Updated October 2026

Largest primary care groups in Pennsylvania

Medical group directory
Pennsylvania
Primary care

Groups: 991
Internal Medicine groups: 462
Family Medicine groups: 310
Internal medicine specialists: 8,834
Family physicians: 2,350

There are 991 primary care groups in Pennsylvania with a Medicare PAC ID: 462 internal medicine, 310 family medicine, 155 nurse practitioner, 48 physician assistant and 15 general practice. Penn Medicine Lancaster General Health is the largest internal medicine group, with 972 internal medicine specialists, and Phoenix Physical Therapy the largest family medicine group, with 604 family physicians.

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University of Pittsburgh Physicians, Department of Radiology is the largest primary care group in Pennsylvania, with 3,361 physicians

Ranked by physicians with a Pennsylvania address linked to each group. Penn Medicine Lancaster General Health is second with 2,843, and Geisinger third with 2,514. 68 Pennsylvania groups have 100 or more physicians.

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Primary care groups in Pennsylvania, ranked by physicians, 51 to 100
#	Medical group	Parent organization	Physicians	HCPs	Decision makers
51	Blair Medical AssociatesAltoona · 43 sites	-	193	355	Decision makers
52	WellSpan Behavioral HealthLewisburg · 28 sites	Parent on file	182	318	Decision makers
53	Doylestown Health Vascular SurgeryDoylestown · 29 sites	Parent on file	175	262	Decision makers
54	Drexel Psychological Services CenterPhiladelphia · 34 sites	Parent on file	169	270	Decision makers
55	Jefferson Abington HospitalAbington · 19 sites	Parent on file	161	163	Decision makers
56	Penn Presbyterian Medical CenterPhiladelphia · 14 sites	Parent on file	148	190	Decision makers
57	Heritage Valley Multispecialty GroupBeaver · 48 sites	Parent on file	145	299	Decision makers
58	Montgomery Family PracticeNorristown · 26 sites	Parent on file	142	187	Decision makers
59	Penn State Health St. Joseph Medical GroupReading · 20 sites	Parent on file	141	250	Decision makers
60	Vantage Physical Therapy and RehabilitationJohnstown · 39 sites	-	134	245	Decision makers
61	Clinical Specialty AssociatesBala Cynwyd · 25 sites	Parent on file	133	189	Decision makers
62	Chestnut Hill Hospital - Temple HealthPhiladelphia · 29 sites	Parent on file	120	164	Decision makers
63	Meadville Medical CenterMeadville · 22 sites	Parent on file	115	180	Decision makers
64	IRMC Physician GroupIndiana · 35 sites	Parent on file	114	217	Decision makers
65	MRS Physical TherapyBeaver · 26 sites	-	113	153	Decision makers
66	Washington Physicians GroupWashington · 28 sites	Parent on file	111	174	Decision makers
67	Cardiology Consultants of PhiladelphiaPhila · 25 sites	Parent on file	104	167	Decision makers
68	Premier Medical Associates, P.C.Monroeville · 14 sites	Parent on file	102	175	Decision makers
69	Philadelphia Department of Public Health, Health Center 2Philadelphia · 22 sites	Parent on file	99	172	Decision makers
70	Bryn Mawr Medical Specialists Association (BMMSA)Bryn Mawr · 13 sites	-	96	171	Decision makers
71	St. Luke's University Health NetworkBethlehem · 49 sites	Parent on file	95	248	Decision makers
72	UPMC Hillman Cancer CenterPittsburgh · 32 sites	Parent on file	93	296	Decision makers
73	H2 HealthNazareth · 20 sites	Parent on file	93	165	Decision makers
74	Physicians Health AllianceScranton · 33 sites	Parent on file	90	111	Decision makers
75	Wayne Memorial HospitalHonesdale · 3 sites	Parent on file	88	129	Decision makers
76	St. Clair Medical Group Hospital MedicinePittsburgh · 14 sites	Parent on file	86	112	Decision makers
77	Grand View HealthSellersville · 16 sites	Parent on file	85	142	Decision makers
78	AFC Urgent Care DowningtownDowningtown · 28 sites	Parent on file	80	201	Decision makers
79	Titusville Area HospitalTitiusville · 19 sites	Parent on file	80	138	Decision makers
80	WellSpan Urology - LebanonLebanon · 37 sites	Parent on file	79	148	Decision makers
81	PinnacleHealth Cardiovascular InstituteHarrisburg · 23 sites	Parent on file	72	149	Decision makers
82	Integrated Medical Group P.C.Pottsville · 41 sites	-	72	136	Decision makers
83	CommunityCare Kistler ClinicWilkes Barre · 10 sites	-	67	126	Decision makers
84	LECOM Health Shoreline Primary CareErie · 20 sites	Parent on file	65	88	Decision makers
85	St. Luke's Hospital - Miners CampusCoaldale · 15 sites	Parent on file	64	209	Decision makers
86	Pocono HospitalistsEast Stroudsburg · 11 sites	-	64	83	Decision makers
87	Suburban Medical GroupEast Norriton · 19 sites	Parent on file	63	80	Decision makers
88	Preferred Primary Care PhysiciansCanonsburg · 33 sites	-	61	117	Decision makers
89	Kidney Care Specialists-Medical Associates of Drexel HillBroomall · 24 sites	-	61	81	Decision makers
90	Renaissance Family PracticeVerona · 14 sites	Parent on file	60	91	Decision makers
91	PentaHealthExton · 17 sites	-	57	80	Decision makers
92	St. Luke's Quakertown CampusQuakertown · 9 sites	Parent on file	56	189	Decision makers
93	Commonwealth Health Physician NetworkKingston · 22 sites	Parent on file	56	87	Decision makers
94	Advanced Inpatient MedicineScranton · 11 sites	Parent on file	53	73	Decision makers
95	UPMC-GoHealth Urgent CareAllison Park · 67 sites	Parent on file	52	222	Decision makers
96	Medical Associates of ErieErie · 25 sites	Parent on file	52	70	Decision makers
97	Oak Street Health (Aramingo Primary Care Clinic)Philadelphia · 31 sites	Parent on file	51	139	Decision makers
98	vybe urgent carePhiladelphia · 30 sites	Parent on file	50	141	Decision makers
99	ACMH HospitalKittanning · 20 sites	Parent on file	45	77	Decision makers
100	Allegheny Health Network Cancer InstitutePittsburgh · 22 sites	Parent on file	43	119	Decision makers

Showing 51 to 100 of 991 primary care groups in Pennsylvania

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

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