Updated October 2026

Medical groups in New Hampshire

Medical group directory
New Hampshire

Medical groups: 414
Multi-specialty: 79
Single-specialty: 335
More than one site: 238
100+ physicians: 13

There are 414 medical groups in New Hampshire with a Medicare PAC ID. Dartmouth Hitchcock Clinics Manchester is the largest, with 1,317 New Hampshire physicians. Dartmouth-Hitchcock Health has the most physicians across its groups, 1,488, and 67% of New Hampshire groups are independent.

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Dartmouth Hitchcock Clinics Manchester is the largest medical group in New Hampshire, with 1,317 physicians

Ranked by physicians with a New Hampshire address linked to each group. Dartmouth Hitchcock Medical Center is second with 1,206, and Concord Hospital third with 299. 13 New Hampshire groups have 100 or more physicians.

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Medical groups in New Hampshire, ranked by physicians, 51 to 100
#	Medical group	Parent organization	Physicians	HCPs	Decision makers
51	Wentworth-Douglass Hospital Emergency DepartmentDover · 3 sites	Parent on file	16	45	Decision makers
52	Manchester Urology at NashuaNashua · 7 sites	-	16	29	Decision makers
53	Stratham Anesthesia AssociatesStratham · 6 sites	Parent on file	15	41	Decision makers
54	Parkland Internal Medicine of DerryDerry · 4 sites	Parent on file	15	22	Decision makers
55	Granite State Anesthesia PartnersManchester · 6 sites	-	14	41	Decision makers
56	Coös County Family Health ServicesBerlin · 9 sites	Parent on file	14	40	Decision makers
57	New Hampshire NeuroSpine InstituteBedford · 2 sites	Parent on file	14	24	Decision makers
58	Huggins HospitalWolfeboro · 2 sites	Parent on file	14	16	Decision makers
59	Radiation Oncology Associates, PAManchester · 11 sites	-	13	13	Decision makers
60	ConvenientMD Urgent CarePortsmouth · 72 sites	Parent on file	12	182	Decision makers
61	Riverbend Community Mental HealthConcord · 11 sites	Parent on file	12	107	Decision makers
62	Nashua Eye AssociatesNashua · 3 sites	Parent on file	12	20	Decision makers
63	Atlantic Orthopaedics & Sports MedicinePortsmouth · 4 sites	-	12	18	Decision makers
64	Harbour Women's HealthPortsmouth · 4 sites	-	12	15	Decision makers
65	The Medical Eye CenterManchester · 5 sites	-	12	15	Decision makers
66	Atlantic RadiologyPortsmouth · 5 sites	-	12	13	Decision makers
67	Better Life PartnersHanover · 16 sites	Parent on file	11	42	Decision makers
68	Greater Hampstead Family MedicineManchester · 5 sites	-	11	38	Decision makers
69	Pathology Specialists of New EnglandManchester · 3 sites	-	11	11	Decision makers
70	Eyesight Ophthalmic ServicesPortsmouth · 4 sites	-	10	16	Decision makers
71	Granite State GastroenterologyLondonderry · 8 sites	-	10	16	Decision makers
72	Apollo Medical GroupSeabrook · 5 sites	Parent on file	10	15	Decision makers
73	Cardiovascular Specialists of New EnglandLondonderry · 2 sites	-	10	15	Decision makers
74	Concord Eye CenterConcord · 2 sites	-	10	15	Decision makers
75	Manchester OB/GYN AssociatesManchester · 2 sites	-	10	11	Decision makers
76	Advanced Diagnostic ImagingExeter · 4 sites	Parent on file	10	10	Decision makers
77	The Mental Health Center of Greater ManchesterManchester · 7 sites	Parent on file	9	175	Decision makers
78	Seacoast Mental Health CenterPortsmouth · 2 sites	Parent on file	9	89	Decision makers
79	New Hampshire Oncology-Hematology, PAConcord · 3 sites	-	9	20	Decision makers
80	Nutfield Anesthesia AssociatesDerry · 3 sites	Parent on file	9	15	Decision makers
81	Nashua RadiologyNashua · 3 sites	-	9	9	Decision makers
82	Mid-State Health CenterPlymouth · 6 sites	Parent on file	8	44	Decision makers
83	Access Sports Medicine & OrthopaedicsExeter · 1 site	-	8	34	Decision makers
84	ACHS-Littleton (Ammonoosuc Community Health Services, Inc.)Littleton · 6 sites	Parent on file	8	26	Decision makers
85	West Central Behavioral HealthLebanon · 5 sites	Parent on file	8	22	Decision makers
86	Greater Seacoast HealthSomersworth · 6 sites	Parent on file	8	19	Decision makers
87	ConvenientMD Urgent CarePortsmouth · 52 sites	Parent on file	7	29	Decision makers
88	Skyline Anesthesia PLLCNashua · 3 sites	-	7	15	Decision makers
89	Spindel Eye AssociatesDerry · 2 sites	-	7	12	Decision makers
90	NH Eye AssociatesManchester · 2 sites	-	7	11	Decision makers
91	New England Radiological ConsortiumHampton · 4 sites	Parent on file	7	8	Decision makers
92	Associated RadiologistsDerry · 1 site	-	7	7	Decision makers
93	Apollo Medical GroupSomersworth · 4 sites	Parent on file	6	21	Decision makers
94	Atlantic Surgical AssociatesPortsmouth · 2 sites	Parent on file	6	14	Decision makers
95	Atlantic Digestive SpecialistsSomersworth · 2 sites	-	6	11	Decision makers
96	BetterNow MedicineAmherst · 2 sites	-	6	9	Decision makers
97	Seacoast Kidney & Hypertension SpecialistsPortsmouth · 4 sites	-	6	7	Decision makers
98	HealthFirst Family Care Center, Inc.Franklin · 6 sites	Parent on file	5	28	Decision makers
99	Dermatology & Skin HealthDover · 2 sites	-	5	18	Decision makers
100	Apollo Medical GroupNewington · 3 sites	Parent on file	5	17	Decision makers

Showing 51 to 100 of 414 medical groups in New Hampshire

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

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