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Markets/Illinois

Healthcare providers and owners in Illinois

Data as of 2026-10-26. Sources: CMS, NPPES and state records; see methodology.

Hospitals
183
Hospital outpatient sites
193
ERs, clinics and campuses
Urgent care centers
370
Nursing homes
604
CMS-certified skilled nursing

Largest hospital systems in Illinois

OSF Healthcare13 · 7.1%Hospital Sisters Healthcare Sys…10 · 5.5%Advocate Health8 · 4.4%The Carle Foundation8 · 4.4%Prime Healthcare Holdings Inc6 · 3.3%Memorial Health System5 · 2.7%Universal Health Services5 · 2.7%NorthShore University HealthSys…5 · 2.7%U.S. Department of Veterans Aff…5 · 2.7%Trinity Health4 · 2.2%
Systems and operators named in public records (CMS ownership, company disclosures); hospitals whose owner is not yet confirmed are left out.

Hospital systems and their outpatient sites in Illinois

All 183 hospitals and 193 hospital outpatient sites, ERs and clinics, tied to the systems that own them, in the full report.

Request the report

Largest urgent care operators in Illinois

Midwest Express Clinic23 · 6.2%Midwest Express Care 2 Inc17 · 4.6%American Current Care Of Illino…17 · 4.6%Insight Chicago, Inc.5 · 1.4%Medexpress Urgent Care Illinois…5 · 1.4%Toofan Medical Holdings, Ltd4 · 1.1%Heartland Women's Healthcare Ltd4 · 1.1%E Mediate Cure LLC4 · 1.1%Medspring Of Texas, Pa4 · 1.1%Trinity Health4 · 1.1%
Each block is 2 urgent care centers.

Largest nursing home groups in Illinois

Legacy Healthcare41 · 6.8%The Alden Network24 · 4.0%Arcadia Care19 · 3.1%Aperion Care19 · 3.1%Wlc Management Firm17 · 2.8%Infinity Healthcare Consulting16 · 2.6%Allure Healthcare Services14 · 2.3%Aliya Healthcare14 · 2.3%Citadel Healthcare14 · 2.3%Pearl Healthcare14 · 2.3%
Groups are CMS affiliated entities: homes that share owners or managers.

Counties

94
CountyHospitalsNursing homesUrgent care
Adams County161
Bond County110
Boone County031
Brown County010
Bureau County131
Carroll County010
Cass County020
Champaign County344
Christian County220
Clark County030
Clay County120
Clinton County140
Coles County141
Cook County51190190
Crawford County110
Cumberland County020
De Witt County110
DeKalb County172
Douglas County030
DuPage County73551
Edgar County130
Edwards County000
Effingham County131
Fayette County131
Ford County140
Franklin County140
Fulton County151
Gallatin County010
Greene County110
Grundy County120
Hamilton County110
Hancock County100
Henderson County010
Henry County250
Iroquois County140
Jackson County220
Jasper County010
Jefferson County232
Jersey County130
Jo Daviess County010
Johnson County010
Kane County62215
Kankakee County251
Kendall County023
Knox County160
Lake County82215
LaSalle County193
Lawrence County110
Lee County122
Livingston County060
Logan County121
Macon County263
Macoupin County150
Madison County6166
Marion County241
Marshall County030
Mason County120
Massac County120
McDonough County130
McHenry County285
McLean County263
Mercer County120
Monroe County021
Montgomery County230
Morgan County140
Moultrie County020
Ogle County140
Peoria County491
Perry County130
Piatt County120
Pike County130
Randolph County330
Richland County120
Rock Island County286
Saline County151
Sangamon County371
Schuyler County110
Scott County010
Shelby County130
St. Clair County4148
Stephenson County151
Tazewell County270
Union County220
Vermilion County341
Wabash County110
Warren County121
Washington County110
Wayne County120
White County020
Whiteside County260
Will County41328
Williamson County351
Winnebago County4145
Woodford County171

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