Updated October 2026

Medical groups in Illinois

Medical group directory
Illinois

Medical groups: 4,250
Multi-specialty: 847
Single-specialty: 3,403
More than one site: 1,970
100+ physicians: 73

There are 4,250 medical groups in Illinois with a Medicare PAC ID. Northwestern Medical Faculty Foundation is the largest, with 3,118 Illinois physicians. Northwestern Medicine has the most physicians across its groups, 3,995, and 69% of Illinois groups are independent.

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Northwestern Medical Faculty Foundation is the largest medical 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. 73 Illinois groups have 100 or more physicians.

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Medical groups in Illinois, ranked by physicians, 1,001 to 1,050
#	Medical group	Parent organization	Physicians	HCPs	Decision makers
1001	Psychiatric Associates of Central IllinoisSpringfield · 2 sites	-	3	10	Decision makers
1002	Quad City GastroenterologyMoline · 3 sites	-	3	10	Decision makers
1003	Suburban Behavioral Health ServicesOakbrook Terrace · 2 sites	-	3	10	Decision makers
1004	First Connect Health ServicesLincolnshire · 1 site	Parent on file	3	9	Decision makers
1005	Healing Hands Physicians, Inc.Park Ridge · 1 site	-	3	9	Decision makers
1006	Heals on WheelsPark Ridge · 1 site	Parent on file	3	9	Decision makers
1007	Healthonomic Primary CarePalos Heights · 4 sites	-	3	9	Decision makers
1008	ID Associates LimitedOak Brook · 2 sites	-	3	9	Decision makers
1009	Jefferson Park Medical GroupChicago · 1 site	-	3	9	Decision makers
1010	Physicians House CallsPark Ridge · 1 site	-	3	9	Decision makers
1011	Chicago Infectious Disease Physicians GroupOrland Park · 4 sites	-	3	8	Decision makers
1012	Digestive Disease SpecialistsMoline · 5 sites	-	3	8	Decision makers
1013	Neuropsychiatric Associates of IllinoisVernon Hills · 1 site	-	3	8	Decision makers
1014	Primary Care Services, S.C.Lombard · 1 site	-	3	8	Decision makers
1015	Radial Health GroupHoffman Estates · 2 sites	Parent on file	3	8	Decision makers
1016	Sandeep Chandra MD SCBurbank · 2 sites	Parent on file	3	8	Decision makers
1017	Southern Illinois GI SpecialistsCarbondale · 2 sites	-	3	8	Decision makers
1018	Transitions of Western IllinoisQuincy · 2 sites	Parent on file	3	8	Decision makers
1019	Chicago GastroChicago · 2 sites	-	3	7	Decision makers
1020	Dr. Susan Rife and Associates Family MedicineOrland Park · 1 site	-	3	7	Decision makers
1021	Heartland Women's HealthcareMount Vernon · 4 sites	Parent on file	3	7	Decision makers
1022	Kraff Eye InstituteChicago · 2 sites	Parent on file	3	7	Decision makers
1023	Naperville InternistNaperville · 4 sites	-	3	7	Decision makers
1024	Nowobilska Medical CenterChicago · 2 sites	-	3	7	Decision makers
1025	Pinnacle Pain Management SpecialistsHinsdale · 1 site	-	3	7	Decision makers
1026	Shahbain Internal Medicine, Ltd.Orland Park · 8 sites	-	3	7	Decision makers
1027	Access Health CenterDowners Grove · 2 sites	-	3	6	Decision makers
1028	Allergy, Asthma & Immunology Center, SCShiloh · 1 site	-	3	6	Decision makers
1029	Avid Primary CareOrland Park · 1 site	-	3	6	Decision makers
1030	Avid Primary CareOrland Park · 1 site	-	3	6	Decision makers
1031	Avid Urgent CareOrland Park · 1 site	Parent on file	3	6	Decision makers
1032	Elder Care PhysiciansLombard · 1 site	-	3	6	Decision makers
1033	Gynecologic Cancer Institute of ChicagoOak Lawn · 2 sites	-	3	6	Decision makers
1034	Healing Hands Primary CareSchaumburg · 1 site	-	3	6	Decision makers
1035	Heart of Illinois OB-GYNBloomington · 1 site	-	3	6	Decision makers
1036	Illinois Cardiovascular SpecialistsBarrington · 4 sites	-	3	6	Decision makers
1037	Illinois Lung and Interventional Pulmonary AssociatesSchaumburg · 1 site	-	3	6	Decision makers
1038	Infectious Disease Consultants of Northern IllinoisLibertyville · 1 site	-	3	6	Decision makers
1039	Kaminska DermatologyChicago · 3 sites	-	3	6	Decision makers
1040	North Shore InfusionSkokie · 2 sites	Parent on file	3	6	Decision makers
1041	Signature Medical GroupArlington Heights · 2 sites	-	3	6	Decision makers
1042	Skyline HealthcareNiles · 1 site	-	3	6	Decision makers
1043	The Center for Integrative and Functional Health and WellnessBloomingdale · 1 site	-	3	6	Decision makers
1044	Windy City AnesthesiaFrankfort · 5 sites	Parent on file	3	6	Decision makers
1045	Advanced Pain & Spine ManagementArlington Heights · 1 site	-	3	5	Decision makers
1046	Ahuja Bariatric & BeyondMount Vernon · 1 site	-	3	5	Decision makers
1047	Allergy & Asthma Associates of DuPageNaperville · 3 sites	Parent on file	3	5	Decision makers
1048	Arlington DermatologyRolling Meadows · 1 site	-	3	5	Decision makers
1049	Associates In DermatologyBloomington · 1 site	-	3	5	Decision makers
1050	Clear Skin Dermatology & Cosmetic SurgerySaint Charles · 3 sites	-	3	5	Decision makers

Showing 1,001 to 1,050 of 4,250 medical groups in Illinois

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

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