Hospital rankings
Hospitals in South Dakota with the lowest heart attack death rate
6 South Dakota hospitals ranked by heart attack death rate in the 2026 Medicare (CMS) data. Leading: Avera Heart Hospital Of South Dakota, Sanford USDMedical Center, Avera St Lukes. Filter by type, ownership and size, choose the measures you care about, and sort by any column.
| # | Hospital | Heart attack death ratelower is better | Heart failure death ratelower is better | Pneumonia death ratelower is better | COPD death ratelower is better | CABG surgery death ratelower is better | Stroke death ratelower is better | Hospital-wide readmission ratelower is better · 2025 data | Compare |
|---|---|---|---|---|---|---|---|---|---|
| National average | 11.9% | 11.1% | 15.2% | 8.6% | 2.4% | 11.9% | 15.0% | ||
| T1 | Avera Heart Hospital Of South Dakota | 10.9%, 80th percentile | 10.6%, 58th percentile | — | — | 3.2%, 14th percentile | — | 13.8%, 96th percentile | Compare Avera Heart Hospital Of South Dakota |
| T1 | Sanford USDMedical Center | 10.9%, 80th percentile | 11.2%, 46th percentile | 13.2%, 80th percentile | 9.8%, 18th percentile | 2.6%, 33rd percentile | 10.6%, 69th percentile | 14.5%, 79th percentile | Compare Sanford USDMedical Center |
| 3 | Avera St Lukes | 11.7%, 54th percentile | 11.0%, 50th percentile | 15.3%, 48th percentile | 8.2%, 58th percentile | — | 12.0%, 44th percentile | 15.2%, 34th percentile | Compare Avera St Lukes |
| 4 | Avera McKennan Hospital & University Health Center | 12.2%, 35th percentile | 12.4%, 23rd percentile | 14.8%, 56th percentile | 8.1%, 61st percentile | — | 10.9%, 64th percentile | 14.4%, 83rd percentile | Compare Avera McKennan Hospital & University Health Center |
| 5 | Monument Health Rapid City Hospital | 12.8%, 19th percentile | 9.8%, 73rd percentile | 12.3%, 89th percentile | 11.8%, 3rd percentile | 2.8%, 24th percentile | 13.4%, 24th percentile | 14.5%, 79th percentile | Compare Monument Health Rapid City Hospital |
| 6 | Prairie Lakes Healthcare System, Inc | 13.5%, 8th percentile | 14.8%, 4th percentile | 14.9%, 54th percentile | 10.0%, 15th percentile | — | 11.6%, 51st percentile | 15.4%, 23rd percentile | Compare Prairie Lakes Healthcare System, Inc |
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.
- Heart attack death rate
- 30-day death rate for heart attack patients.
- Heart failure death rate
- 30-day death rate for heart failure patients.
- Pneumonia death rate
- 30-day death rate for pneumonia patients.
- COPD death rate
- 30-day death rate for COPD patients.
- CABG surgery death rate
- 30-day death rate for CABG surgery patients.
- Stroke death rate
- 30-day death rate for stroke 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.