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, 201 to 250
#	Medical group	Parent organization	Physicians	HCPs	Decision makers
201	Oak Street HealthEast Saint Louis · 2 sites	Parent on file	12	21	Decision makers
202	Fox Valley Medical AssociatesAurora · 3 sites	-	12	15	Decision makers
203	Southwest Nephrology AssociatesOrland Park · 3 sites	-	12	15	Decision makers
204	Stat CardiologistSchaumburg · 4 sites	-	11	33	Decision makers
205	Christian Community Health CenterChicago · 6 sites	Parent on file	11	32	Decision makers
206	Omni HealthcareChicago · 5 sites	-	11	32	Decision makers
207	Asad Zaman MD SCTinley Park · 3 sites	-	11	22	Decision makers
208	Skyline PhysiciansGlen Ellyn · 2 sites	-	11	16	Decision makers
209	Lawn Medical CenterOak Lawn · 1 site	-	11	13	Decision makers
210	Michigan Avenue Immediate CareChicago · 2 sites	-	11	13	Decision makers
211	Integrated Wound ConsultantsLombard · 2 sites	-	11	12	Decision makers
212	Michigan Avenue Internists, LLCChicago · 2 sites	-	11	12	Decision makers
213	Southwest Infectious Disease & Internal MedicinePalos Heights · 3 sites	-	11	12	Decision makers
214	Forward Focus Concierge MedicineLake Forest · 3 sites	-	11	11	Decision makers
215	Internal Medicine AssociatesChicago · 2 sites	-	11	11	Decision makers
216	Hansa Medical GroupeSkokie · 22 sites	-	10	50	Decision makers
217	Litchfield Family Practice CenterLitchfield · 1 site	-	10	31	Decision makers
218	Deaconess Illinois ClinicColumbia · 12 sites	Parent on file	10	29	Decision makers
219	Red Bud Health ClinicRed Bud · 1 site	Parent on file	10	20	Decision makers
220	United Woundcare InstituteNaperville · 2 sites	Parent on file	10	20	Decision makers
221	Riverside MedicalArlington Heights · 1 site	-	10	16	Decision makers
222	NANI - Nephrology Associates of Northern Illinois & IndianaOak Brook · 4 sites	-	10	15	Decision makers
223	RML Specialty HospitalHinsdale · 1 site	Parent on file	10	13	Decision makers
224	Aspirus Divine Savior HospitalChicago · 5 sites	Parent on file	10	11	Decision makers
225	Family Care AssociatesChicago · 2 sites	-	10	11	Decision makers
226	Howard Young Medical CenterChicago · 1 site	Parent on file	10	11	Decision makers
227	Aspirus Pulmonary & Critical CareChicago · 48 sites	Parent on file	10	10	Decision makers
228	Covenant Medical GroupGlenview · 1 site	-	10	10	Decision makers
229	Northwest Hospitalist PhysiciansChicago · 13 sites	-	10	10	Decision makers
230	RML Specialty HospitalChicago · 2 sites	Parent on file	10	10	Decision makers
231	Primary Care JolietJoliet · 3 sites	-	9	34	Decision makers
232	SIH Logan Primary Care HerrinHerrin · 4 sites	Parent on file	9	32	Decision makers
233	Central Counties Health CentersSpringfield · 3 sites	Parent on file	9	25	Decision makers
234	Beyond Wound CareSchaumburg · 2 sites	-	9	20	Decision makers
235	Joint Relief InstituteOrland Park · 3 sites	-	9	20	Decision makers
236	Chicago Wound CarePark Ridge · 2 sites	Parent on file	9	18	Decision makers
237	Southwest Urgent CareEvergreen Park · 3 sites	Parent on file	9	18	Decision makers
238	IMAN Health CenterChicago · 3 sites	Parent on file	9	17	Decision makers
239	Massac Memorial HospitalMetropolis · 4 sites	Parent on file	9	17	Decision makers
240	Rush Oak Park Physicians GroupOak Park · 2 sites	Parent on file	9	15	Decision makers
241	Ignite Hospitalists, LLCAurora · 1 site	-	9	11	Decision makers
242	Advanced Heart GroupHarvey · 2 sites	-	9	10	Decision makers
243	NANI VascularOak Brook · 2 sites	-	9	9	Decision makers
244	Northern Illinois Medical AssociatesSycamore · 6 sites	-	8	25	Decision makers
245	Forever Care Home PhysiciansDes Plaines · 3 sites	-	8	21	Decision makers
246	SIH Primary Care HarrisburgHarrisburg · 1 site	Parent on file	8	20	Decision makers
247	Solvera HealthPeoria · 3 sites	-	8	20	Decision makers
248	University of Michigan Health-SparrowChicago · 69 sites	Parent on file	8	15	Decision makers
249	Raby Institute for Integrative Medicine at NorthwesternChicago · 2 sites	-	8	14	Decision makers
250	Primary Care AssociatesBerwyn · 2 sites	-	8	12	Decision makers

Showing 201 to 250 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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