Hospital rankings
Hospitals in Idaho with the lowest CABG surgery death rate
5 Idaho hospitals ranked by CABG surgery death rate in the 2026 Medicare (CMS) data. Leading: Portneuf Medical Center, St Luke's Regional Medical Center, Kootenai Health. Filter by type, ownership and size, choose the measures you care about, and sort by any column.
| # | Hospital | CABG surgery death ratelower 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 | Serious complicationslower is better | Time in emergency departmentlower is better | Medicare spending per patientlower is better | Total beds | Compare |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| National average | 2.4% | 3.3 | 11.9% | 11.1% | 15.0% | 1.00 | 162 min | 1.00 | ||||
| 1 | Portneuf Medical Center | 1.9%, 78th percentile | 4, 73rd percentile | 3, 39th percentile | 12.2%, 35th percentile | 12.6%, 20th percentile | 13.8%, 96th percentile | 1.13, 16th percentile | 212 min, 14th percentile | 1.00, 44th percentile | 187 | Compare Portneuf Medical Center |
| 2 | St Luke's Regional Medical Center | 2.7%, 28th percentile | 5, 94th percentile | 4, 76th percentile | 11.8%, 49th percentile | 15.0%, 3rd percentile | 12.4%, 100th percentile | 0.84, 87th percentile | 168 min, 37th percentile | 0.96, 66th percentile | 544 | Compare St Luke's Regional Medical Center |
| 3 | Kootenai Health | 2.8%, 24th percentile | 4, 73rd percentile | 3, 39th percentile | 12.2%, 35th percentile | 14.6%, 5th percentile | 14.0%, 93rd percentile | 1.22, 9th percentile | 178 min, 31st percentile | 1.00, 44th percentile | 321 | Compare Kootenai Health |
| 4 | Saint Alphonsus Regional Medical Center | 3.1%, 16th percentile | 3, 43rd percentile | 3, 39th percentile | 11.7%, 54th percentile | 13.5%, 11th percentile | 13.8%, 96th percentile | 1.03, 29th percentile | 154 min, 46th percentile | 1.02, 33rd percentile | 365 | Compare Saint Alphonsus Regional Medical Center |
| 5 | Eastern Idaho Regional Medical Center | 3.8%, 5th percentile | 3, 43rd percentile | 3, 39th percentile | 10.2%, 93rd percentile | 11.1%, 48th percentile | 12.9%, 100th percentile | 0.84, 87th percentile | 133 min, 62nd percentile | 1.00, 44th percentile | 330 | Compare Eastern Idaho Regional 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.
- CABG surgery death rate
- 30-day death rate for CABG surgery patients.
- 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).