Ranked listRefreshed monthly

The 10 largest hospitals in Illinois by affiliated HCPs

Northwestern Medicine Central DuPage Hospital has the most affiliated HCPs of any hospital in Illinois, 5,452, followed by Evanston Hospital in Evanston (4,152) and Northwestern Memorial Hospital in Chicago (4,036).

Updated HCPs with a current affiliation in the Dmand AI databaseHow we ranked

  1. Northwestern Medicine Central DuPage HospitalWinfield · Northwestern Medicine5,452HCPs385beds
  2. Evanston HospitalEvanston · Endeavor Health4,152HCPs691beds
  3. Northwestern Memorial HospitalChicago · Northwestern Medicine4,036HCPs930beds
  4. University of Chicago Medical CenterChicago · UChicago Medicine2,767HCPs737beds
  5. Advocate Christ Medical CenterOak Lawn · Advocate Health2,577HCPs727beds
  6. Ann & Robert H. Lurie Children's Hospital of ChicagoChicago · Ann & Robert H. Lurie Children's Hospital of Chicago2,478HCPs364beds
  7. Rush University Medical CenterChicago · Rush University System for Health2,180HCPs608beds
  8. Northwestern Medicine Catherine Gratz Griffin Lake Forest HospitalLake Forest · Northwestern Medicine1,975HCPs140beds
  9. Northwest Community HospitalArlington Heights · Endeavor Health1,954HCPs356beds
  10. OSF Saint Francis Medical CenterPeoria · OSF HealthCare1,882HCPs642beds

The 10 highest of 201 Illinois hospitals that report affiliated HCPs. Ranks compare size, not quality of care.

Every hospital in Illinois

The median Illinois hospital has 244 HCPs

201 Illinois hospitals report affiliated HCPs. The median hospital has 244 HCPs, so Northwestern Medicine Central DuPage Hospital is about 22 times that size.

the size of the median Illinois hospital, which has 244 HCPs
22×
of the 201 Illinois hospitals that report affiliated HCPs
5%

How we ranked the top Illinois hospitals

Measure
HCPs with a current affiliation in the Dmand AI database.
What counts as a hospital
One CMS certification number. A hospital with several campuses under one number counts once.
Field
201 Illinois hospitals in the Dmand AI database report affiliated HCPs.
Ties
Hospitals with the same number share a rank.
What a rank means
Size only. A rank compares affiliated HCPs; it says nothing about quality of care.
Refresh
Monthly. Updated Oct 28, 2026.

FAQ

Questions about the top Illinois hospitals

Answers from the same data, updated monthly.

Which Illinois hospital has the most affiliated HCPs?

Northwestern Medicine Central DuPage Hospital in Winfield, with 5,452 HCPs. Evanston Hospital is second with 4,152.

What are the top 10 Illinois hospitals by affiliated HCPs?

Northwestern Medicine Central DuPage Hospital (5,452), Evanston Hospital (4,152), Northwestern Memorial Hospital (4,036), University of Chicago Medical Center (2,767), Advocate Christ Medical Center (2,577), Ann & Robert H. Lurie Children's Hospital of Chicago (2,478), Rush University Medical Center (2,180), Northwestern Medicine Catherine Gratz Griffin Lake Forest Hospital (1,975), Northwest Community Hospital (1,954), OSF Saint Francis Medical Center (1,882).

How many affiliated HCPs does a typical Illinois hospital have?

The median Illinois hospital that reports affiliated HCPs has 244 HCPs, out of 201 that report them.

How often is this list updated?

Every month, when the Dmand AI database refreshes. This version is from Oct 28, 2026.

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