Hospital rankings
Hospitals in California with the smallest Medicare readmissions penalties
271 California hospitals ranked by readmissions penalty in the 2026 Medicare (CMS) data. Leading: Alta Bates Summit Medical Center, Goleta Valley Cottage Hospital, Hoag Memorial Hospital Presbyterian. Filter by type, ownership and size, choose the measures you care about, and sort by any column.
| # | Hospital | Readmissions penaltyhigher is better | Net Medicare quality adjustmenthigher is better | Hospital-acquired condition scorelower is better | Value-based purchasing scorehigher is better | Value-based purchasing adjustmenthigher is better | Compare |
|---|---|---|---|---|---|---|---|
| National average | −0.34% | −0.48% | 0.00 | 31 | +0.13% | ||
| T1 | Alta Bates Summit Medical Center | 0.00%, 89th percentile | +0.53%, 86th percentile | −0.81, 92nd percentile | 37, 73rd percentile | +0.53%, 73rd percentile | Compare Alta Bates Summit Medical Center |
| T1 | Goleta Valley Cottage Hospital | 0.00%, 89th percentile | +0.91%, 92nd percentile | −0.72, 88th percentile | 42, 84th percentile | +0.91%, 84th percentile | Compare Goleta Valley Cottage Hospital |
| T1 | Hoag Memorial Hospital Presbyterian | 0.00%, 89th percentile | +0.21%, 79th percentile | −0.24, 64th percentile | 32, 60th percentile | +0.21%, 60th percentile | Compare Hoag Memorial Hospital Presbyterian |
| T1 | Scripps Green Hospital | 0.00%, 89th percentile | +1.32%, 96th percentile | +0.39, 25th percentile | 63, 99th percentile | +2.32%, 99th percentile | Compare Scripps Green Hospital |
| T1 | Adventist Health Ukiah Valley | 0.00%, 89th percentile | +0.66%, 88th percentile | −0.53, 82nd percentile | 39, 77th percentile | +0.66%, 77th percentile | Compare Adventist Health Ukiah Valley |
| T1 | Alta Bates Summit Medical Center - Alta Bates Camp | 0.00%, 89th percentile | +0.05%, 75th percentile | −0.01, 48th percentile | 30, 51st percentile | +0.05%, 51st percentile | Compare Alta Bates Summit Medical Center - Alta Bates Camp |
| T1 | Kaiser Foundation Hospital | 0.00%, 89th percentile | +0.87%, 91st percentile | +0.34, 27th percentile | 42, 83rd percentile | +0.87%, 83rd percentile | Compare Kaiser Foundation Hospital |
| T1 | Kaiser Foundation Hospital - Downey | 0.00%, 89th percentile | +0.89%, 92nd percentile | +0.15, 39th percentile | 42, 83rd percentile | +0.89%, 83rd percentile | Compare Kaiser Foundation Hospital - Downey |
| T1 | Kaiser Foundation Hospital - Fremont | 0.00%, 89th percentile | +2.02%, 99th percentile | +0.38, 25th percentile | 58, 98th percentile | +2.02%, 98th percentile | Compare Kaiser Foundation Hospital - Fremont |
| T1 | Kaiser Foundation Hospital - Fresno | 0.00%, 89th percentile | +0.68%, 89th percentile | +0.47, 21st percentile | 53, 96th percentile | +1.68%, 96th percentile | Compare Kaiser Foundation Hospital - Fresno |
| T1 | Kaiser Foundation Hospital - Panorama City | 0.00%, 89th percentile | +0.27%, 81st percentile | −0.06, 51st percentile | 33, 63rd percentile | +0.27%, 63rd percentile | Compare Kaiser Foundation Hospital - Panorama City |
| T1 | Kaiser Foundation Hospital - Redwood City | 0.00%, 89th percentile | +1.73%, 98th percentile | −0.34, 70th percentile | 54, 96th percentile | +1.73%, 96th percentile | Compare Kaiser Foundation Hospital - Redwood City |
| T1 | Kaiser Foundation Hospital - Roseville | 0.00%, 89th percentile | +1.63%, 97th percentile | 0.00, 47th percentile | 53, 95th percentile | +1.63%, 95th percentile | Compare Kaiser Foundation Hospital - Roseville |
| T1 | Kaiser Foundation Hospital - Sacramento | 0.00%, 89th percentile | −0.59%, 43rd percentile | +0.26, 32nd percentile | 21, 18th percentile | −0.59%, 18th percentile | Compare Kaiser Foundation Hospital - Sacramento |
| T1 | Kaiser Foundation Hospital - San Diego | 0.00%, 89th percentile | +1.37%, 96th percentile | +0.43, 23rd percentile | 63, 99th percentile | +2.37%, 99th percentile | Compare Kaiser Foundation Hospital - San Diego |
| T1 | Kaiser Foundation Hospital - San Francisco | 0.00%, 89th percentile | +0.23%, 80th percentile | +0.44, 22nd percentile | 47, 90th percentile | +1.23%, 90th percentile | Compare Kaiser Foundation Hospital - San Francisco |
| T1 | Kaiser Foundation Hospital - San Marcos | 0.00%, 89th percentile | +0.71%, 89th percentile | +1.16, 4th percentile | 54, 96th percentile | +1.71%, 96th percentile | Compare Kaiser Foundation Hospital - San Marcos |
| T1 | Kaiser Foundation Hospital - South San Francisco | 0.00%, 89th percentile | +2.72%, 100th percentile | −0.46, 78th percentile | 68, 99th percentile | +2.72%, 99th percentile | Compare Kaiser Foundation Hospital - South San Francisco |
| T1 | Kaiser Foundation Hospital - Vacaville | 0.00%, 89th percentile | +1.30%, 96th percentile | +0.11, 40th percentile | 48, 92nd percentile | +1.30%, 92nd percentile | Compare Kaiser Foundation Hospital - Vacaville |
| T1 | Kaiser Foundation Hospital - Woodland Hills | 0.00%, 89th percentile | −1.01%, 28th percentile | +0.66, 14th percentile | 29, 48th percentile | −0.01%, 48th percentile | Compare Kaiser Foundation Hospital - Woodland Hills |
| T1 | Kaiser Foundation Hospital Manteca | 0.00%, 89th percentile | +0.41%, 84th percentile | −0.28, 67th percentile | 35, 69th percentile | +0.41%, 69th percentile | Compare Kaiser Foundation Hospital Manteca |
| T1 | Kaiser Foundation Hospital, Riverside | 0.00%, 89th percentile | +0.52%, 86th percentile | −0.02, 49th percentile | 37, 73rd percentile | +0.52%, 73rd percentile | Compare Kaiser Foundation Hospital, Riverside |
| T1 | Kaiser Foundation Hospital-Moreno Valley | 0.00%, 89th percentile | 0.00%, 70th percentile | −0.03, 49th percentile | — | — | Compare Kaiser Foundation Hospital-Moreno Valley |
| T1 | Loma Linda University Medical Center | 0.00%, 89th percentile | +0.10%, 76th percentile | −0.58, 84th percentile | 30, 54th percentile | +0.10%, 54th percentile | Compare Loma Linda University Medical Center |
| T1 | Marshall Medical Center | 0.00%, 89th percentile | +0.79%, 90th percentile | −0.22, 62nd percentile | 40, 81st percentile | +0.79%, 81st percentile | Compare Marshall Medical Center |
| T1 | Petaluma Valley Hospital | 0.00%, 89th percentile | −0.86%, 34th percentile | +0.44, 23rd percentile | 31, 56th percentile | +0.14%, 56th percentile | Compare Petaluma Valley Hospital |
| T1 | Providence Little Co Of Mary Medical Center San Pedro | 0.00%, 89th percentile | +0.88%, 92nd percentile | −0.48, 78th percentile | 42, 83rd percentile | +0.88%, 83rd percentile | Compare Providence Little Co Of Mary Medical Center San Pedro |
| T1 | Sharp Coronado Hospital And Healthcare Center | 0.00%, 89th percentile | +0.78%, 90th percentile | +0.49, 20th percentile | 55, 96th percentile | +1.78%, 96th percentile | Compare Sharp Coronado Hospital And Healthcare Center |
| T1 | St Elizabeth Community Hospital | 0.00%, 89th percentile | +1.72%, 98th percentile | −0.80, 91st percentile | 54, 96th percentile | +1.72%, 96th percentile | Compare St Elizabeth Community Hospital |
| T1 | Sutter Davis Hospital | 0.00%, 89th percentile | +1.21%, 95th percentile | −0.79, 91st percentile | 47, 90th percentile | +1.21%, 90th percentile | Compare Sutter Davis Hospital |
| T1 | Adventist Health Sonora | 0.00%, 89th percentile | −0.27%, 56th percentile | +0.68, 13th percentile | 40, 79th percentile | +0.73%, 79th percentile | Compare Adventist Health Sonora |
| T1 | California Pacific Medical Center-Davies Campus Hospital | 0.00%, 89th percentile | −1.52%, 15th percentile | +0.43, 23rd percentile | 21, 22nd percentile | −0.52%, 21st percentile | Compare California Pacific Medical Center-Davies Campus Hospital |
| T1 | Emanate Health Foothill Presbyterian Hospital | 0.00%, 89th percentile | −0.62%, 42nd percentile | +0.31, 29th percentile | 20, 16th percentile | −0.62%, 16th percentile | Compare Emanate Health Foothill Presbyterian Hospital |
| T1 | Foothill Regional Medical Center | 0.00%, 89th percentile | −0.14%, 61st percentile | −1.40, 99th percentile | 27, 41st percentile | −0.14%, 41st percentile | Compare Foothill Regional Medical Center |
| T1 | Kaiser Foundation Hospital - South Bay | 0.00%, 89th percentile | −1.06%, 26th percentile | +0.67, 13th percentile | 28, 46th percentile | −0.06%, 45th percentile | Compare Kaiser Foundation Hospital - South Bay |
| T1 | Kaiser Foundation Hospital - Walnut Creek | 0.00%, 89th percentile | +0.56%, 86th percentile | +0.30, 30th percentile | 37, 74th percentile | +0.56%, 74th percentile | Compare Kaiser Foundation Hospital - Walnut Creek |
| T1 | Kaiser Foundation Hospital-San Jose | 0.00%, 89th percentile | −0.37%, 52nd percentile | +0.39, 25th percentile | 38, 76th percentile | +0.63%, 76th percentile | Compare Kaiser Foundation Hospital-San Jose |
| T1 | Kaiser Foundation Hospital-Santa Rosa | 0.00%, 89th percentile | +0.77%, 90th percentile | +0.06, 43rd percentile | 40, 80th percentile | +0.77%, 80th percentile | Compare Kaiser Foundation Hospital-Santa Rosa |
| T1 | Lac/Rancho Los Amigos National Rehabilitation Center | 0.00%, 89th percentile | −0.62%, 42nd percentile | +1.11, 4th percentile | 35, 68th percentile | +0.38%, 68th percentile | Compare Lac/Rancho Los Amigos National Rehabilitation Center |
| T1 | San Gorgonio Memorial Hospital | 0.00%, 89th percentile | −1.06%, 26th percentile | +1.12, 4th percentile | 28, 46th percentile | −0.06%, 46th percentile | Compare San Gorgonio Memorial Hospital |
| T1 | Anaheim Global Medical Center | 0.00%, 89th percentile | −1.00%, 29th percentile | +0.63, 15th percentile | — | — | Compare Anaheim Global Medical Center |
| T1 | Arrowhead Regional Medical Center | 0.00%, 89th percentile | −0.67%, 40th percentile | −0.03, 49th percentile | 19, 14th percentile | −0.67%, 14th percentile | Compare Arrowhead Regional Medical Center |
| T1 | Redlands Community Hospital | 0.00%, 89th percentile | −1.58%, 14th percentile | +0.45, 22nd percentile | 21, 18th percentile | −0.58%, 18th percentile | Compare Redlands Community Hospital |
| T1 | Sutter Coast Hospital | 0.00%, 89th percentile | +0.22%, 79th percentile | −0.47, 78th percentile | 32, 60th percentile | +0.22%, 60th percentile | Compare Sutter Coast Hospital |
| T1 | Barstow Community Hospital | 0.00%, 89th percentile | −1.52%, 15th percentile | +1.21, 3rd percentile | 22, 22nd percentile | −0.52%, 22nd percentile | Compare Barstow Community Hospital |
| T1 | East Los Angeles Doctors Hospital | 0.00%, 89th percentile | −1.72%, 11th percentile | −0.75, 89th percentile | 4, 0th percentile | −1.72%, 0th percentile | Compare East Los Angeles Doctors Hospital |
| T1 | Kern Medical Center | 0.00%, 89th percentile | −0.86%, 34th percentile | −0.15, 57th percentile | 17, 7th percentile | −0.86%, 7th percentile | Compare Kern Medical Center |
| T1 | Adventist Health Reedley | 0.00%, 89th percentile | −1.00%, 29th percentile | +1.86, 1st percentile | — | — | Compare Adventist Health Reedley |
| T1 | Casa Colina Hospital | 0.00%, 89th percentile | −0.93%, 32nd percentile | +0.91, 8th percentile | 30, 52nd percentile | +0.07%, 52nd percentile | Compare Casa Colina Hospital |
| T1 | Docs Surgical Hospital | 0.00%, 89th percentile | 0.00%, 70th percentile | −0.52, 81st percentile | — | — | Compare Docs Surgical 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.
- Readmissions penalty
- Change to Medicare payments under the Hospital Readmissions Reduction Program, which cuts payments (by up to 3%) to hospitals with more readmissions than expected. 0% means no penalty..
- Net Medicare quality adjustment
- Approximate combined change to the hospital's Medicare inpatient payments from the three pay-for-performance programs, added together: the readmissions penalty, the value-based purchasing bonus or penalty, and the 1% cut for hospital-acquired conditions. Inpatient prospective payment system hospitals only; Maryland hospitals are exempt..
- Hospital-acquired condition score
- Total score in the Hospital-Acquired Condition Reduction Program, from patient safety events and infections (weighted z-scores; 0 is about average, higher is worse). Medicare cuts payments 1% for the worst-scoring quarter of hospitals..
- Value-based purchasing score
- Hospital Value-Based Purchasing Total Performance Score (0-100), from outcomes, safety, patient experience and efficiency. It sets a Medicare bonus or penalty..
- Value-based purchasing adjustment
- Change to Medicare payments under Hospital Value-Based Purchasing: a bonus (positive) or penalty (negative, up to 2%) based on the Total Performance Score..