facebook tracking Best Hospitals in Illinois (2026): 135 Ranked by CMS Stars

Best hospitals in Illinois, ranked by CMS star rating

Ranked by Medicare's overall hospital star rating (CMS, October 2026 release). Stars summarize quality measures; they are not patient reviews.

According to HospitalsInEachState.com's analysis of the October 2026 CMS release, Illinois's 135 rated hospitals average 3.04 Medicare stars, against a US average of 3.21, ranking #39 of 50 states in the HospitalsInEachState.com State Hospital Quality Rankings. 49 hold 4 or 5 stars (14 with 5) and 43 are rated 1 or 2 stars.

CMS data published October 2026135 rated hospitalsRanked #39 of 50
State rank #39 of 50 In the middle of the pack · all states
Average rating 3.04 stars −0.17 vs U.S. U.S. is 3.21
Rated 4–5 stars 36% 49 of 135 hospitals
Rated 1–2 stars 32% 43 of 135 hospitals

Top 5 hospitals in Illinois by CMS stars

#HospitalCityCMS stars
1 Adventist La Grange Memorial Hospital La Grange
2 Advocate Good Shepherd Hospital Barrington
3 Central Dupage Hospital Winfield
4 Delnor Community Hospital Geneva
5 Evanston Hospital Evanston

How Illinois hospitals are rated

Number of rated hospitals at each star level. Pick a level to filter the list below.

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All 135 rated hospitals in Illinois

Sorted from the highest CMS overall rating to the lowest. 71 other Illinois hospitals in our directory have no CMS rating, usually because they report too few measures.

Showing the top 25 of 135 hospitals

Latest national report: 79% of Utah's rated hospitals have 4 or 5 CMS stars; 14% of Mississippi's do (Nov 13, 2026)

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How Illinois compares with its neighbors

RankStateAvg starsRated 4–5 ★5 ★ / 1 ★
#4 Wisconsin 3.78 64% 21 / 2
#16 Indiana 3.36 44% 12 / 2
#24 Iowa 3.24 45% 7 / 2
#33 Missouri 3.14 42% 5 / 3
#39 Illinois 3.04 36% 14 / 14
#47 Kentucky 2.76 24% 5 / 8

Questions about Illinois hospital ratings

What are the best-rated hospitals in Illinois?

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.

How does Illinois rank for hospital quality?

Illinois ranks #39 of 50 states. Its 135 rated hospitals average 3.04 stars, against a U.S. average of 3.21. 36% are rated 4 or 5 stars and 32% are rated 1 or 2 stars.

How many Illinois hospitals have a 1-star rating?

14 of 135 rated Illinois hospitals have the lowest 1-star rating, and 29 have 2 stars.

Why isn't my hospital on this list?

Only hospitals with a CMS overall star rating are listed. 71 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.

Cite this data

Journalists, researchers and site owners are welcome to quote and chart these figures. They are free to use under CC BY 4.0: please credit HospitalsInEachState.com and link to this page.

Figures as of the October 2026 CMS release Updated automatically when CMS publishes new data Permanent link: hospitalsineachstate.com/hospital-ratings/illinois/

Download the data (CSV) See how all 50 states rank

Source: CMS Care Compare, Hospital General Information, published October 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.