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Hospitals in California with the best net Medicare quality adjustments

271 California hospitals ranked by net Medicare quality adjustment in the 2026 Medicare (CMS) data. Filter by type, ownership and size, choose the measures you care about, and sort by any column.

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271 hospitals ranked in California by net medicare quality adjustment; 106 more match but have no reported value.

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#HospitalNet Medicare quality adjustmenthigher is betterOverall star ratinghigher is betterPatient survey star ratinghigher is betterHeart attack death ratelower is betterHeart failure death ratelower is betterHospital-wide readmission ratelower is better · 2025 dataSerious complicationslower is betterTime in emergency departmentlower is betterMedicare spending per patientlower is betterTotal beds
National average−0.48%3.311.9%11.1%15.0%1.00162 min1.00
151Marian Regional Medical CenterSanta Maria, CA · Acute care−0.61%3315.9%10.7%13.7%0.67175 min0.94227Compare
152Providence Mission HospitalMission Viejo, CA · Acute care−0.61%5310.2%8.8%14.0%0.92234 min1.00565Compare
153Lac/Rancho Los Amigos National Rehabilitation CenterDowney, CA · Acute care−0.62%33——14.9%0.92—1.03395Compare
154Emanate Health Foothill Presbyterian HospitalGlendora, CA · Acute care−0.62%3211.3%10.8%15.2%1.16160 min1.16106Compare
155Providence St. Jude Medical CenterFullerton, CA · Acute care−0.64%4311.1%10.5%14.1%0.79263 min1.06301Compare
156NorthBay Medical CenterFairfield, CA · Acute care−0.65%2213.0%10.4%15.5%1.04176 min0.94123Compare
157Grossmont HospitalLa Mesa, CA · Acute care−0.65%4311.5%10.2%14.6%1.22196 min1.08536Compare
158Whittier Hospital Medical CenterWhittier, CA · Acute care−0.66%42—8.9%15.4%0.88103 min1.34178Compare
159Arrowhead Regional Medical CenterColton, CA · Acute care−0.67%2312.2%8.9%16.2%0.88204 min1.02456Compare
160Menifee Global Medical CenterSun City, CA · Acute care−0.67%—1——16.2%0.97176 min1.1384Compare
161Kaiser Foundation Hospital - AntiochAntioch, CA · Acute care−0.67%13—12.5%15.5%1.14—0.97150Compare
162Mercy Medical Center ReddingRedding, CA · Acute care−0.69%2312.4%12.4%13.5%1.23194 min1.03267Compare
163Temecula Valley HospitalTemecula, CA · Acute care−0.69%4312.8%10.6%15.3%0.95215 min1.04140Compare
164Hemet Global Medical CenterHemet, CA · Acute care−0.70%11—9.0%14.6%0.87213 min1.09433Compare
165Providence Holy Cross Medical CenterMission Hills, CA · Acute care−0.70%4311.1%7.7%15.2%0.93154 min1.01257Compare
166MemorialCare Orange Coast Medical CenterFountain Valley, CA · Acute care−0.71%4313.0%8.7%14.8%1.03154 min1.05210Compare
167Centinela Hospital Medical CenterInglewood, CA · Acute care−0.74%219.6%6.0%17.3%0.82188 min1.09346Compare
168Saint Francis Medical CenterLynwood, CA · Acute care−0.76%3212.3%8.0%14.9%0.82238 min1.11448Compare
169Pomona Valley Hospital Medical CenterPomona, CA · Acute care−0.77%3210.5%7.2%14.7%0.64206 min0.99447Compare
170Corona Regional Medical CenterCorona, CA · Acute care−0.78%3210.1%12.1%14.8%0.81218 min1.04240Compare
171UCI Health-LakewoodLakewood, CA · Acute care−0.78%2111.5%10.8%15.6%1.15222 min1.16—Compare
172John F Kennedy Memorial HospitalIndio, CA · Acute care−0.78%2212.8%14.0%15.9%0.91144 min0.97156Compare
173PIH Health Good Samaritan HospitalLos Angeles, CA · Acute care−0.78%2212.5%9.3%15.9%1.13230 min1.18408Compare
174Mercy San Juan Medical CenterCarmichael, CA · Acute care−0.81%3314.6%12.9%14.8%0.77197 min0.99370Compare
175AHMC Seton Medical CenterDaly City, CA · Acute care−0.84%1313.4%12.5%15.8%0.91210 min1.01191Compare
176Riverside Community HospitalRiverside, CA · Acute care−0.84%2211.7%8.1%16.7%0.98189 min1.12517Compare
177Desert Valley HospitalVictorville, CA · Acute care−0.85%3210.2%8.1%15.8%0.84167 min0.93148Compare
178Alameda HospitalAlameda, CA · Acute care−0.86%43—10.3%14.8%0.89153 min0.96145Compare
179Kern Medical CenterBakersfield, CA · Acute care−0.86%12—11.5%15.3%1.01306 min0.98222Compare
180Petaluma Valley HospitalPetaluma, CA · Acute care−0.86%43—11.6%14.5%0.89170 min0.9799Compare
181Parkview Community Hospital Medical CenterRiverside, CA · Acute care−0.89%33—11.4%15.2%0.94172 min1.43193Compare
182Adventist Health BakersfieldBakersfield, CA · Acute care−0.90%2311.7%14.1%15.4%0.82268 min1.09255Compare
183Emanuel Medical CenterTurlock, CA · Acute care−0.90%2211.9%12.0%15.4%0.86190 min0.95354Compare
184California Hospital Medical Center LaLos Angeles, CA · Acute care−0.93%22—10.2%15.4%1.06254 min1.05309Compare
185Casa Colina HospitalPomona, CA · Acute care−0.93%————15.0%0.89—1.1199Compare
186Enloe HealthChico, CA · Acute care−0.95%3312.4%11.2%15.4%0.99188 min0.99298Compare
187Sonoma Valley HospitalSonoma, CA · Acute care−1.00%24—11.0%15.0%1.11119 min1.0183Compare
T188Anaheim Global Medical CenterAnaheim, CA · Acute care−1.00%2———14.7%0.97157 min1.24189Compare
T188Adventist Health ReedleyReedley, CA · Acute care−1.00%—3——14.7%—144 min1.0649Compare
T188Hoag Orthopedic InstituteIrvine, CA · Acute care−1.00%—4——12.8%0.94—0.8870Compare
T188Pacifica Hospital Of The ValleySun Valley, CA · Acute care−1.00%————15.3%0.96227 min1.31242Compare
192St Bernardine Medical CenterSan Bernardino, CA · Acute care−1.00%2212.4%9.8%15.7%1.03176 min1.05291Compare
193Kaiser Foundation Hospital - Woodland HillsWoodland Hills, CA · Acute care−1.01%43——14.9%1.00—0.99218Compare
194El Centro Regional Medical CenterEl Centro, CA · Acute care−1.02%1211.8%12.1%15.3%0.89279 min0.97161Compare
195Palomar Health Downtown CampusEscondido, CA · Acute care−1.04%3213.1%11.4%14.0%0.94231 min1.12679Compare
196Dominican HospitalSanta Cruz, CA · Acute care−1.05%4412.0%10.5%14.2%1.14183 min1.00222Compare
197UCI Health - Fountain ValleyFountain Valley, CA · Acute care−1.06%2—11.7%8.3%15.7%0.88158 min1.11—Compare
198San Gorgonio Memorial HospitalBanning, CA · Acute care−1.06%33—11.4%14.6%0.96194 min1.0779Compare
199Kaiser Foundation Hospital - South BayHarbor City, CA · Acute care−1.06%33——15.3%0.89—0.99251Compare
200Kaweah Health Medical CenterVisalia, CA · Acute care−1.06%3312.3%14.8%14.4%0.81254 min1.02480Compare

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.

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..
Overall star rating
CMS overall hospital quality star rating (1-5).
Patient survey star rating
HCAHPS summary star rating (1-5).
Heart attack death rate
30-day death rate for heart attack patients.
Heart failure death rate
30-day death rate for heart failure patients.
Hospital-wide readmission rate
Rate of unplanned readmission within 30 days, all conditions. From 2025 CMS reports the Hybrid Hospital-Wide Readmission measure (claims plus EHR data), which replaced the claims-only measure; values are close but not strictly comparable across the change. CMS suppressed it for 2026.. Latest available: 2025 release.
Serious complications
Patient safety and adverse events composite (PSI 90; 1.0 = national value).
Time in emergency department
Median time patients spent in the emergency department before leaving.
Medicare spending per patient
Medicare spending per beneficiary episode relative to the national median (1.0 = national median).
Total beds
Total beds reported to CMS (Provider of Services file).