Updated October 2026

Largest primary care groups in Illinois

Medical group directory
Illinois
Primary care

Groups: 1,232
Internal Medicine groups: 586
Family Medicine groups: 306
Internal medicine specialists: 7,661
Family physicians: 1,436

There are 1,232 primary care groups in Illinois with a Medicare PAC ID: 586 internal medicine, 306 family medicine, 302 nurse practitioner, 28 physician assistant, 7 general practice and 3 clinical nurse specialist. Northwestern Medical Faculty Foundation is the largest internal medicine group, with 920 internal medicine specialists, and PCC Community Wellness Center the largest family medicine group, with 93 family physicians.

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Northwestern Medical Faculty Foundation is the largest primary care group in Illinois, with 3,118 physicians

Ranked by physicians with an Illinois address linked to each group. Endeavor Health Medical Group is second with 3,048, and Dreyer Medical Clinic (Advocate Medical Group) third with 3,020. 59 Illinois groups have 100 or more physicians.

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Primary care groups in Illinois, ranked by physicians, 901 to 950
#	Medical group	Parent organization	Physicians	HCPs	Decision makers
901	Excel Kidney CareChicago · 1 site	-	1	2	Decision makers
902	Expert Kidney MDElk Grove Village · 3 sites	-	1	2	Decision makers
903	Family Health Center of Plainfield & Med SpaPlainfield · 1 site	-	1	2	Decision makers
904	Family Home Health NetworkAddison · 1 site	Parent on file	1	2	Decision makers
905	First Care Express CareSwansea · 1 site	-	1	2	Decision makers
906	FirstCare Urgent Care CenterBedford Park · 1 site	Parent on file	1	2	Decision makers
907	Forefront Adult & Pediatric CareMokena · 1 site	-	1	2	Decision makers
908	Fox Valley OrthopedicsGeneva · 1 site	Parent on file	1	2	Decision makers
909	Fred J. Halloran, MD, SCHuntley · 1 site	Parent on file	1	2	Decision makers
910	Fullerton Surgery CenterChicago · 1 site	Parent on file	1	2	Decision makers
911	GAH Pain ClinicBloomington · 1 site	Parent on file	1	2	Decision makers
912	Gastroenterology Care of Southern IllinoisHerrin · 2 sites	-	1	2	Decision makers
913	Geetha Reddy MD FACCLibertyville · 1 site	-	1	2	Decision makers
914	Geriatric Professional ServicesNaperville · 1 site	-	1	2	Decision makers
915	Global Health Care, SCPark Ridge · 1 site	Parent on file	1	2	Decision makers
916	GO GastroenterologyChicago · 1 site	-	1	2	Decision makers
917	Greenleaf Medical AssociatesPark City · 1 site	-	1	2	Decision makers
918	Heal At Home LLCSouth Elgin · 1 site	Parent on file	1	2	Decision makers
919	Healing Touch Medical CareBloomingdale · 1 site	-	1	2	Decision makers
920	HealthONE Medical CenterBloomingdale · 1 site	-	1	2	Decision makers
921	Heyer Devarapalli, MD, SCArlington Heights · 1 site	-	1	2	Decision makers
922	Hobson Meadows Family MedicineNaperville · 1 site	-	1	2	Decision makers
923	Home Health MedicalOak Lawn · 1 site	Parent on file	1	2	Decision makers
924	Hospitalist Consultants Group S.C.Lisle · 1 site	-	1	2	Decision makers
925	Illinois Adult HealthcareElk Grove Village · 1 site	Parent on file	1	2	Decision makers
926	Illinois Back InstituteArlington Heights · 1 site	-	1	2	Decision makers
927	Illinois Bariatric CenterClinton · 1 site	-	1	2	Decision makers
928	Innovation Health SCGlenview · 2 sites	-	1	2	Decision makers
929	Intermed, Ltd.La Grange Park · 1 site	-	1	2	Decision makers
930	Internal Medicine Specialists of Southern IllinoisBelleville · 1 site	-	1	2	Decision makers
931	Ivanchenko Pain and RehabBuffalo Grove · 1 site	-	1	2	Decision makers
932	Jacek Grela, MD, S.C.Lemont · 2 sites	Parent on file	1	2	Decision makers
933	Jasmine Wang Chao, D.O., Ltd.Glenview · 1 site	-	1	2	Decision makers
934	Joseph B. Pigato, MD UrologyKankakee · 1 site	-	1	2	Decision makers
935	Lake Shore Adult & Geriatric MedicineChicago · 1 site	-	1	2	Decision makers
936	Lake-Cook Healthcare ServicesWaukegan · 1 site	-	1	2	Decision makers
937	Leszek J Ballarin MD, SCChicago · 1 site	-	1	2	Decision makers
938	Lifespan Medical AssociatesArlington Heights · 1 site	-	1	2	Decision makers
939	Lincoln Park Heart CenterChicago · 1 site	-	1	2	Decision makers
940	Mannheim Medical AssociatesFranklin Park · 1 site	Parent on file	1	2	Decision makers
941	Mansoor Khan MD, SCElk Grove Village · 2 sites	Parent on file	1	2	Decision makers
942	Master Medical Care LLCSwansea · 1 site	-	1	2	Decision makers
943	MDOC PCBarrington · 1 site	-	1	2	Decision makers
944	Medical Health ClinicDes Plaines · 1 site	-	1	2	Decision makers
945	Mellon Litigation ServicesJoliet · 1 site	-	1	2	Decision makers
946	Metropolitan Cardiovascular AssociatesBloomingdale · 1 site	-	1	2	Decision makers
947	Midwest Respiratory Ltd.Burr Ridge · 1 site	-	1	2	Decision makers
948	Midwest Vascular and Pain SpecialistsWestchester · 1 site	-	1	2	Decision makers
949	Millennium Park Medical AssociatesChicago · 1 site	-	1	2	Decision makers
950	MPS Kohli, MD S.C.Hinsdale · 1 site	-	1	2	Decision makers

Showing 901 to 950 of 1,232 primary care groups in Illinois

Sources: Doctors and Clinicians National Downloadable File (CMS) and Dmand AI Affiliation Data

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