Hospital rankings
Hospitals in Colorado with the lowest serious complications
52 Colorado 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 | Overall star ratinghigher is better | Patient survey star ratinghigher is better | Heart attack death ratelower is better | Heart failure death ratelower is better | Hospital-wide readmission ratelower is better · 2025 data | Time in emergency departmentlower is better | Medicare spending per patientlower is better | Total beds | Compare |
|---|---|---|---|---|---|---|---|---|---|---|---|
| National average | 1.00 | 3.3 | 11.9% | 11.1% | 15.0% | 162 min | 1.00 | ||||
| 51 | University Of Colorado Hospital Authority | 1.33, 6th percentile | 5, 94th percentile | 3, 39th percentile | 11.0%, 77th percentile | 7.9%, 95th percentile | 14.3%, 86th percentile | 102 min, 89th percentile | 0.96, 66th percentile | 858 | Compare University Of Colorado Hospital Authority |
| 52 | The Medical Center Of Aurora & South Hospital | 1.35, 5th percentile | 4, 73rd percentile | 2, 10th percentile | 10.1%, 95th percentile | 9.5%, 79th percentile | 13.5%, 98th percentile | 134 min, 62nd percentile | 1.01, 38th percentile | 281 | Compare The Medical Center Of Aurora & South 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).
- 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.
- 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).