Hospitals in Illinois
- Hospitals
- 207
- Staffed beds
- 29,567
- Systems with 2+ hospitals
- 29
- Outpatient sites
- 961
- Affiliated HCPs
- 57,294
There are 207 hospitals in Illinois, across 141 cities, counting every hospital with a CMS certification number. Northwestern Memorial Hospital in Chicago is the largest, with 930 staffed beds, followed by University of Chicago Medical Center with 737. OSF HealthCare runs the most Illinois hospitals, 17.
Find the decision makers at all 207 Illinois hospitals
Work emails and mobile numbers for 7,524 executives and department leaders, found through healthcare waterfall enrichment, with a free Dmand AI account.
Northwestern Memorial Hospital is the largest hospital in Illinois, with 930 beds
Ranked by staffed beds in each hospital's latest CMS cost report. University of Chicago Medical Center in Chicago is second with 737 beds, and Advocate Christ Medical Center in Oak Lawn is third with 727. Three of the 10 largest are in Chicago.
Sources: Hospital Provider Cost Report (CMS) and Dmand AI Affiliation Data
There are 207 hospitals in Illinois, across 141 cities
The full list of Illinois hospitals, A to Z. 114 are acute care hospitals. Open a profile for beds, affiliated HCPs, the org hierarchy and the leadership team.
Filter this list with a free account
Sort and filter all 207 Illinois hospitals by hospital type, city, health system, staffed beds, EHR vendor and leaders on file in Dmand AI.
Showing 1 to 10 of 207 hospitals in Illinois
Sources: Provider of Services File (CMS) and Dmand AI Org Hierarchy Data
OSF HealthCare is the largest hospital system in Illinois, with 17 hospitals
Dmand AI maps every hospital to its parent organization, up to the health system. 29 health systems and parent organizations run two or more Illinois hospitals. By staffed beds, Advocate Health is the largest, with 3,006 beds across 8 hospitals. HCPs are counted at each hospital, so a clinician at two hospitals counts twice.
See every hospital, outpatient site and medical group under OSF HealthCare
Org Hierarchy Explorer maps the system down to each site of care, with the executives and department leaders at each one.
Source: Dmand AI Org Hierarchy Data
For health IT teams
Dmand AI maps the EHR in use at each Illinois hospital and the IT leaders who run it, from the CIO to IT directors, with validated work emails and direct dials.
7,524 executives and department leaders work at Illinois hospitals
Dmand AI tracks leadership at every Illinois hospital, from the C-suite to directors, and finds work emails and direct dials through healthcare waterfall enrichment.
Leaders by department
- Executive leadership1,069, names and contacts available with a free account
- Operations and administration690, names and contacts available with a free account
- Physicians and medical leadership653, names and contacts available with a free account
- Service lines and programs496, names and contacts available with a free account
- Other / unclassified411, names and contacts available with a free account
- Nursing leadership402, names and contacts available with a free account
- Marketing and patient experience307, names and contacts available with a free account
- Diagnostics304, names and contacts available with a free account
- Human resources250, names and contacts available with a free account
- Facilities and support services227, names and contacts available with a free account
Get work emails and mobile numbers for leaders at all 207 Illinois hospitals
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Source: Dmand AI Executive Data
Acute care hospitals are the most common type of Illinois hospital, with 114
Illinois hospitals by type
- Acute care hospitals114
- Critical access hospitals55
- Psychiatric hospitals17
- Inpatient rehabilitation hospitals8
- VA medical centers5
- Long-term care hospitals5
- Children's hospitals3
Ownership, teaching and emergency care
Sources: Provider of Services File (CMS) and Hospital Provider Cost Report (CMS)
57,294 HCPs practice at Illinois hospitals, 35,223 of them physicians
Each clinician is counted once, across every Illinois hospital where they have a current affiliation.
HCPs at Illinois hospitals by type
- Physicians (MD, DO)35,223
- Nurses and nurse practitioners12,349
- Physician assistants4,140
- Behavioral health clinicians2,102
- Other HCPs3,480
Largest physician specialties at Illinois hospitals
- Internal medicine4,677
- Family medicine4,076
- Emergency medicine2,563
- Anesthesiology1,808
- Diagnostic radiology1,728
- Hospitalist1,468
- Obstetrics and gynecology1,251
- Pediatrics1,144
Source: Dmand AI Affiliation Data
Chicago has the most hospitals in Illinois, with 37
More Illinois cities with two or more hospitals
- Anna2
- Aurora2
- Danville2
- Decatur2
- Des Plaines2
- Evanston2
- Hines2
- Hinsdale2
- Hoffman Estates2
- Kankakee2
- Libertyville2
- Marion2
- Mount Vernon2
- Naperville2
- New Lenox2
- Oak Park2
- Urbana2
- Waukegan2
117 more Illinois cities have one hospital each. They are all in the list above.
Source: Provider of Services File (CMS)
Each Illinois hospital profile shows beds, the org hierarchy, HCPs and leaders
- Beds, discharges and revenueStaffed beds, inpatient discharges and net patient revenue from CMS cost reportsOn every profile
- Health system and sister hospitalsThe parent system and a sample of its other hospitalsOn every profile
- Affiliated HCPsA count by specialty and a sample of the physicians who practice thereOn every profile
- Size ranksRank by beds, discharges and revenue in the state and the USOn every profile
- Every outpatient site and unitThe full org tree below the hospital, site by siteWith a free account
- Executive contactsWork emails and direct dials for the C-suite and department leadersWith a free account
- EHR and technologyInpatient EHR vendor and the technology products in useWith a free account
- Full HCP rosterEvery affiliated clinician, with contactsWith a free account
Free account: 30 days free, self-serve, no credit card.
Sources: Hospital Provider Cost Report (CMS), Dmand AI Org Hierarchy Data and Dmand AI Affiliation Data
Sources for the Illinois hospital directory
| Data on this page | Source |
|---|---|
| Hospitals, types and services | Provider of Services File (CMS) |
| Beds, discharges and revenue | Hospital Provider Cost Report (CMS) |
| Health systems and outpatient sites | Dmand AI Org Hierarchy Data |
| Affiliated HCPs | Dmand AI Affiliation Data |
| Executives and department leaders | Dmand AI Executive Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
The directory counts hospitals with a CMS certification number (CCN). Beds come from each hospital's latest cost report.
FAQ
Frequently asked questions about hospitals in Illinois
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
How many hospitals are in Illinois?
There are 207 hospitals in Illinois with a CMS certification number: 114 acute care hospitals, 55 critical access hospitals and 38 others, in 141 cities.
What is the largest hospital in Illinois?
Northwestern Memorial Hospital in Chicago, with 930 staffed beds in its latest CMS cost report. University of Chicago Medical Center is second with 737, and Advocate Christ Medical Center is third with 727.
Which health system has the most hospitals in Illinois?
OSF HealthCare, with 17 hospitals, followed by Northwestern Medicine with 9 and HSHS with 9.
What are the major hospitals in Illinois?
The five biggest by staffed beds are Northwestern Memorial Hospital (930), University of Chicago Medical Center (737), Advocate Christ Medical Center (727), Evanston Hospital (691) and OSF Saint Francis Medical Center (642).
Which city in Illinois has the most hospitals?
Chicago, with 37 hospitals. Peoria and Rockford follow with 4 each.
How do I find a hospital's CCN or NPI?
Each Illinois hospital profile lists its CMS certification number (CCN) and NPI at the top, next to the address and main phone number.
How do I find decision makers at Illinois hospitals?
Dmand AI tracks 7,524 executives and department leaders at Illinois hospitals. Filter by hospital, health system, department or title, then get work emails and mobile numbers through waterfall enrichment. 30 days free, self-serve, no credit card.
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