Hospital rankings
Hospitals in Idaho with the lowest heart attack death rate
9 Idaho hospitals ranked by heart attack death rate in the 2026 Medicare (CMS) data. Leading: St Joseph Regional Medical Center, Eastern Idaho Regional Medical Center, Boise VA Medical Center. 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% | ||
| 1 | St Joseph Regional Medical Center | 10.0%, 96th percentile | 14.9%, 4th percentile | 20.3%, 4th percentile | 11.3%, 4th percentile | — | 19.2%, 3rd percentile | 14.1%, 91st percentile | Compare St Joseph Regional Medical Center |
| 2 | Eastern Idaho Regional Medical Center | 10.2%, 93rd percentile | 11.1%, 48th percentile | 17.2%, 21st percentile | 10.9%, 7th percentile | 3.8%, 5th percentile | 14.2%, 16th percentile | 12.9%, 100th percentile | Compare Eastern Idaho Regional Medical Center |
| 3 | Boise VA Medical Center | 10.9%, 80th percentile | 11.0%, 50th percentile | 9.8%, 99th percentile | 9.5%, 24th percentile | — | — | 15.0%, 46th percentile | Compare Boise VA Medical Center |
| 4 | Saint Alphonsus Medical Center - Nampa | 11.2%, 71st percentile | 9.3%, 82nd percentile | 13.8%, 72nd percentile | 8.5%, 49th percentile | — | 18.6%, 3rd percentile | 13.9%, 94th percentile | Compare Saint Alphonsus Medical Center - Nampa |
| 5 | Saint Alphonsus Regional Medical Center | 11.7%, 54th percentile | 13.5%, 11th percentile | 16.4%, 31st percentile | 10.5%, 10th percentile | 3.1%, 16th percentile | 13.4%, 24th percentile | 13.8%, 96th percentile | Compare Saint Alphonsus Regional Medical Center |
| 6 | St Luke's Regional Medical Center | 11.8%, 49th percentile | 15.0%, 3rd percentile | 14.9%, 54th percentile | 9.8%, 18th percentile | 2.7%, 28th percentile | 10.4%, 73rd percentile | 12.4%, 100th percentile | Compare St Luke's Regional Medical Center |
| T7 | Kootenai Health | 12.2%, 35th percentile | 14.6%, 5th percentile | 13.3%, 79th percentile | 12.0%, 2nd percentile | 2.8%, 24th percentile | 10.7%, 68th percentile | 14.0%, 93rd percentile | Compare Kootenai Health |
| T7 | Portneuf Medical Center | 12.2%, 35th percentile | 12.6%, 20th percentile | 16.8%, 26th percentile | 9.1%, 34th percentile | 1.9%, 78th percentile | 9.9%, 82nd percentile | 13.8%, 96th percentile | Compare Portneuf Medical Center |
| 9 | St Lukes Magic Valley Medical Center | 13.4%, 9th percentile | 15.1%, 3rd percentile | 15.6%, 43rd percentile | 10.4%, 11th percentile | — | 12.7%, 33rd percentile | 14.3%, 86th percentile | Compare St Lukes Magic Valley Medical Center |
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.