Hospital rankings
Hospitals in Idaho with the lowest left ED without being seen
31 Idaho hospitals ranked by left ED without being seen in the 2026 Medicare (CMS) data. Leading: St Luke's Elmore Medical Center, Idaho Falls Community Hospital, LLC, Eastern Idaho Regional Medical Center. Filter by type, ownership and size, choose the measures you care about, and sort by any column.
| # | Hospital | Left ED without being seenlower 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 | 2.0% | 3.3 | 11.9% | 11.1% | 15.0% | 1.00 | 162 min | 1.00 | ||||
| T1 | St Luke's Elmore Medical Center | 0.0%, 88th percentile | 5, 94th percentile | 5, 97th percentile | — | — | 15.1%, 40th percentile | — | 112 min, 81st percentile | — | 25 | Compare St Luke's Elmore Medical Center |
| T1 | Idaho Falls Community Hospital, LLC | 0.0%, 88th percentile | 4, 73rd percentile | 3, 39th percentile | — | 14.3%, 6th percentile | 14.6%, 74th percentile | 0.85, 85th percentile | 137 min, 59th percentile | 1.01, 38th percentile | 88 | Compare Idaho Falls Community Hospital, LLC |
| T1 | Eastern Idaho Regional Medical Center | 0.0%, 88th 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 |
| T1 | Franklin County Medical Center | 0.0%, 88th percentile | 3, 43rd percentile | — | — | 12.6%, 20th percentile | 14.4%, 83rd percentile | — | 188 min, 25th percentile | — | 20 | Compare Franklin County Medical Center |
| T1 | Bear Lake Memorial Hospital | 0.0%, 88th percentile | — | — | — | — | 14.8%, 61st percentile | — | 100 min, 90th percentile | — | 21 | Compare Bear Lake Memorial Hospital |
| T1 | Caribou Medical Center | 0.0%, 88th percentile | — | — | — | — | 15.0%, 46th percentile | — | 102 min, 89th percentile | — | 25 | Compare Caribou Medical Center |
| T1 | Madison Memorial Hospital | 0.0%, 88th percentile | — | 3, 39th percentile | — | — | 14.5%, 79th percentile | 0.96, 51st percentile | 144 min, 53rd percentile | 1.01, 38th percentile | 81 | Compare Madison Memorial Hospital |
| T1 | Minidoka Memorial Hospital | 0.0%, 88th percentile | — | — | — | — | 14.8%, 61st percentile | — | 106 min, 86th percentile | — | 25 | Compare Minidoka Memorial Hospital |
| T1 | Power County Hospital District | 0.0%, 88th percentile | — | — | — | — | — | — | 85 min, 96th percentile | — | 10 | Compare Power County Hospital District |
| T1 | St Luke's McCall | 0.0%, 88th percentile | — | 5, 97th percentile | — | — | 14.8%, 61st percentile | — | 145 min, 52nd percentile | — | 15 | Compare St Luke's McCall |
| T1 | St Mary's Hospital | 0.0%, 88th percentile | — | — | — | — | 15.1%, 40th percentile | — | 140 min, 56th percentile | — | 25 | Compare St Mary's Hospital |
| T1 | Weiser Memorial Hospital | 0.0%, 88th percentile | — | — | — | — | 14.9%, 54th percentile | — | 97 min, 92nd percentile | — | 25 | Compare Weiser Memorial Hospital |
| T13 | St Luke's Nampa Medical Center | 1.0%, 60th percentile | 5, 94th percentile | 4, 76th percentile | — | 13.2%, 13th percentile | 13.9%, 94th percentile | 1.02, 31st percentile | 158 min, 43rd percentile | 0.92, 83rd percentile | 87 | Compare St Luke's Nampa Medical Center |
| T13 | West Valley Medical Center | 1.0%, 60th percentile | 5, 94th percentile | 4, 76th percentile | — | 11.9%, 32nd percentile | 15.1%, 40th percentile | 0.87, 81st percentile | 131 min, 64th percentile | 0.91, 86th percentile | 150 | Compare West Valley Medical Center |
| T13 | Kootenai Health | 1.0%, 60th 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 |
| T13 | St Luke's Wood River Medical Center | 1.0%, 60th percentile | 4, 73rd percentile | 5, 97th percentile | — | 10.4%, 62nd percentile | 14.9%, 54th percentile | — | 140 min, 56th percentile | — | 25 | Compare St Luke's Wood River Medical Center |
| T13 | Cassia Regional Hospital | 1.0%, 60th percentile | 3, 43rd percentile | 4, 76th percentile | — | 12.3%, 25th percentile | 14.2%, 89th percentile | — | 120 min, 74th percentile | — | 25 | Compare Cassia Regional Hospital |
| T13 | Mountain View Hospital | 1.0%, 60th percentile | 3, 43rd percentile | 4, 76th percentile | — | — | 14.8%, 61st percentile | 1.00, 35th percentile | 114 min, 79th percentile | 0.97, 61st percentile | 43 | Compare Mountain View Hospital |
| T13 | St Joseph Regional Medical Center | 1.0%, 60th percentile | 2, 17th percentile | 3, 39th percentile | 10.0%, 96th percentile | 14.9%, 4th percentile | 14.1%, 91st percentile | 0.92, 67th percentile | 129 min, 66th percentile | 1.07, 14th percentile | 145 | Compare St Joseph Regional Medical Center |
| T13 | Boundary Community Hospital | 1.0%, 60th percentile | — | — | — | — | 14.7%, 68th percentile | — | 102 min, 89th percentile | — | 14 | Compare Boundary Community Hospital |
| T13 | Lost Rivers Medical Center | 1.0%, 60th percentile | — | — | — | — | — | — | 95 min, 93rd percentile | — | 14 | Compare Lost Rivers Medical Center |
| T13 | St Luke's Jerome | 1.0%, 60th percentile | — | — | — | — | 14.8%, 61st percentile | — | 100 min, 90th percentile | — | 25 | Compare St Luke's Jerome |
| T13 | Syringa General Hospital | 1.0%, 60th percentile | — | — | — | — | 15.4%, 23rd percentile | — | 95 min, 93rd percentile | — | 16 | Compare Syringa General Hospital |
| T13 | Valor Health | 1.0%, 60th percentile | — | — | — | — | — | — | 105 min, 86th percentile | — | 16 | Compare Valor Health |
| T25 | St Luke's Regional Medical Center | 2.0%, 32nd 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 |
| T25 | St Lukes Magic Valley Medical Center | 2.0%, 32nd percentile | 4, 73rd percentile | 3, 39th percentile | 13.4%, 9th percentile | 15.1%, 3rd percentile | 14.3%, 86th percentile | 1.03, 29th percentile | 186 min, 26th percentile | 0.94, 76th percentile | 226 | Compare St Lukes Magic Valley Medical Center |
| T25 | Gritman Medical Center | 2.0%, 32nd percentile | 3, 43rd percentile | 5, 97th percentile | — | 12.4%, 23rd percentile | 15.1%, 40th percentile | — | 122 min, 72nd percentile | — | 25 | Compare Gritman Medical Center |
| T25 | Saint Alphonsus Medical Center - Nampa | 2.0%, 32nd percentile | 3, 43rd percentile | 4, 76th percentile | 11.2%, 71st percentile | 9.3%, 82nd percentile | 13.9%, 94th percentile | 1.01, 33rd percentile | 130 min, 65th percentile | 0.98, 55th percentile | 152 | Compare Saint Alphonsus Medical Center - Nampa |
| T25 | Saint Alphonsus Regional Medical Center | 2.0%, 32nd 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 |
| T25 | Clearwater Valley Hospital & Clinics | 2.0%, 32nd percentile | 2, 17th percentile | 4, 76th percentile | — | 15.5%, 2nd percentile | 15.4%, 23rd percentile | — | 144 min, 53rd percentile | — | 23 | Compare Clearwater Valley Hospital & Clinics |
| 31 | Portneuf Medical Center | 4.0%, 9th 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 |
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.
- Left ED without being seen
- Percentage of patients who left the emergency department before being seen.
- 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).