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, 101 to 150
#	Medical group	Parent organization	Physicians	HCPs	Decision makers
101	Tower Health Urgent CareDouglassville · 17 sites	Parent on file	42	167	Decision makers
102	PMA Medical Specialists - Audubon SquareAudubon · 15 sites	-	42	69	Decision makers
103	The Wright Center for Community HealthScranton · 16 sites	Parent on file	41	108	Decision makers
104	TriValley Primary Care, PCPerkasie · 13 sites	-	41	82	Decision makers
105	Centerville ClinicsFredericktown · 16 sites	Parent on file	41	81	Decision makers
106	UPMC Primary Care, Somerset Family PracticeSomerset · 12 sites	Parent on file	41	69	Decision makers
107	St. Luke's University Hospital - BethlehemBethlehem · 2 sites	Parent on file	40	158	Decision makers
108	Genesis Medical AssociatesPittsburgh · 14 sites	-	40	107	Decision makers
109	St. Luke's University Health NetworkBethlehem · 4 sites	Parent on file	38	163	Decision makers
110	UPMC Hillman Cancer CenterPittsburgh · 19 sites	Parent on file	38	124	Decision makers
111	UPMC Hillman Cancer Center, Independence Health SystemGreensburg · 9 sites	Parent on file	38	56	Decision makers
112	Tower-Drexel Academic Medical GroupPhiladelphia · 13 sites	Parent on file	38	46	Decision makers
113	Delaware Valley Community HealthPhiladelphia · 9 sites	Parent on file	37	98	Decision makers
114	Adfinitas HealthWilkes Barre · 9 sites	Parent on file	37	62	Decision makers
115	The Heart Group of Lancaster General HealthLancaster · 7 sites	Parent on file	36	65	Decision makers
116	Corry Memorial Hospital Rural Health ClinicCorry · 3 sites	Parent on file	36	60	Decision makers
117	Suburban GeriatricsPlymouth Meeting · 2 sites	Parent on file	35	125	Decision makers
118	Suburban GeriatricsPlymouth Meeting · 1 site	Parent on file	33	119	Decision makers
119	Suburban GeriatricsPlymouth Meeting · 1 site	Parent on file	33	115	Decision makers
120	Tri-County Health and Wellness CenterPhoenixville · 6 sites	-	33	63	Decision makers
121	Critical Care Physicians of PennsylvaniaSellersville · 5 sites	Parent on file	33	53	Decision makers
122	Alliance Cancer SpecialistsSellersville · 11 sites	-	33	50	Decision makers
123	Pottstown Medical Specialists, Inc.Pottstown · 14 sites	Parent on file	31	53	Decision makers
124	ARS Treatment CentersUniontown · 61 sites	Parent on file	30	147	Decision makers
125	Geisinger St. Luke's Health Center - PottsvillePottsville · 1 site	Parent on file	30	138	Decision makers
126	LG Health Physicians Family Medicine Twin Rose - ColumbiaColumbia · 17 sites	Parent on file	30	76	Decision makers
127	Mercy Fitzgerald HospitalPhiladelphia · 3 sites	Parent on file	30	37	Decision makers
128	Pinnacle Physicians GroupTrevose · 17 sites	-	29	53	Decision makers
129	Partners in Nephrology & Endocrinology (PINE)Pittsburgh · 14 sites	Parent on file	29	51	Decision makers
130	Chester County HospitalWest Chester · 3 sites	Parent on file	29	44	Decision makers
131	Specialty Care at PCOMPhiladelphia · 6 sites	Parent on file	29	35	Decision makers
132	East Liberty Family Health Care CenterPittsburgh · 5 sites	Parent on file	27	54	Decision makers
133	Clinical Renal AssociatesChester · 17 sites	Parent on file	27	43	Decision makers
134	Meadville Medical Center Primary Care ServicesMeadville · 17 sites	Parent on file	27	42	Decision makers
135	Valley Kidney SpecialistsAllentown · 13 sites	-	27	35	Decision makers
136	Union Community CareLancaster · 25 sites	Parent on file	26	93	Decision makers
137	Esperanza Health CenterPhiladelphia · 5 sites	Parent on file	26	61	Decision makers
138	Primary Care Health Services, Inc.Pittsburgh · 6 sites	Parent on file	26	57	Decision makers
139	Mercer Bucks Medical AssociatesLevittown · 23 sites	Parent on file	26	44	Decision makers
140	Inhospital PhysiciansPhiladelphia · 8 sites	Parent on file	26	37	Decision makers
141	UPMC Hillman Cancer CenterHarrisburg · 10 sites	Parent on file	25	51	Decision makers
142	UPMC Primary Care, Wellsboro Office of Internal MedicineWellsboro · 6 sites	Parent on file	25	44	Decision makers
143	AMS CardiologyAbington · 3 sites	-	25	25	Decision makers
144	AMS CardiologyHorsham · 3 sites	-	24	34	Decision makers
145	Advanced Inpatient Medicine Transitional CareWilkes Barre · 8 sites	Parent on file	23	54	Decision makers
146	CritAcuity Medical GroupEast Norriton · 6 sites	Parent on file	23	54	Decision makers
147	Meadville Medical CenterMeadville · 8 sites	Parent on file	23	35	Decision makers
148	Roxborough Express CarePhiladelphia · 6 sites	Parent on file	23	27	Decision makers
149	Clearfield-Jefferson Primary Care AssociatesDu Bois · 16 sites	-	22	95	Decision makers
150	UPMC KaneKane · 9 sites	Parent on file	22	42	Decision makers

Showing 101 to 150 of 991 primary care groups in Pennsylvania

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

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