Acute care hospitals in Illinois
- Acute care hospitals
- 114
- Staffed beds
- 24,381
- Teaching hospitals
- 59
- Outpatient sites
- 872
- Affiliated HCPs
- 51,742
There are 114 acute care hospitals in Illinois, across 75 cities. 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 acute care hospitals, 11.
Find the decision makers at all 114 Illinois acute care hospitals
Work emails and mobile numbers for 6,090 executives and department leaders, found through healthcare waterfall enrichment, with a free Dmand AI account.
Northwestern Memorial Hospital is the largest acute care 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 114 acute care hospitals in Illinois, across 75 cities
A hospital that treats patients for a short stay after a sudden illness, injury or surgery, usually with an emergency department. Illinois has 114, A to Z below. 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 114 Illinois acute care hospitals by city, health system, staffed beds, EHR vendor and leaders on file in Dmand AI.
Showing 1 to 50 of 114 acute care hospitals in Illinois
Sources: Provider of Services File (CMS) and Dmand AI Org Hierarchy Data
OSF HealthCare runs the most Illinois acute care hospitals, with 11
Dmand AI maps every hospital to its parent organization, up to the health system. 21 health systems and parent organizations run two or more Illinois acute care 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 acute care hospital and the IT leaders who run it, from the CIO to IT directors, with validated work emails and direct dials.
6,090 executives and department leaders work at Illinois acute care hospitals
Dmand AI tracks leadership at every Illinois acute care hospital, from the C-suite to directors, and finds work emails and direct dials through healthcare waterfall enrichment.
Leaders by department
- Executive leadership852, names and contacts available with a free account
- Operations and administration569, names and contacts available with a free account
- Physicians and medical leadership567, names and contacts available with a free account
- Service lines and programs403, names and contacts available with a free account
- Nursing leadership350, names and contacts available with a free account
- Other / unclassified348, names and contacts available with a free account
- Diagnostics248, names and contacts available with a free account
- Marketing and patient experience229, names and contacts available with a free account
- Human resources183, names and contacts available with a free account
- Facilities and support services175, names and contacts available with a free account
Get work emails and mobile numbers for leaders at all 114 Illinois acute care hospitals
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Source: Dmand AI Executive Data
100 of the 114 Illinois acute care hospitals are nonprofit, according to CMS
8 are for-profit and 6 are run by a government. 59 are teaching hospitals, 111 have an emergency department and 45 are trauma centers.
Sources: Provider of Services File (CMS) and Hospital Provider Cost Report (CMS)
Northwestern Medicine Central DuPage Hospital has the most affiliated doctors of any Illinois acute care hospital, with 3,584
Across all 114 Illinois acute care hospitals, 51,742 HCPs have a current affiliation, 32,425 of them physicians. Each clinician is counted once. Northwestern Memorial Hospital is second with 2,851 affiliated physicians.
HCPs at Illinois acute care hospitals by type
- Physicians (MD, DO)32,425
- Nurses and nurse practitioners11,052
- Physician assistants3,900
- Behavioral health clinicians1,616
- Other HCPs2,749
Largest physician specialties at Illinois acute care hospitals
- Internal medicine4,414
- Family medicine3,825
- Emergency medicine2,435
- Anesthesiology1,769
- Diagnostic radiology1,631
- Hospitalist1,418
- Obstetrics and gynecology1,230
- Cardiovascular disease860
Source: Dmand AI Affiliation Data
Chicago has the most acute care hospitals in Illinois, with 26
More Illinois cities with two or more acute care hospitals
- Elgin2
- Evanston2
- Kankakee2
- Mount Vernon2
- Oak Park2
- Springfield2
- Urbana2
75 Illinois cities have at least one acute care hospital. City pages list every hospital type.
Source: Provider of Services File (CMS)
Each Illinois acute care 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 acute care 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) that CMS classifies as acute care hospitals. Beds come from each hospital's latest cost report.
FAQ
Frequently asked questions about acute care 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 acute care hospitals are in Illinois?
There are 114 acute care hospitals in Illinois, in 75 cities, with 24,381 staffed beds between them.
What is an acute care hospital?
A hospital that treats patients for a short stay after a sudden illness, injury or surgery, usually with an emergency department. CMS calls them short-term acute care hospitals; critical access, psychiatric, rehabilitation and long-term care hospitals are separate types.
What is the largest acute care 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 acute care hospitals in Illinois?
OSF HealthCare, with 11 acute care hospitals, followed by Advocate Health with 8 and Northwestern Medicine with 7.
How many Illinois acute care hospitals are nonprofit?
100 of 114, according to CMS ownership records. 8 are for-profit and 6 are government hospitals.
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 6,090 executives and department leaders at Illinois acute care hospitals. Filter by hospital, health system, department or title, then get work emails and mobile numbers through waterfall enrichment.
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