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 | ||
| T47 | PIH Health Downey Hospital | 0.86, 83rd percentile | 1.20, 10th percentile | 0.00, 88th percentile | 0.00, 91st percentile | — | 0.00, 91st percentile | 0.16, 68th percentile | Compare PIH Health Downey Hospital |
| T47 | Saint John's Health Center | 0.86, 83rd percentile | 0.60, 39th percentile | 0.63, 29th percentile | 0.00, 91st percentile | — | 1.27, 12th percentile | 1.07, 5th percentile | Compare Saint John's Health Center |
| T47 | Hollywood Presbyterian Medical Center | 0.86, 83rd percentile | 0.36, 61st percentile | 0.00, 88th percentile | 0.00, 91st percentile | — | 0.17, 80th percentile | 0.02, 80th percentile | Compare Hollywood Presbyterian Medical Center |
| T47 | Palmdale Regional Medical Center | 0.86, 83rd percentile | 0.00, 90th percentile | 0.35, 55th percentile | 0.00, 91st percentile | — | 0.35, 71st percentile | 0.16, 68th percentile | Compare Palmdale Regional Medical Center |
| T47 | Southern California Hospital At Hollywood | 0.86, 83rd percentile | — | 0.00, 88th percentile | — | — | — | 0.00, 90th percentile | Compare Southern California Hospital At Hollywood |
| T47 | Emanuel Medical Center | 0.86, 83rd percentile | — | 0.91, 15th percentile | 1.00, 31st percentile | — | 0.84, 31st percentile | 0.23, 58th percentile | Compare Emanuel Medical Center |
| T47 | Garden Grove Hospital & Medical Center | 0.86, 83rd percentile | 1.95, 3rd percentile | — | — | — | — | 0.12, 72nd percentile | Compare Garden Grove Hospital & Medical Center |
| T47 | Kaiser Foundation Hospital South Sacramento | 0.86, 83rd percentile | 0.72, 30th percentile | 0.52, 38th percentile | 1.49, 14th percentile | — | 1.21, 13th percentile | 0.40, 33rd percentile | Compare Kaiser Foundation Hospital South Sacramento |
| T47 | Memorial Hospital Of Gardena | 0.86, 83rd percentile | 0.00, 90th percentile | 0.00, 88th percentile | — | — | 2.35, 1st percentile | 0.21, 60th percentile | Compare Memorial Hospital Of Gardena |
| T47 | Valley Presbyterian Hospital | 0.86, 83rd percentile | 1.06, 14th percentile | 0.57, 34th percentile | 0.94, 34th percentile | — | 0.87, 29th percentile | 0.05, 79th percentile | Compare Valley Presbyterian Hospital |
| T61 | Alta Bates Summit Medical Center - Alta Bates Camp | 0.87, 81st percentile | 0.48, 50th percentile | 0.21, 67th percentile | 0.00, 91st percentile | — | 0.79, 35th percentile | 0.30, 47th percentile | Compare Alta Bates Summit Medical Center - Alta Bates Camp |
| T61 | California Pacific Medical Center - Mission Bernal | 0.87, 81st percentile | 0.00, 90th percentile | 0.60, 31st percentile | 0.00, 91st percentile | — | 1.62, 6th percentile | 0.32, 44th percentile | Compare California Pacific Medical Center - Mission Bernal |
| T61 | Adventist Health Sonora | 0.87, 81st percentile | — | 0.61, 30th percentile | — | — | — | 0.18, 64th percentile | Compare Adventist Health Sonora |
| T61 | La Palma Intercommunity Hospital | 0.87, 81st percentile | — | 0.00, 88th percentile | — | — | — | 0.15, 69th percentile | Compare La Palma Intercommunity Hospital |
| T61 | Paradise Valley Hospital | 0.87, 81st percentile | — | 0.00, 88th percentile | — | — | 0.00, 91st percentile | 0.13, 71st percentile | Compare Paradise Valley Hospital |
| T61 | San Dimas Community Hospital | 0.87, 81st percentile | 0.00, 90th percentile | 0.00, 88th percentile | — | — | — | 1.10, 4th percentile | Compare San Dimas Community Hospital |
| T61 | Hemet Global Medical Center | 0.87, 81st percentile | 0.23, 71st percentile | 0.00, 88th percentile | — | — | 0.44, 64th percentile | 0.32, 44th percentile | Compare Hemet Global Medical Center |
| T68 | Alta Bates Summit Medical Center | 0.88, 78th percentile | 0.27, 68th percentile | 0.72, 24th percentile | 0.72, 50th percentile | — | 1.43, 9th percentile | 0.23, 58th percentile | Compare Alta Bates Summit Medical Center |
| T68 | Chino Valley Medical Center | 0.88, 78th percentile | 0.00, 90th percentile | 0.00, 88th percentile | — | — | — | 0.26, 53rd percentile | Compare Chino Valley Medical Center |
| T68 | Kaiser Foundation Hospital - Orange County - Anaheim | 0.88, 78th percentile | 0.55, 44th percentile | 0.65, 28th percentile | 1.41, 17th percentile | — | 0.68, 43rd percentile | 0.46, 27th percentile | Compare Kaiser Foundation Hospital - Orange County - Anaheim |
| T68 | San Francisco VA Medical Center | 0.88, 78th percentile | 0.67, 34th percentile | 0.89, 15th percentile | — | — | — | — | Compare San Francisco VA Medical Center |
| T68 | Sutter Davis Hospital | 0.88, 78th percentile | — | — | — | — | — | 0.35, 39th percentile | Compare Sutter Davis Hospital |
| T68 | Whittier Hospital Medical Center | 0.88, 78th percentile | — | 0.57, 34th percentile | — | — | — | 0.27, 52nd percentile | Compare Whittier Hospital Medical Center |
| T68 | Bakersfield Memorial Hospital | 0.88, 78th percentile | 0.34, 62nd percentile | 0.10, 74th percentile | 0.39, 71st percentile | 0.00, 89th percentile | 0.71, 40th percentile | 0.11, 74th percentile | Compare Bakersfield Memorial Hospital |
| T68 | Barton Memorial Hospital | 0.88, 78th percentile | — | — | — | — | — | 0.00, 90th percentile | Compare Barton Memorial Hospital |
| T68 | Sutter Delta Medical Center | 0.88, 78th percentile | 0.00, 90th percentile | 0.00, 88th percentile | 0.96, 33rd percentile | — | — | 0.17, 66th percentile | Compare Sutter Delta Medical Center |
| T68 | Arrowhead Regional Medical Center | 0.88, 78th percentile | 0.73, 30th percentile | 0.86, 17th percentile | 0.24, 78th percentile | — | 0.79, 34th percentile | 0.35, 39th percentile | Compare Arrowhead Regional Medical Center |
| T68 | UCI Health - Fountain Valley | 0.88, 78th percentile | 1.24, 9th percentile | 0.40, 50th percentile | 1.25, 22nd percentile | 0.00, 89th percentile | 1.01, 20th percentile | 0.49, 26th percentile | Compare UCI Health - Fountain Valley |
| T68 | Watsonville Community Hospital | 0.88, 78th percentile | — | — | — | — | — | 0.35, 39th percentile | Compare Watsonville Community Hospital |
| T80 | Alameda Hospital | 0.89, 75th percentile | — | — | — | — | — | 0.00, 90th percentile | Compare Alameda Hospital |
| T80 | Cedar-Sinai Marina Del Rey Hospital | 0.89, 75th percentile | 0.00, 90th percentile | 0.00, 88th percentile | 0.00, 91st percentile | — | — | 0.33, 43rd percentile | Compare Cedar-Sinai Marina Del Rey Hospital |
| T80 | Petaluma Valley Hospital | 0.89, 75th percentile | — | — | — | — | — | 0.31, 46th percentile | Compare Petaluma Valley Hospital |
| T80 | Providence Little Co Of Mary Medical Center San Pedro | 0.89, 75th percentile | — | — | — | — | — | 0.69, 13th percentile | Compare Providence Little Co Of Mary Medical Center San Pedro |
| T80 | Kaiser Foundation Hospital - South Bay | 0.89, 75th percentile | 1.08, 13th percentile | 0.75, 22nd percentile | 0.82, 43rd percentile | — | 0.59, 51st percentile | 0.33, 43rd percentile | Compare Kaiser Foundation Hospital - South Bay |
| T80 | Kaiser Foundation Hospital-San Jose | 0.89, 75th percentile | 0.84, 23rd percentile | 1.00, 12th percentile | 0.61, 57th percentile | — | 0.88, 28th percentile | 0.26, 53rd percentile | Compare Kaiser Foundation Hospital-San Jose |
| T80 | Dameron Hospital | 0.89, 75th percentile | 0.68, 33rd percentile | 0.00, 88th percentile | — | — | 18.37, 0th percentile | 0.00, 90th percentile | Compare Dameron Hospital |
| T80 | El Centro Regional Medical Center | 0.89, 75th percentile | 2.85, 1st percentile | 2.30, 1st percentile | — | — | — | 2.46, 0th percentile | Compare El Centro Regional Medical Center |
| T80 | Casa Colina Hospital | 0.89, 75th percentile | — | — | — | — | — | — | Compare Casa Colina Hospital |
| T89 | Providence Little Company Of Mary Medical Center Torrance | 0.90, 73rd percentile | 0.89, 20th percentile | 0.00, 88th percentile | 0.36, 72nd percentile | — | 0.23, 79th percentile | 0.47, 27th percentile | Compare Providence Little Company Of Mary Medical Center Torrance |
| T89 | Sutter Roseville Medical Center | 0.90, 73rd percentile | 0.26, 69th percentile | 0.07, 75th percentile | 0.41, 69th percentile | — | 0.36, 70th percentile | 0.13, 71st percentile | Compare Sutter Roseville Medical Center |
| T89 | AHMC Anaheim Regional Medical Center | 0.90, 73rd percentile | 0.00, 90th percentile | 0.40, 50th percentile | — | — | 0.75, 37th percentile | 0.09, 75th percentile | Compare AHMC Anaheim Regional Medical Center |
| T89 | Ronald Reagan UCLA Medical Center | 0.90, 73rd percentile | 0.61, 39th percentile | 0.59, 32nd percentile | 0.63, 56th percentile | 0.00, 89th percentile | 0.56, 54th percentile | 0.50, 24th percentile | Compare Ronald Reagan UCLA Medical Center |
| T89 | St Elizabeth Community Hospital | 0.90, 73rd percentile | — | — | — | — | — | 0.46, 28th percentile | Compare St Elizabeth Community Hospital |
| T89 | UCI Health-Orange | 0.90, 73rd percentile | 0.56, 43rd percentile | 0.42, 47th percentile | 0.45, 67th percentile | 0.55, 69th percentile | 0.36, 71st percentile | 0.55, 21st percentile | Compare UCI Health-Orange |
| T89 | USC Verdugo Hills Hospital | 0.90, 73rd percentile | 1.73, 4th percentile | 0.26, 62nd percentile | — | — | — | 0.19, 63rd percentile | Compare USC Verdugo Hills Hospital |
| T89 | Montclair Hospital Medical Center | 0.90, 73rd percentile | 1.04, 14th percentile | 0.00, 88th percentile | — | — | — | 0.26, 52nd percentile | Compare Montclair Hospital Medical Center |
| T89 | Adventist Health And Rideout | 0.90, 73rd percentile | 0.25, 70th percentile | 0.18, 69th percentile | 0.45, 67th percentile | — | 1.64, 6th percentile | 0.28, 50th percentile | Compare Adventist Health And Rideout |
| T89 | Shasta Regional Medical Center | 0.90, 73rd percentile | 0.00, 90th percentile | 0.31, 59th percentile | 0.00, 91st percentile | — | 0.00, 91st percentile | — | Compare Shasta Regional Medical Center |
| T89 | Coast Plaza Hospital | 0.90, 73rd percentile | 0.00, 90th percentile | 0.57, 34th percentile | — | — | — | 0.30, 47th percentile | Compare Coast Plaza Hospital |
| T89 | Huntington Beach Hospital | 0.90, 73rd percentile | — | — | — | — | — | 1.63, 2nd percentile | Compare Huntington Beach 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).