Hospitals in Ada County, Idaho
7 Medicare-certified hospitals, sorted by CMS overall rating (a national standard — not curved within Idaho). “Not rated” is CMS’s own suppression, never a judgment.
| Hospital | City | CMS rating | ER |
|---|---|---|---|
| Boise VA Medical Center | Boise | ★★★★★5 | Yes |
| St Luke's Regional Medical Center | Boise | ★★★★★5 | Yes |
| Saint Alphonsus Regional Medical Center | Boise | ★★★★★3 | Yes |
| Cottonwood Creek Behavioral Hospital | Meridian | not rated | No |
| Intermountain Hospital | Boise | not rated | No |
| Lifeways Hospital | Boise | not rated | No |
| Treasure Valley Hospital | Boise | not rated | No |
Data: Centers for Medicare & Medicaid Services (data.cms.gov), last updated April 28, 2026. This site is not affiliated with CMS or any government agency.