Updated October 2026

Largest primary care groups in New Hampshire

Medical group directory
New Hampshire
Primary care

Groups: 98
Internal Medicine groups: 37
Nurse Practitioner groups: 31
Internal medicine specialists: 870
Nurse practitioner specialists: 79

There are 98 primary care groups in New Hampshire with a Medicare PAC ID: 37 internal medicine, 31 nurse practitioner and 27 family medicine. Dartmouth Hitchcock Clinics Manchester is the largest internal medicine group, with 374 internal medicine specialists, and Novella Infusion the largest nurse practitioner group, with 11 nurse practitioner specialists.

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Dartmouth Hitchcock Clinics Manchester is the largest primary care 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. 11 New Hampshire groups have 100 or more physicians.

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Primary care groups in New Hampshire, ranked by physicians
#	Medical group	Parent organization	Physicians	HCPs	Decision makers
1	Dartmouth Hitchcock Clinics ManchesterManchester · 122 sites	Parent on file	1,317	2,322	Decision makers
2	Dartmouth Hitchcock Medical CenterLebanon · 52 sites	Parent on file	1,206	2,132	Decision makers
3	Concord HospitalConcord · 25 sites	Parent on file	299	547	Decision makers
4	Elliot Pediatric Rehabilitation ServicesManchester · 44 sites	Parent on file	275	483	Decision makers
5	Wentworth-Douglass HospitalDover · 42 sites	Parent on file	220	476	Decision makers
6	Surgical Care GroupManchester · 45 sites	Parent on file	209	411	Decision makers
7	Core PhysiciansExeter · 38 sites	Parent on file	202	345	Decision makers
8	Cheshire Medical CenterKeene · 13 sites	Parent on file	194	339	Decision makers
9	Alice Peck Day Memorial HospitalLebanon · 12 sites	Parent on file	179	260	Decision makers
10	Foundation Medical PartnersNashua · 29 sites	Parent on file	159	314	Decision makers
11	Portsmouth Internal MedicinePortsmouth · 45 sites	Parent on file	108	228	Decision makers
12	Lakes Region General HospitalLaconia · 21 sites	Parent on file	70	141	Decision makers
13	Elliot Physician NetworkManchester · 19 sites	Parent on file	69	111	Decision makers
14	Parkland Medical CenterDerry · 4 sites	Parent on file	69	79	Decision makers
15	Speare Memorial HospitalPlymouth · 4 sites	Parent on file	63	108	Decision makers
16	MaineHealth Memorial HospitalNorth Conway · 2 sites	Parent on file	56	110	Decision makers
17	Weeks Medical CenterLancaster · 12 sites	Parent on file	51	108	Decision makers
18	DMC Primary CareDerry · 15 sites	-	49	121	Decision makers
19	Valley Regional HospitalClaremont · 5 sites	Parent on file	30	57	Decision makers
20	Goodwin Community HealthSomersworth · 10 sites	Parent on file	28	58	Decision makers
21	Huggins HospitalWolfeboro · 5 sites	Parent on file	27	51	Decision makers
22	Southern New Hampshire Internal Medicine AssociatesDerry · 3 sites	-	20	34	Decision makers
23	Parkland Medical CenterDerry · 1 site	Parent on file	18	18	Decision makers
24	Lamprey Health CareNewmarket · 8 sites	Parent on file	17	55	Decision makers
25	Coös County Family Health ServicesBerlin · 9 sites	Parent on file	14	40	Decision makers
26	Huggins HospitalWolfeboro · 2 sites	Parent on file	14	16	Decision makers
27	ConvenientMD Urgent CarePortsmouth · 72 sites	Parent on file	12	182	Decision makers
28	Granite State GastroenterologyLondonderry · 8 sites	-	10	16	Decision makers
29	Cardiovascular Specialists of New EnglandLondonderry · 2 sites	-	10	15	Decision makers
30	New Hampshire Oncology-Hematology, PAConcord · 3 sites	-	9	20	Decision makers
31	Mid-State Health CenterPlymouth · 6 sites	Parent on file	8	44	Decision makers
32	ACHS-Littleton (Ammonoosuc Community Health Services, Inc.)Littleton · 6 sites	Parent on file	8	26	Decision makers
33	ConvenientMD Urgent CarePortsmouth · 52 sites	Parent on file	7	29	Decision makers
34	Atlantic Digestive SpecialistsSomersworth · 2 sites	-	6	11	Decision makers
35	Seacoast Kidney & Hypertension SpecialistsPortsmouth · 4 sites	-	6	7	Decision makers
36	Pelham Healthcare AssociatesPelham · 2 sites	-	5	5	Decision makers
37	Saco River Medical GroupConway · 2 sites	-	4	17	Decision makers
38	Nephrology AssociatesManchester · 2 sites	Parent on file	4	5	Decision makers
39	Riverside Rest HomeDover · 1 site	-	4	5	Decision makers
40	ClearChoiceMD Urgent CareConcord · 22 sites	Parent on file	3	61	Decision makers
41	ExpressMEDManchester · 3 sites	Parent on file	3	17	Decision makers
42	Fusion Health ServicesConcord · 6 sites	-	3	9	Decision makers
43	Family Health CenterWest Lebanon · 2 sites	-	3	5	Decision makers
44	Northeast Gastroenterology AssociatesManchester · 2 sites	-	3	4	Decision makers
45	ClearChoiceMD Urgent CareGoffstown · 8 sites	Parent on file	2	50	Decision makers
46	Whole Life Health CareNewington · 1 site	-	2	11	Decision makers
47	Ephrem Medical Services, LLCLaconia · 2 sites	-	2	8	Decision makers
48	Granite VNAConcord · 1 site	Parent on file	2	6	Decision makers
49	Crossroads Family MedicineConcord · 2 sites	-	2	5	Decision makers
50	Merrimack County Nursing HomeBoscawen · 1 site	Parent on file	2	4	Decision makers

Showing 1 to 10 of 98 primary care groups in New Hampshire

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

Dartmouth Hitchcock Clinics Manchester is the largest internal medicine group in New Hampshire, with 374 internal medicine specialists

Ranked by internal medicine specialists with a New Hampshire address linked to each group whose main sub-specialty is internal medicine. Dartmouth Hitchcock Medical Center is second with 340, and Surgical Care Group third with 112.

Largest internal medicine groups in New Hampshire
#	Medical group	Parent organization	Internal medicine specialists	HCPs
1	Dartmouth Hitchcock Clinics ManchesterManchester · 122 sites	Parent on file	374	2,322
2	Dartmouth Hitchcock Medical CenterLebanon · 52 sites	Parent on file	340	2,132
3	Surgical Care GroupManchester · 45 sites	Parent on file	112	411
4	Elliot Pediatric Rehabilitation ServicesManchester · 44 sites	Parent on file	94	483
5	Foundation Medical PartnersNashua · 29 sites	Parent on file	75	314
6	Concord HospitalConcord · 25 sites	Parent on file	71	547
7	Wentworth-Douglass HospitalDover · 42 sites	Parent on file	68	476
8	Cheshire Medical CenterKeene · 13 sites	Parent on file	48	339
9	Core PhysiciansExeter · 38 sites	Parent on file	48	345
10	Alice Peck Day Memorial HospitalLebanon · 12 sites	Parent on file	46	260

Top 10 of 37 New Hampshire internal medicine groups

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

Novella Infusion is the largest nurse practitioner group in New Hampshire, with 11 nurse practitioner specialists

Ranked by nurse practitioner specialists with a New Hampshire address linked to each group whose main sub-specialty is nurse practitioner. Keady Family Practice is second with 9, and Life Long Care third with 7.

Largest nurse practitioner groups in New Hampshire
#	Medical group	Parent organization	Nurse practitioner specialists	HCPs
1	Novella InfusionMerrimack · 9 sites	Parent on file	11	11
2	Keady Family PracticeClaremont · 2 sites	-	9	11
3	Life Long CareNew London · 1 site	-	7	7
4	Landmark Family HealthcareLondonderry · 2 sites	-	7	8
5	Center State WellnessConcord · 1 site	-	4	4
6	ExpressMEDManchester · 1 site	Parent on file	3	7
7	Birch Grove Mental HealthBedford · 3 sites	-	3	3
8	Crossroads Family MedicineConcord · 2 sites	-	3	5
9	Phenix PsychiatricBedford · 1 site	-	3	3
10	Addiction Wellness CenterManchester · 1 site	-	3	4

Top 10 of 31 New Hampshire nurse practitioner groups

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

DMC Primary Care is the largest family medicine group in New Hampshire, with 41 family physicians

Ranked by family physicians with a New Hampshire address linked to each group whose main sub-specialty is family medicine. Elliot Physician Network is second with 25, and Goodwin Community Health third with 15.

Largest family medicine groups in New Hampshire
#	Medical group	Parent organization	Family physicians	HCPs
1	DMC Primary CareDerry · 15 sites	-	41	121
2	Elliot Physician NetworkManchester · 19 sites	Parent on file	25	111
3	Goodwin Community HealthSomersworth · 10 sites	Parent on file	15	58
4	Lamprey Health CareNewmarket · 8 sites	Parent on file	11	55
5	Coös County Family Health ServicesBerlin · 9 sites	Parent on file	11	40
6	Huggins HospitalWolfeboro · 5 sites	Parent on file	9	51
7	ACHS-Littleton (Ammonoosuc Community Health Services, Inc.)Littleton · 6 sites	Parent on file	8	26
8	ConvenientMD Urgent CarePortsmouth · 72 sites	Parent on file	7	182
9	Mid-State Health CenterPlymouth · 6 sites	Parent on file	5	44
10	ConvenientMD Urgent CarePortsmouth · 52 sites	Parent on file	4	29

Top 10 of 27 New Hampshire family medicine groups

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

Dartmouth-Hitchcock Health has the most physicians in New Hampshire primary care groups, with 1,400 across 7 groups

Dmand AI maps every medical group to its parent organization, up to the health system or platform at the top. 9 parent organizations have two or more New Hampshire primary care groups. Each clinician counts once per parent organization.

Parent organizations with the most New Hampshire primary care groups
#	Parent organization	New Hampshire groups	Physicians	HCPs
1	Dartmouth-Hitchcock HealthHealth system	7	1,400	2,491
2	SolutionHealthHealth system	4	467	862
3	Concord Hospital Health SystemHealth system	3	354	659
4	HCA HealthcareHealth system	4	322	594
5	Huggins HospitalHealth system	2	41	67
6	ConvenientmdOutpatient facility	2	16	195
7	Clearchoicemd Urgent CareOutpatient facility	3	4	62
8	ExpressmedOutpatient facility	2	3	19
9	Emergence Health HoldingsHealth system	2	-	8

Parent organizations with two or more New Hampshire groups

Dartmouth-Hitchcock HealthHealth system · 7 New Hampshire primary care groups
Dartmouth Hitchcock Clinics ManchesterMulti-specialty group · Manchester
Dartmouth Hitchcock Medical CenterMulti-specialty group · Lebanon
5 more New Hampshire groups and their practice sites

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Source: Dmand AI Org Hierarchy Data

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52% of New Hampshire primary care groups are independent, with no larger parent organization

A group counts as independent when no health system, platform or other organization sits above it in the org hierarchy. Every other group belongs to a larger organization.

New Hampshire primary care groups by ownership

Independent5152%
Health system or hospital2829%
Platform or corporate owner33%
Community or government55%
Other organization1111%

Sites of care beyond their own offices

Practice at a hospital34

Practice at an FQHC9

Practice at a rural health clinic8

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Source: Dmand AI Org Hierarchy Data

34 New Hampshire primary care groups practice at a hospital site, and 9 at an FQHC

Sites of care linked to each group in the org hierarchy, beyond its own offices. A group can practice at several kinds of site.

New Hampshire primary care groups by site of care

Hospitals3435%
FQHCs99%
Rural health clinics88%
Skilled nursing facilities44%
Hospices33%
Behavioral health facilities33%
Ambulatory surgery centers11%

Clinicians in New Hampshire primary care groups

Internal medicine specialists870

Nurse practitioner specialists79

Family physicians150

All HCPs5,951

Sources: Dmand AI Practice Data and Dmand AI Org Hierarchy Data

Concord has the most primary care groups in New Hampshire, with 9

9primary care groups in Concord

9primary care groups in Manchester

7primary care groups in Nashua

6primary care groups in Bedford

6primary care groups in Portsmouth

5primary care groups in Derry

More New Hampshire cities with primary care groups

Salem5
Londonderry4
Dover3
Hudson3
Littleton3
Merrimack3
Somersworth3
Claremont2
Laconia2
Lebanon2
New London2
Pembroke2
Plymouth2
West Lebanon2
Wolfeboro2

Source: Doctors and Clinicians National Downloadable File (CMS)

Each New Hampshire primary care group profile shows the parent, sites, clinicians and identifiers

Clinicians and specialtiesA count by specialty and a sample of the group's cliniciansOn every profile
Practice locationsMain site and a sample of practice locations, with a count of the restOn every profile
Medicare Part B paymentsMedicare payments to the group, from CMSOn every profile
Group NPI and Medicare PAC IDIdentifiers for matching records across sourcesOn every profile
Parent organizationThe health system, platform or owner above the groupOn every profile
Every clinician and siteThe full roster and every practice locationWith a free account
Leader and clinician contactsWork emails and mobile numbers, found on request and then validatedWith a free account
EHR used by the group's cliniciansThe EHR in use at the group's sitesWith a free account

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Sources: Doctors and Clinicians National Downloadable File (CMS), Medicare Physician & Other Practitioners (CMS) and Dmand AI Org Hierarchy Data

Sources for the New Hampshire primary care group list

Sources for the data on this page
Data on this page	Source
Medical groups, specialties and sites	Doctors and Clinicians National Downloadable File (CMS) and Dmand AI Professional Profile Data
Parent organizations and independence	Dmand AI Org Hierarchy Data
Physicians and HCPs	Dmand AI Affiliation Data
Group NPI and PAC ID	NPPES NPI Registry (CMS) and Doctors and Clinicians National Downloadable File (CMS)

Data last refreshed October 2026Report an inaccuracy Remove my information

Groups whose main specialty is primary care and that have a Medicare PAC ID.

FAQ

Frequently asked questions about primary care groups in New Hampshire

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is the largest internal medicine group in New Hampshire?

Dartmouth Hitchcock Clinics Manchester, based in Manchester, with 374 internal medicine specialists and 2,322 HCPs. Dartmouth Hitchcock Medical Center is second with 340.

What is the largest nurse practitioner group in New Hampshire?

Novella Infusion, based in Merrimack, with 11 nurse practitioner specialists and 11 HCPs. Keady Family Practice is second with 9.

How many primary care groups are in New Hampshire?

There are 98 primary care groups in New Hampshire with a Medicare PAC ID: 37 internal medicine, 31 nurse practitioner and 27 family medicine. Between them they have 870 internal medicine specialists, 79 nurse practitioner specialists and 150 family physicians.

Which companies own the most primary care groups?

By physicians, Dartmouth-Hitchcock Health, with 1,400 across 7 groups, followed by SolutionHealth with 467 and Concord Hospital Health System with 354.

How many New Hampshire primary care groups are independent?

51, or 52%, have no larger parent organization in the Dmand AI org hierarchy. 28 belong to a health system or hospital and 3 to a physician platform or corporate owner.

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