Hospital rankings
Hospitals in Idaho with the lowest serious complications
16 Idaho hospitals ranked by serious complications in the 2026 Medicare (CMS) data. Leading: St Luke's Regional Medical Center, Eastern Idaho Regional Medical Center, Idaho Falls Community Hospital, LLC. Filter by type, ownership and size, choose the measures you care about, and sort by any column.
| # | Hospital | Serious complicationslower is better | Central line bloodstream infectionslower is better | Catheter-associated urinary tract infectionslower is better | Surgical site infections (colon)lower is better | Surgical site infections (hysterectomy)lower is better | MRSA bloodstream infectionslower is better | C. diff infectionslower is better | Compare |
|---|---|---|---|---|---|---|---|---|---|
| National average | 1.00 | 1.00 | 1.00 | 1.00 | 1.00 | 1.00 | 1.00 | ||
| T1 | St Luke's Regional Medical Center | 0.84, 87th percentile | 0.70, 31st percentile | 0.67, 26th percentile | 0.41, 70th percentile | 0.94, 43rd percentile | 0.20, 79th percentile | 0.46, 28th percentile | Compare St Luke's Regional Medical Center |
| T1 | Eastern Idaho Regional Medical Center | 0.84, 87th percentile | 0.47, 51st percentile | 0.37, 53rd percentile | 1.22, 23rd percentile | — | 0.00, 91st percentile | 0.00, 90th percentile | Compare Eastern Idaho Regional Medical Center |
| 3 | Idaho Falls Community Hospital, LLC | 0.85, 85th percentile | 1.59, 5th percentile | 0.61, 30th percentile | 1.84, 8th percentile | — | — | 0.87, 7th percentile | Compare Idaho Falls Community Hospital, LLC |
| 4 | West Valley Medical Center | 0.87, 81st percentile | — | — | — | — | — | 0.00, 90th percentile | Compare West Valley Medical Center |
| 5 | Northwest Specialty Hospital | 0.88, 78th percentile | — | — | — | — | — | — | Compare Northwest Specialty Hospital |
| 6 | St Joseph Regional Medical Center | 0.92, 67th percentile | — | 0.00, 88th percentile | 0.66, 54th percentile | — | — | 0.90, 7th percentile | Compare St Joseph Regional Medical Center |
| 7 | Treasure Valley Hospital | 0.95, 55th percentile | — | — | — | — | — | — | Compare Treasure Valley Hospital |
| 8 | Madison Memorial Hospital | 0.96, 51st percentile | — | — | — | — | — | 0.29, 48th percentile | Compare Madison Memorial Hospital |
| 9 | Boise VA Medical Center | 0.98, 41st percentile | — | — | — | — | — | — | Compare Boise VA Medical Center |
| 10 | Mountain View Hospital | 1.00, 35th percentile | — | — | 0.80, 44th percentile | 1.64, 23rd percentile | — | 0.00, 90th percentile | Compare Mountain View Hospital |
| 11 | Saint Alphonsus Medical Center - Nampa | 1.01, 33rd percentile | 0.81, 25th percentile | 1.20, 8th percentile | 1.06, 29th percentile | — | 0.97, 22nd percentile | 0.77, 10th percentile | Compare Saint Alphonsus Medical Center - Nampa |
| 12 | St Luke's Nampa Medical Center | 1.02, 31st percentile | 0.00, 90th percentile | 0.00, 88th percentile | — | — | 0.00, 91st percentile | 0.25, 55th percentile | Compare St Luke's Nampa Medical Center |
| T13 | St Lukes Magic Valley Medical Center | 1.03, 29th percentile | 0.93, 19th percentile | 0.00, 88th percentile | 0.57, 59th percentile | — | 0.53, 57th percentile | 0.11, 73rd percentile | Compare St Lukes Magic Valley Medical Center |
| T13 | Saint Alphonsus Regional Medical Center | 1.03, 29th percentile | 0.78, 27th percentile | 0.69, 25th percentile | 0.90, 37th percentile | — | 0.60, 49th percentile | 0.69, 13th percentile | Compare Saint Alphonsus Regional Medical Center |
| 15 | Portneuf Medical Center | 1.13, 16th percentile | 0.57, 42nd percentile | 0.63, 29th percentile | 0.80, 44th percentile | — | 0.96, 23rd percentile | 0.49, 25th percentile | Compare Portneuf Medical Center |
| 16 | Kootenai Health | 1.22, 9th percentile | 0.33, 63rd percentile | 0.07, 75th percentile | 1.31, 20th percentile | — | 0.00, 91st percentile | 0.18, 64th percentile | Compare Kootenai Health |
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).
- Central line bloodstream infections
- Central line-associated bloodstream infections (CLABSI) in ICUs and select wards (standardized infection ratio; 1.0 = national baseline).
- Catheter-associated urinary tract infections
- Catheter-associated urinary tract infections (CAUTI) in ICUs and select wards (standardized infection ratio; 1.0 = national baseline).
- Surgical site infections (colon)
- Surgical site infections from colon surgery (standardized infection ratio; 1.0 = national baseline).
- Surgical site infections (hysterectomy)
- Surgical site infections from abdominal hysterectomy (standardized infection ratio; 1.0 = national baseline).
- MRSA bloodstream infections
- Methicillin-resistant Staphylococcus aureus (MRSA) blood laboratory-identified events (standardized infection ratio; 1.0 = national baseline).
- C. diff infections
- Clostridium difficile (C. diff) intestinal infections (standardized infection ratio; 1.0 = national baseline).