Hospital rankings
Hospitals in California with the lowest left ED without being seen
259 California hospitals ranked by left ED without being seen in the 2026 Medicare (CMS) data. Filter by type, ownership and size, choose the measures you care about, and sort by any column.
| # | Hospital | Left ED without being seenlower is better | Time in emergency departmentlower is better | Appropriate sepsis carehigher is better | Health care workers vaccinated for fluhigher is better | Compare |
|---|---|---|---|---|---|---|
| National average | 2.0% | 162 min | 65.0% | 78.0% | ||
| T246 | Highland Hospital | 6.0%, 3rd percentile | 182 min, 28th percentile | 62.0%, 42nd percentile | 79.0%, 49th percentile | Compare Highland Hospital |
| T246 | Mad River Community Hospital | 6.0%, 3rd percentile | 122 min, 72nd percentile | 56.0%, 28th percentile | 35.0%, 5th percentile | Compare Mad River Community Hospital |
| T253 | Zuckerberg San Francisco General Hospital & Trauma Center | 7.0%, 2nd percentile | 300 min, 1st percentile | 44.0%, 11th percentile | 79.0%, 49th percentile | Compare Zuckerberg San Francisco General Hospital & Trauma Center |
| T253 | Huntington Beach Hospital | 7.0%, 2nd percentile | 158 min, 43rd percentile | 64.0%, 47th percentile | 86.0%, 63rd percentile | Compare Huntington Beach Hospital |
| T255 | Cedars-Sinai Medical Center | 9.0%, 1st percentile | 355 min, 0th percentile | 64.0%, 47th percentile | 96.0%, 92nd percentile | Compare Cedars-Sinai Medical Center |
| T255 | College Medical Center | 9.0%, 1st percentile | 322 min, 1st percentile | 82.0%, 88th percentile | 60.0%, 22nd percentile | Compare College Medical Center |
| 257 | Ridgecrest Regional Hospital | 10.0%, 0th percentile | 195 min, 21st percentile | — | — | Compare Ridgecrest Regional Hospital |
| 258 | Kern Medical Center | 11.0%, 0th percentile | 306 min, 1st percentile | 37.0%, 6th percentile | 66.0%, 30th percentile | Compare Kern Medical Center |
| 259 | Oroville Hospital | 13.0%, 0th percentile | 243 min, 6th percentile | 71.0%, 64th percentile | 46.0%, 11th percentile | Compare Oroville 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.
- Left ED without being seen
- Percentage of patients who left the emergency department before being seen.
- Time in emergency department
- Median time patients spent in the emergency department before leaving.
- Appropriate sepsis care
- Percentage of patients who received appropriate care for severe sepsis and septic shock.
- Health care workers vaccinated for flu
- Percentage of health care workers given influenza vaccination.