Every Illinois hospital with a Medicare (CMS) overall star rating, from 5 stars down to 1. Illinois ranks #39 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. 88 other Illinois hospitals in our directory have no CMS rating, usually because they report too few measures.
Showing the top 25 of 136 hospitals
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14 Illinois hospitals have the top 5-star CMS rating: Adventist la Grange Memorial Hospital (La Grange), Advocate Good Shepherd Hospital (Barrington), Central Dupage Hospital (Winfield), Delnor Community Hospital (Geneva), Evanston Hospital (Evanston), Hinsdale Hospital (Hinsdale) and 8 more, all listed on this page.
Illinois ranks #39 of 50 states. Its 136 rated hospitals average 3.03 stars, against a U.S. average of 3.21. 36% are rated 4 or 5 stars and 32% are rated 1 or 2 stars.
15 of 136 rated Illinois hospitals have the lowest 1-star rating, and 29 have 2 stars.
Only hospitals with a CMS overall star rating are listed. 88 other Illinois 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 Illinois 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.