Updated October 2026

Medical groups in Boston, MA

Medical group directory
Boston, Massachusetts

Medical groups: 158
Multi-specialty: 48
Single-specialty: 110
More than one site: 107
100+ physicians: 16

There are 158 medical groups in Boston with a Medicare PAC ID. Massachusetts General Physicians Organization (MGPO) is the largest, with 3,803 Massachusetts physicians, followed by Massachusetts General Hospital with 3,723. 30% of Boston groups are independent.

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Massachusetts General Physicians Organization (MGPO) is the largest medical group in Boston, with 3,803 physicians

Ranked by physicians with a Massachusetts address linked to each group based in Boston. Massachusetts General Hospital is second with 3,723, and Brigham and Women's Hospital third with 3,175. 16 Boston groups have 100 or more physicians.

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Medical groups in Boston, ranked by physicians, 51 to 100
#	Medical group	Parent organization	Physicians	HCPs	Decision makers
51	Mallory Institute of PathologyBoston · 3 sites	Parent on file	26	26	Decision makers
52	South Cove Community Health CenterBoston · 6 sites	Parent on file	25	53	Decision makers
53	Boston Children's Hospital Department of UrologyBoston · 1 site	Parent on file	25	37	Decision makers
54	Orthopaedic Clinical Assoc IncBoston · 6 sites	-	25	33	Decision makers
55	Pratt Pathology AssociatesBoston · 4 sites	Parent on file	25	27	Decision makers
56	Pratt Medical & Surgical DermatologyBoston · 4 sites	Parent on file	24	24	Decision makers
57	Boston Children's Hospital Department of Plastic and Oral SurgeryBoston · 1 site	Parent on file	23	47	Decision makers
58	Boston Children's Hospital Department of Otolaryngology and Communication EnhancementBoston · 4 sites	Parent on file	21	99	Decision makers
59	North End Waterfront Health (NEW Health)Boston · 4 sites	Parent on file	21	79	Decision makers
60	BMC Otolaryngology Head & Neck SurgeryBoston · 2 sites	Parent on file	20	33	Decision makers
61	Form HealthBoston · 8 sites	Parent on file	19	26	Decision makers
62	Pratt Orthopedic AssociatesBoston · 7 sites	Parent on file	18	50	Decision makers
63	Boston University DermatologyBoston · 5 sites	Parent on file	18	21	Decision makers
64	Boston University Orthopaedic Surgical AssociatesBoston · 3 sites	Parent on file	16	52	Decision makers
65	instEDBoston · 4 sites	Parent on file	15	16	Decision makers
66	Tufts Medical Center Ear, Nose + Throat (ENT)Boston · 3 sites	Parent on file	14	21	Decision makers
67	Mattapan Community Health CenterBoston · 4 sites	Parent on file	13	33	Decision makers
68	Pratt Neurosurgical Associates, Inc.Boston · 5 sites	Parent on file	12	39	Decision makers
69	Boston Children's Hospital Department of NeurosurgeryBoston · 1 site	Parent on file	12	33	Decision makers
70	Boston Children's Hospital Department of Cardiac SurgeryBoston · 1 site	Parent on file	11	40	Decision makers
71	Amwell Medical Group (also known as Online Care Group)Boston · 9 sites	-	11	23	Decision makers
72	Pratt AssociatesBoston · 6 sites	Parent on file	10	33	Decision makers
73	Boston Children's Hospital Division of Gynecology (Pediatric & Adolescent Gynecology)Boston · 3 sites	Parent on file	9	16	Decision makers
74	Pratt AssociatesBoston · 3 sites	Parent on file	9	9	Decision makers
75	Anesthesia Consultants of MassachusettsBoston · 2 sites	-	8	17	Decision makers
76	New England Baptist Hospital RadiologyBoston · 3 sites	Parent on file	8	11	Decision makers
77	Pratt Radiation Oncology AssociatesBoston · 3 sites	Parent on file	8	8	Decision makers
78	CCA Primary Care, Boston ClinicBoston · 8 sites	Parent on file	7	95	Decision makers
79	CCA Primary CareBoston · 5 sites	Parent on file	7	74	Decision makers
80	ConcertoCare (formerly Perfect Health)Boston · 7 sites	Parent on file	7	26	Decision makers
81	Boston Medical Center Urology (BMC Urology)Boston · 2 sites	Parent on file	7	10	Decision makers
82	Boston Community PediatricsBoston · 1 site	Parent on file	7	9	Decision makers
83	Community Intensive Care (CIC)Boston · 3 sites	Parent on file	6	43	Decision makers
84	Boston Medical Center NeurosurgeryBoston · 2 sites	Parent on file	6	15	Decision makers
85	The Albert & Jessie Danielsen InstituteBoston · 10 sites	Parent on file	5	74	Decision makers
86	Iora HealthBoston · 5 sites	Parent on file	5	13	Decision makers
87	Boston University Radiation OncologyBoston · 3 sites	Parent on file	5	8	Decision makers
88	Brigham-Faulkner OB/Gyn AssociatesBoston · 1 site	-	5	8	Decision makers
89	Boston Specialists (formerly Boston Food Allergy Center)Boston · 1 site	-	5	5	Decision makers
90	Mass General Vasculitis & Glomerulonephritis CenterBoston · 2 sites	Parent on file	5	5	Decision makers
91	Tufts University School of Dental MedicineBoston · 2 sites	Parent on file	3	19	Decision makers
92	Rohit Rattan MD PLLCBoston · 2 sites	-	3	12	Decision makers
93	The Dermatology Institute of BostonBoston · 1 site	-	3	6	Decision makers
94	Boston Dermatology and Laser CenterBoston · 1 site	Parent on file	3	5	Decision makers
95	AllCare MedicalBoston · 1 site	-	3	4	Decision makers
96	SetMD Care (SetMD)Boston · 1 site	-	3	4	Decision makers
97	Personal Health MDBoston · 1 site	-	3	3	Decision makers
98	USA Vein ClinicsBoston · 1 site	Parent on file	3	3	Decision makers
99	Supportive CareBoston · 13 sites	Parent on file	2	185	Decision makers
100	Massachusetts Eye and EarBoston · 2 sites	Parent on file	2	51	Decision makers

Showing 51 to 60 of 158 medical groups in Boston

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

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