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Home / Hospitals / Illinois

Best Hospitals in Illinois, Graded A–F

All 146 graded Medicare-certified hospitals in Illinois, scored from CMS Care Compare — overall rating, mortality, safety of care and readmissions — against Illinois hospitals of the same type. Grades are computed, never edited, and every input is shown on the hospital page.

CMS data as of Sep 2026 · graded Sep 11, 2026
Grade distribution — Illinois
A21
B20
C58
D32
F15
Highest graded
ANorthwestern Medicine Mchenr...A
Mchenry · CMS overall rating 5 of 5 — top 10% amon...See grade
146 hospitalsgraded in Illinois · 21 earned an A
All Illinois Chicago (26)Peoria (3)Rockford (3)Alton (2)Aurora (2)Decatur (2)Elgin (2)Evanston (2)Kankakee (2)
Highest in Illinois 1

Northwestern Medicine Mchenry - Mchenry, IL · Acute care hospital · voluntary non-profit - other CMS Care Compare · data as of Sep 2026

  • CMS overall rating 5 of 5 — top 10% among Illinois acute care hospitals
  • Mortality: 4 measures better than the national rate, 0 worse, of 8
  • Safety: 2 measures better than the national rate, 0 worse, of 7
AScore 87 · ExcellentSee Full Grade
(815) 344-5000 Mchenry, MC HENRY County Emergency dept. Birthing-Friendly
2

Northwestern Medicine Kishwaukee Hospital - Dekalb, IL · Acute care hospital · voluntary non-profit - private CMS Care Compare · data as of Sep 2026

  • CMS overall rating 5 of 5 — top 10% among Illinois acute care hospitals
  • Mortality: 3 measures better than the national rate, 0 worse, of 7
  • Safety: 1 measure better than the national rate, 0 worse, of 6
AScore 86 · ExcellentSee Full Grade
(815) 756-1521 Dekalb, DE KALB County Emergency dept. Birthing-Friendly
3

Memorial Hospital - Belleville, IL · Acute care hospital · voluntary non-profit - private CMS Care Compare · data as of Sep 2026

  • CMS overall rating 5 of 5 — top 10% among Illinois acute care hospitals
  • Mortality: 2 measures better than the national rate, 0 worse, of 8
  • Safety: 2 measures better than the national rate, 0 worse, of 7
AScore 84 · ExcellentSee Full Grade
(618) 233-7750 Belleville, ST. CLAIR County Emergency dept. Birthing-Friendly
4

Northwestern Medicine Delnor Community Hospital - Geneva, IL · Acute care hospital · voluntary non-profit - private CMS Care Compare · data as of Sep 2026

  • CMS overall rating 5 of 5 — top 10% among Illinois acute care hospitals
  • Mortality: 2 measures better than the national rate, 0 worse, of 7
  • Safety: 2 measures better than the national rate, 0 worse, of 7
AScore 84 · ExcellentSee Full Grade
(630) 208-3000 Geneva, KANE County Emergency dept. Birthing-Friendly
5

St Alexius Medical Center - Hoffman Estates, IL · Acute care hospital · voluntary non-profit - church CMS Care Compare · data as of Sep 2026

  • CMS overall rating 5 of 5 — top 10% among Illinois acute care hospitals
  • Mortality: 2 measures better than the national rate, 0 worse, of 7
  • Safety: 1 measure better than the national rate, 0 worse, of 6
AScore 82 · ExcellentSee Full Grade
(847) 843-2000 Hoffman Estates, COOK County Emergency dept. Birthing-Friendly
6

Northwestern Lake Forest Hospital - Lake Forest, IL · Acute care hospital · voluntary non-profit - other CMS Care Compare · data as of Sep 2026

  • CMS overall rating 5 of 5 — top 10% among Illinois acute care hospitals
  • Mortality: 4 measures better than the national rate, 0 worse, of 7
  • Safety: 1 measure better than the national rate, 0 worse, of 7
AScore 81 · ExcellentSee Full Grade
(847) 234-5600 Lake Forest, LAKE County Emergency dept. Birthing-Friendly
7

Uchicago Medicine Adventhealth Hinsdale - Hinsdale, IL · Acute care hospital · voluntary non-profit - private CMS Care Compare · data as of Sep 2026

  • CMS overall rating 5 of 5 — top 10% among Illinois acute care hospitals
  • Mortality: 1 measure better than the national rate, 0 worse, of 8
  • Safety: 1 measure better than the national rate, 0 worse, of 7
AScore 80 · ExcellentSee Full Grade
(630) 856-9000 Hinsdale, DU PAGE County Emergency dept. Birthing-Friendly
8

Advocate Good Shepherd Hospital - Barrington, IL · Acute care hospital · voluntary non-profit - private CMS Care Compare · data as of Sep 2026

  • CMS overall rating 5 of 5 — top 10% among Illinois acute care hospitals
  • Mortality: 3 measures better than the national rate, 0 worse, of 8
  • Safety: 1 measure better than the national rate, 0 worse, of 7
AScore 80 · ExcellentSee Full Grade
(847) 381-9600 Barrington, LAKE County Emergency dept. Birthing-Friendly
9

University Of Illinois Hospital And Clinics - Chicago, IL · Acute care hospital · government - state CMS Care Compare · data as of Sep 2026

  • CMS overall rating 4 of 5 — top quarter among Illinois acute care hospitals
  • Mortality: 2 measures better than the national rate, 0 worse, of 7
  • Safety: 2 measures better than the national rate, 0 worse, of 8
AScore 79 · ExcellentSee Full Grade
(312) 996-3900 Chicago, COOK County Emergency dept. Birthing-Friendly
10

Advocate Lutheran General Hospital - Park Ridge, IL · Acute care hospital · voluntary non-profit - church CMS Care Compare · data as of Sep 2026

  • CMS overall rating 4 of 5 — top quarter among Illinois acute care hospitals
  • Mortality: 5 measures better than the national rate, 0 worse, of 8
  • Safety: 3 measures better than the national rate, 0 worse, of 8
AScore 79 · ExcellentSee Full Grade
(847) 723-2210 Park Ridge, COOK County Emergency dept. Birthing-Friendly
11

Rush University Medical Center - Chicago, IL · Acute care hospital · voluntary non-profit - private CMS Care Compare · data as of Sep 2026

  • CMS overall rating 5 of 5 — top 10% among Illinois acute care hospitals
  • Mortality: 3 measures better than the national rate, 0 worse, of 8
  • Safety: 4 measures better than the national rate, 0 worse, of 8
AScore 77 · ExcellentSee Full Grade
(312) 942-5000 Chicago, COOK County Emergency dept. Birthing-Friendly
12

Northwestern Medicine Central Dupage Hospital - Winfield, IL · Acute care hospital · voluntary non-profit - private CMS Care Compare · data as of Sep 2026

  • CMS overall rating 5 of 5 — top 10% among Illinois acute care hospitals
  • Mortality: 3 measures better than the national rate, 0 worse, of 8
  • Safety: 3 measures better than the national rate, 0 worse, of 8
AScore 76 · ExcellentSee Full Grade
(630) 682-1600 Winfield, DU PAGE County Emergency dept. Birthing-Friendly
13

Northshore University Healthsystem - Evanston Hospital - Evanston, IL · Acute care hospital · voluntary non-profit - other CMS Care Compare · data as of Sep 2026

  • CMS overall rating 5 of 5 — top 10% among Illinois acute care hospitals
  • Mortality: 7 measures better than the national rate, 0 worse, of 8
  • Safety: 5 measures better than the national rate, 0 worse, of 8
AScore 76 · ExcellentSee Full Grade
(847) 570-2000 Evanston, COOK County Emergency dept. Birthing-Friendly
14

Northwestern Memorial Hospital - Chicago, IL · Acute care hospital · voluntary non-profit - private CMS Care Compare · data as of Sep 2026

  • CMS overall rating 5 of 5 — top 10% among Illinois acute care hospitals
  • Mortality: 4 measures better than the national rate, 0 worse, of 8
  • Safety: 5 measures better than the national rate, 0 worse, of 8
AScore 75 · ExcellentSee Full Grade
(312) 926-2000 Chicago, COOK County Emergency dept. Birthing-Friendly
15

Northwest Community Hospital 1 - Arlington Heights, IL · Acute care hospital · voluntary non-profit - private CMS Care Compare · data as of Sep 2026

  • CMS overall rating 4 of 5 — top quarter among Illinois acute care hospitals
  • Mortality: 0 measures better than the national rate, 0 worse, of 8
  • Safety: 3 measures better than the national rate, 0 worse, of 8
AScore 75 · ExcellentSee Full Grade
(847) 618-1000 Arlington Heights, COOK County Emergency dept. Birthing-Friendly
16

Osf Saint Luke Medical Center - Kewanee, IL · Critical access hospital · voluntary non-profit - private CMS Care Compare · data as of Sep 2026

  • CMS overall rating 4 of 5 — top quarter among Illinois critical access hospitals
  • Mortality: 0 measures better than the national rate, 0 worse, of 3
  • Readmission: 1 measure better than the national rate, 0 worse, of 4
AScore 74 · ExcellentSee Full Grade
(309) 853-3361 Kewanee, HENRY County Emergency dept.
17

Pana Community Hospital - Pana, IL · Critical access hospital · voluntary non-profit - private CMS Care Compare · data as of Sep 2026

  • CMS overall rating 4 of 5 — top quarter among Illinois critical access hospitals
  • Mortality: 0 measures better than the national rate, 0 worse, of 3
  • Readmission: 1 measure better than the national rate, 0 worse, of 3
AScore 74 · ExcellentSee Full Grade
(217) 562-2131 Pana, CHRISTIAN County Emergency dept.
18

Advocate Condell Medical Center - Libertyville, IL · Acute care hospital · voluntary non-profit - private CMS Care Compare · data as of Sep 2026

  • CMS overall rating 4 of 5 — top quarter among Illinois acute care hospitals
  • Mortality: 2 measures better than the national rate, 0 worse, of 8
  • Safety: 1 measure better than the national rate, 0 worse, of 7
AScore 73 · ExcellentSee Full Grade
(847) 362-2900 Libertyville, LAKE County Emergency dept. Birthing-Friendly
19

Advocate Good Samaritan Hospital - Downers Grove, IL · Acute care hospital · voluntary non-profit - private CMS Care Compare · data as of Sep 2026

  • CMS overall rating 4 of 5 — top quarter among Illinois acute care hospitals
  • Mortality: 2 measures better than the national rate, 0 worse, of 8
  • Safety: 1 measure better than the national rate, 0 worse, of 8
AScore 73 · ExcellentSee Full Grade
(630) 275-5900 Downers Grove, DU PAGE County Emergency dept. Birthing-Friendly
20

Advocate Sherman Hospital - Elgin, IL · Acute care hospital · voluntary non-profit - private CMS Care Compare · data as of Sep 2026

  • CMS overall rating 4 of 5 — top quarter among Illinois acute care hospitals
  • Mortality: 2 measures better than the national rate, 0 worse, of 8
  • Safety: 1 measure better than the national rate, 0 worse, of 6
AScore 73 · ExcellentSee Full Grade
(847) 742-9800 Elgin, KANE County Emergency dept. Birthing-Friendly
21

Uchicago Medicine Adventhealth La Grange - La Grange, IL · Acute care hospital · voluntary non-profit - church CMS Care Compare · data as of Sep 2026

  • CMS overall rating 5 of 5 — top 10% among Illinois acute care hospitals
  • Mortality: 0 measures better than the national rate, 0 worse, of 7
  • Safety: 1 measure better than the national rate, 0 worse, of 7
AScore 73 · ExcellentSee Full Grade
(708) 352-1200 La Grange, COOK County Emergency dept.
22

Abraham Lincoln Memorial Hospital - Lincoln, IL · Critical access hospital · voluntary non-profit - private CMS Care Compare · data as of Sep 2026

  • CMS overall rating 4 of 5 — top quarter among Illinois critical access hospitals
  • Mortality: 0 measures better than the national rate, 0 worse, of 4
  • Safety: 0 measures better than the national rate, 0 worse, of 1
BScore 68 · GoodSee Full Grade
(217) 732-2161 Lincoln, LOGAN County Emergency dept.
23

Crawford Memorial Hospital - Robinson, IL · Critical access hospital · government - hospital district or authority CMS Care Compare · data as of Sep 2026

  • CMS overall rating 4 of 5 — top quarter among Illinois critical access hospitals
  • Mortality: 0 measures better than the national rate, 0 worse, of 4
  • Safety: 0 measures better than the national rate, 0 worse, of 1
BScore 68 · GoodSee Full Grade
(618) 544-3131 Robinson, CRAWFORD County Emergency dept. Birthing-Friendly
24

Gibson Community Hospital - Gibson City, IL · Critical access hospital · voluntary non-profit - private CMS Care Compare · data as of Sep 2026

  • CMS overall rating 4 of 5 — top quarter among Illinois critical access hospitals
  • Mortality: 0 measures better than the national rate, 0 worse, of 4
  • Safety: 0 measures better than the national rate, 0 worse, of 2
BScore 68 · GoodSee Full Grade
(217) 784-4251 Gibson City, FORD County Emergency dept. Birthing-Friendly
25

Blessing Hospital - Quincy, IL · Acute care hospital · voluntary non-profit - private CMS Care Compare · data as of Sep 2026

  • CMS overall rating 4 of 5 — top quarter among Illinois acute care hospitals
  • Mortality: 0 measures better than the national rate, 0 worse, of 8
  • Safety: 2 measures better than the national rate, 0 worse, of 7
BScore 68 · GoodSee Full Grade
(217) 223-1200 Quincy, ADAMS County Emergency dept. Birthing-Friendly
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Illinois hospitals by city

How we grade hospitals

What data goes into a grade?
CMS Care Compare Hospital General Information: CMS overall rating (25), Mortality (25), Safety of care (25), Readmission (25). Each metric is percentile-ranked against Illinois hospitals of the same type; A ≥ 72, B ≥ 58, C ≥ 42, D ≥ 28, F below. Hospitals with fewer than three of the four metrics are shown as "Not graded".
Why is a well-known hospital graded C?
The grade measures outcomes CMS reports — death rates, complications, infections, readmissions — not reputation, research or specialist rankings. A large teaching hospital that treats the sickest patients can score average on these measures. Use the grade as one input, alongside the specialists you need.
Can a hospital pay to improve its grade?
No. Grades are computed from public data and have no editable field. Nothing on this page is sponsored.