Hospital | 1.16, 13th percentile | 0.00, 90th percentile | 0.66, 27th percentile | 0.00, 91st percentile | — | — | 1.03, 5th percentile | Compare Emanate Health Foothill Presbyterian Hospital |
| T253 | Clovis Community Medical Center | 1.16, 13th percentile | 0.92, 19th percentile | 0.65, 27th percentile | 1.51, 14th percentile | — | 0.45, 64th percentile | 0.69, 13th percentile | Compare Clovis Community Medical Center |
| 256 | Kaiser Foundation Hospital - San Francisco | 1.17, 12th percentile | 0.45, 53rd percentile | 0.37, 53rd percentile | 2.46, 2nd percentile | 1.82, 18th percentile | 0.44, 65th percentile | 0.25, 55th percentile | Compare Kaiser Foundation Hospital - San Francisco |
| 257 | Natividad Medical Center | 1.18, 12th percentile | 0.00, 90th percentile | 0.46, 43rd percentile | — | — | 0.00, 91st percentile | 0.32, 45th percentile | Compare Natividad Medical Center |
| T258 | Sharp Memorial Hospital | 1.19, 11th percentile | 0.73, 29th percentile | 0.59, 32nd percentile | 0.49, 65th percentile | 0.35, 76th percentile | 1.16, 15th percentile | 0.50, 25th percentile | Compare Sharp Memorial Hospital |
| T258 | UCI Health - Los Alamitos | 1.19, 11th percentile | 1.75, 4th percentile | 0.87, 16th percentile | 0.85, 40th percentile | — | 1.73, 5th percentile | 0.35, 39th percentile | Compare UCI Health - Los Alamitos |
| 260 | Southwest Healthcare Rancho Springs Hospital | 1.20, 10th percentile | 0.77, 27th percentile | 0.86, 17th percentile | 0.66, 54th percentile | 0.00, 89th percentile | 0.59, 51st percentile | 0.36, 38th percentile | Compare Southwest Healthcare Rancho Springs Hospital |
| T261 | Adventist Health St Helena | 1.22, 9th percentile | 0.57, 43rd percentile | 0.00, 88th percentile | — | — | — | 0.36, 38th percentile | Compare Adventist Health St Helena |
| T261 | Grossmont Hospital | 1.22, 9th percentile | 0.41, 57th percentile | 0.42, 48th percentile | 0.20, 79th percentile | — | 0.77, 36th percentile | 0.40, 33rd percentile | Compare Grossmont Hospital |
| T261 | Sharp Coronado Hospital And Healthcare Center | 1.22, 9th percentile | — | 1.65, 3rd percentile | — | — | — | 0.42, 32nd percentile | Compare Sharp Coronado Hospital And Healthcare Center |
| T261 | Henry Mayo Newhall Hospital | 1.22, 9th percentile | 2.02, 2nd percentile | 0.41, 49th percentile | 1.09, 28th percentile | — | 1.07, 19th percentile | 0.21, 61st percentile | Compare Henry Mayo Newhall Hospital |
| 265 | Mercy Medical Center Redding | 1.23, 9th percentile | 0.20, 74th percentile | 0.25, 63rd percentile | 0.62, 56th percentile | — | 0.61, 49th percentile | 0.36, 38th percentile | Compare Mercy Medical Center Redding |
| 266 | VA N California Healthcare System | 1.24, 8th percentile | — | 1.24, 7th percentile | — | — | — | — | Compare VA N California Healthcare System |
| 267 | USC Arcadia Hospital | 1.27, 7th percentile | 1.33, 7th percentile | 0.65, 27th percentile | 1.15, 26th percentile | — | 0.69, 42nd percentile | 0.55, 21st percentile | Compare USC Arcadia Hospital |
| 268 | Barstow Community Hospital | 1.30, 6th percentile | — | — | — | — | — | 0.50, 24th percentile | Compare Barstow Community Hospital |
| T269 | Torrance Memorial Medical Center | 1.36, 5th percentile | 0.65, 36th percentile | 1.02, 11th percentile | 0.66, 54th percentile | 1.26, 33rd percentile | 0.75, 37th percentile | 0.33, 43rd percentile | Compare Torrance Memorial Medical Center |
| T269 | Doctors Medical Center | 1.36, 5th percentile | 0.48, 50th percentile | 0.28, 61st percentile | 0.18, 80th percentile | — | 0.58, 52nd percentile | 0.33, 43rd percentile | Compare Doctors Medical Center |
| 271 | Scripps Memorial Hospital La Jolla | 1.38, 4th percentile | 0.43, 54th percentile | 0.68, 26th percentile | 0.74, 47th percentile | 0.42, 74th percentile | 0.32, 73rd percentile | 0.29, 48th percentile | Compare Scripps Memorial Hospital La Jolla |
| 272 | Lac/Harbor-UCLA Medical Center | 1.40, 4th percentile | 1.46, 6th percentile | 1.14, 9th percentile | 1.09, 28th percentile | — | 0.31, 74th percentile | 0.42, 31st percentile | Compare Lac/Harbor-UCLA Medical Center |
| 273 | Mercy General Hospital | 1.43, 3rd percentile | 0.43, 55th percentile | 0.46, 44th percentile | 0.18, 80th percentile | 2.31, 10th percentile | 0.90, 27th percentile | 0.12, 72nd percentile | Compare Mercy General Hospital |
| T274 | Community Hospital Of The Monterey Peninsula | 1.48, 3rd percentile | 0.00, 90th percentile | 0.28, 61st percentile | 0.73, 49th percentile | — | 0.80, 33rd percentile | 0.39, 35th percentile | Compare Community Hospital Of The Monterey Peninsula |
| T274 | Adventist Health White Memorial Montebello | 1.48, 3rd percentile | — | — | — | — | — | — | Compare Adventist Health White Memorial Montebello |
| 276 | San Joaquin General Hospital | 1.49, 2nd percentile | 0.16, 76th percentile | 0.00, 88th percentile | 0.33, 74th percentile | — | 1.81, 4th percentile | 0.10, 75th percentile | Compare San Joaquin General Hospital |
About these rankings
Rankings use the 2026 release of CMS Care Compare data. Hospitals share a rank (“T”) when their values are equal, and only hospitals with a reported value for the sorted measure are ranked. Shading compares each value with every hospital in the country, so it doesn’t change with your filters. Small differences are often not statistically meaningful; use the methodology and glossary for context.
- Serious complications
- Patient safety and adverse events composite (PSI 90; 1.0 = national value).
- Central line bloodstream infections
- Central line-associated bloodstream infections (CLABSI) in ICUs and select wards (standardized infection ratio; 1.0 = national baseline).
- Catheter-associated urinary tract infections
- Catheter-associated urinary tract infections (CAUTI) in ICUs and select wards (standardized infection ratio; 1.0 = national baseline).
- Surgical site infections (colon)
- Surgical site infections from colon surgery (standardized infection ratio; 1.0 = national baseline).
- Surgical site infections (hysterectomy)
- Surgical site infections from abdominal hysterectomy (standardized infection ratio; 1.0 = national baseline).
- MRSA bloodstream infections
- Methicillin-resistant Staphylococcus aureus (MRSA) blood laboratory-identified events (standardized infection ratio; 1.0 = national baseline).
- C. diff infections
- Clostridium difficile (C. diff) intestinal infections (standardized infection ratio; 1.0 = national baseline).