Every Idaho hospital with a Medicare (CMS) overall star rating, from 5 stars down to 1. Idaho ranks #9 of 50 states for hospital quality.
Number of rated hospitals at each star level. Pick a level to filter the list below.
Sorted from the highest CMS overall rating to the lowest. 29 other Idaho hospitals in our directory have no CMS rating, usually because they report too few measures.
Showing all 22 hospitals
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5 Idaho hospitals have the top 5-star CMS rating: Boise VA Medical Center (Boise), St Luke's Elmore Medical Center (Mountain Home), St Luke's Nampa Medical Center (Nampa), St Lukes Regional Medical Center (Boise), West Valley Medical Center (Caldwell).
Idaho ranks #9 of 50 states. Its 22 rated hospitals average 3.55 stars, against a U.S. average of 3.21. 45% are rated 4 or 5 stars and 14% are rated 1 or 2 stars.
None. No rated Idaho hospital has the lowest 1-star rating.
Only hospitals with a CMS overall star rating are listed. 29 other Idaho hospitals in our directory have no rating, usually because they report too few measures. That is common for small rural, critical access and specialty hospitals. Every hospital still has its own page in the Idaho hospital directory.
You're welcome to use these ratings with a link to this page.
Source: CMS Care Compare, Hospital General Information, published July 2026. Each facility is counted once by its CMS Certification Number. Updated automatically when CMS publishes new data.
A star rating summarizes many measures and does not capture every service. Talk to your doctor about which hospital is right for your care. About the data. Not affiliated with CMS. For a medical emergency, call 911.