Updated October 2026

Largest primary care groups in New York

Medical group directory
New York
Primary care

Groups: 2,279
Internal Medicine groups: 1,276
Family Medicine groups: 458
Internal medicine specialists: 15,566
Family physicians: 1,462

There are 2,279 primary care groups in New York with a Medicare PAC ID: 1,276 internal medicine, 458 family medicine, 401 nurse practitioner, 115 physician assistant and 29 general practice. Northwell Health Physician Partners Cardiology at Great Neck is the largest internal medicine group, with 1,723 internal medicine specialists, and CityMD the largest family medicine group, with 153 family physicians.

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Northwell Health Physician Partners Cardiology at Great Neck is the largest primary care group in New York, with 5,741 physicians

Ranked by physicians with a New York address linked to each group. NYU Langone Orthopedic Surgery Associates is second with 5,195, and Mount Sinai Institute for Liver Medicine third with 3,317. 120 New York groups have 100 or more physicians.

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Primary care groups in New York, ranked by physicians, 51 to 100
#	Medical group	Parent organization	Physicians	HCPs	Decision makers
51	Downstate Health PhysiciansBrooklyn · 24 sites	Parent on file	316	346	Decision makers
52	Crystal Run HealthcareMiddletown · 20 sites	Parent on file	312	464	Decision makers
53	Bronx Medical Practice P.C.Bronx · 55 sites	-	304	915	Decision makers
54	East Post Road Medical Services PCWhite Plains · 69 sites	-	295	514	Decision makers
55	Wyckoff Heights Medical CenterBrooklyn · 16 sites	Parent on file	285	399	Decision makers
56	Mercy Hospital of BuffaloBuffalo · 31 sites	Parent on file	284	558	Decision makers
57	Sisters of Charity HospitalBuffalo · 52 sites	Parent on file	280	578	Decision makers
58	Community Care PhysiciansLatham · 64 sites	-	278	550	Decision makers
59	Sun River Health AmeniaAmenia · 78 sites	Parent on file	273	731	Decision makers
60	UHS Medical GroupBinghamton · 37 sites	Parent on file	272	512	Decision makers
61	Saratoga Hospital Medical Group Endocrinology and DiabetesWilton · 44 sites	Parent on file	267	620	Decision makers
62	Department of MedicineSyracuse · 28 sites	Parent on file	265	425	Decision makers
63	Mount Sinai Medical GroupNew York · 29 sites	Parent on file	265	284	Decision makers
64	Memorial Sloan Kettering Cancer CenterNew York · 26 sites	Parent on file	264	502	Decision makers
65	House Call Medical Services Of New YorkBronx · 26 sites	Parent on file	263	951	Decision makers
66	Champlain Valley Physicians HospitalPlattsburgh · 48 sites	Parent on file	243	362	Decision makers
67	Mount Sinai South NassauOceanside · 41 sites	Parent on file	242	388	Decision makers
68	Flushing Hospital Medical CenterMelville · 5 sites	Parent on file	237	349	Decision makers
69	Canton-Potsdam HospitalPotsdam · 17 sites	Parent on file	236	385	Decision makers
70	Erie County Medical Center (ECMC)Buffalo · 24 sites	Parent on file	233	434	Decision makers
71	Southwest Suffolk Medical PCSmithtown · 25 sites	-	230	292	Decision makers
72	Amboy Medical Practice PCStaten Island · 51 sites	Parent on file	226	296	Decision makers
73	FF Thompson HospitalCanandaigua · 23 sites	Parent on file	225	360	Decision makers
74	St. Joseph's HealthSyracuse · 28 sites	Parent on file	217	356	Decision makers
75	The Westchester Medical PracticeYorktown Heights · 31 sites	Parent on file	206	304	Decision makers
76	Cayuga Medical AssociatesIthaca · 46 sites	Parent on file	203	357	Decision makers
77	Trinity MedicalBuffalo · 62 sites	Parent on file	199	376	Decision makers
78	Memorial Hematology Lymphoma GroupNew York · 23 sites	Parent on file	196	437	Decision makers
79	SBH PhysiciansBronx · 18 sites	Parent on file	192	273	Decision makers
80	Guthrie Lourdes HospitalBinghamton · 37 sites	Parent on file	189	420	Decision makers
81	Mount St. Mary's HospitalLewiston · 12 sites	Parent on file	185	341	Decision makers
82	SUNY Downstate Health Sciences UniversityBrooklyn · 11 sites	Parent on file	181	189	Decision makers
83	Buffalo Medical GroupWilliamsville · 28 sites	-	177	371	Decision makers
84	Kenmore Mercy HospitalKenmore · 1 site	Parent on file	175	329	Decision makers
85	Auburn Community HospitalAuburn · 7 sites	Parent on file	174	282	Decision makers
86	Memorial Sloan Kettering Cancer CenterNew York · 23 sites	Parent on file	169	337	Decision makers
87	Arnot Ogden Medical CenterElmira · 16 sites	Parent on file	169	277	Decision makers
88	University of Rochester MedicineRochester · 19 sites	Parent on file	157	321	Decision makers
89	Northwell Health Physician PartnersWestbury · 31 sites	Parent on file	157	218	Decision makers
90	Upstate Community Medical, P.C.Syracuse · 25 sites	Parent on file	156	284	Decision makers
91	Glens Falls HospitalGlens Falls · 28 sites	Parent on file	151	282	Decision makers
92	Columbia Memorial HealthHudson · 30 sites	Parent on file	150	245	Decision makers
93	Garnet Health DoctorsMiddletown · 15 sites	Parent on file	147	214	Decision makers
94	Kingsbrook Jewish Medical CenterBrooklyn · 16 sites	Parent on file	145	198	Decision makers
95	Auburn Community HospitalAuburn · 16 sites	Parent on file	144	248	Decision makers
96	Rendr Care PhysiciansNew York · 63 sites	Parent on file	143	299	Decision makers
97	Montefiore New Rochelle HospitalNew Rochelle · 6 sites	Parent on file	141	189	Decision makers
98	Memorial Sloan Kettering Cancer CenterNew York · 14 sites	Parent on file	138	265	Decision makers
99	Bon Secours Medical GroupWarwick · 37 sites	Parent on file	134	182	Decision makers
100	St. Francis Hospital & Heart CenterRoslyn · 3 sites	Parent on file	128	224	Decision makers

Showing 51 to 100 of 2,279 primary care groups in New York

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

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