Updated October 2026

Largest radiology and imaging groups in Massachusetts

Medical group directory
Massachusetts
Radiology and imaging

Groups: 48
Radiology groups: 48
Radiology specialists: 903
Physicians: 1,472
More than one site: 41

There are 48 radiology and imaging groups in Massachusetts with a Medicare PAC ID. Mass General Brigham Community Physicians Organization is the largest, with 341 physicians.

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Mass General Brigham Community Physicians Organization is the largest radiology and imaging group in Massachusetts, with 341 physicians

Ranked by physicians with a Massachusetts address linked to each group. Harbor Medical Associates is second with 304, and Holyoke Medical Center third with 149. 6 Massachusetts groups have 100 or more physicians.

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Radiology and imaging groups in Massachusetts, ranked by physicians
#	Medical group	Parent organization	Physicians	HCPs	Decision makers
1	Mass General Brigham Community Physicians OrganizationSomerville · 95 sites	Parent on file	341	576	Decision makers
2	Harbor Medical AssociatesSouth Weymouth · 25 sites	Parent on file	304	382	Decision makers
3	Holyoke Medical CenterHolyoke · 72 sites	Parent on file	149	262	Decision makers
4	UMass Memorial Radiology Physicians Service FundWorcester · 22 sites	Parent on file	132	143	Decision makers
5	Holyoke Medical GroupHolyoke · 25 sites	Parent on file	121	227	Decision makers
6	Cooley Dickinson HospitalNorthampton · 3 sites	Parent on file	105	136	Decision makers
7	Pratt Radiology AssociatesBoston · 16 sites	Parent on file	99	103	Decision makers
8	Commonwealth Radiology AssociatesLowell · 30 sites	-	84	88	Decision makers
9	Department of Radiology at Boston University Medical CenterBoston · 7 sites	Parent on file	70	78	Decision makers
10	Commonwealth Radiology AssociatesMelrose · 11 sites	-	70	75	Decision makers
11	Commonwealth Radiology AssociatesBoston · 9 sites	-	62	64	Decision makers
12	Boston Children's Hospital Department of RadiologyBoston · 2 sites	Parent on file	58	71	Decision makers
13	Radiology & ImagingSpringfield · 21 sites	Parent on file	54	59	Decision makers
14	Mass General Brigham Medical Group and Urgent CareSomerville · 15 sites	Parent on file	53	195	Decision makers
15	South Shore Radiological AssociatesSouth Weymouth · 16 sites	-	36	37	Decision makers
16	RAYUS RadiologyDedham · 10 sites	Parent on file	34	38	Decision makers
17	L&M RadiologyLawrence · 7 sites	-	30	33	Decision makers
18	Cape Cod Hospital RadiologyHyannis · 15 sites	Parent on file	28	28	Decision makers
19	Berkshire Health Systems Radiology (Imaging)Pittsfield · 11 sites	Parent on file	26	26	Decision makers
20	Southern New England RadiologyFall River · 16 sites	-	25	27	Decision makers
21	Shields MRI at UMass Memorial, Shrewsbury StreetWorcester · 6 sites	Parent on file	23	23	Decision makers
22	Beverly Radiology AssociatesBeverly · 28 sites	-	22	35	Decision makers
23	Saint Vincent Radiological Associates, Inc.Worcester · 5 sites	-	22	23	Decision makers
24	Schatzki AssociatesCambridge · 9 sites	-	21	23	Decision makers
25	North Bridge Imaging GroupConcord · 7 sites	-	18	19	Decision makers
26	North Shore Radiological AssociatesWoburn · 4 sites	-	18	19	Decision makers
27	Providence Diagnostic ImagingSpringfield · 5 sites	-	14	16	Decision makers
28	Trinity Health Of New England Medical GroupSpringfield · 4 sites	Parent on file	10	20	Decision makers
29	Northeast RadiologyNewburyport · 2 sites	Parent on file	10	15	Decision makers
30	Metrowest Radiology AssociatesFramingham · 3 sites	Parent on file	9	9	Decision makers
31	New England Baptist Hospital RadiologyBoston · 3 sites	Parent on file	8	11	Decision makers
32	Pratt Radiation Oncology AssociatesBoston · 3 sites	Parent on file	8	8	Decision makers
33	Nova Medical GroupEast Bridgewater · 3 sites	-	7	15	Decision makers
34	Boston University Radiation OncologyBoston · 3 sites	Parent on file	5	8	Decision makers
35	New England Medical ImagingEasthampton · 1 site	-	5	5	Decision makers
36	Boston Breast Diagnostic CenterWellesley · 2 sites	Parent on file	4	4	Decision makers
37	Neary & Hunter GynWorcester · 1 site	-	4	4	Decision makers
38	New England PET Imaging SystemAndover · 1 site	-	3	3	Decision makers
39	USA Vein ClinicsBoston · 1 site	Parent on file	3	3	Decision makers
40	New England Endovascular CenterWest Springfield · 2 sites	-	2	6	Decision makers
41	Pioneer Valley Radiation OncologySpringfield · 2 sites	-	2	5	Decision makers
42	New England Urology GroupBeverly · 1 site	-	2	3	Decision makers
43	Boston Breast Diagnostic CenterWellesley · 2 sites	Parent on file	2	2	Decision makers
44	Berkshire Radiation OncologyPittsfield · 1 site	Parent on file	1	2	Decision makers
45	Signature Healthcare Radiation OncologyBrockton · 2 sites	Parent on file	1	1	Decision makers
46	Cape Regenerative MedicineWest Barnstable · 1 site	-	-	1	Decision makers
47	California Medical Imaging Associates (CMIA)Wareham · 3 sites	-	-	-	Decision makers
48	L&M RadiologyWareham · 4 sites	-	-	-	Decision makers

Showing 1 to 10 of 48 radiology and imaging groups in Massachusetts

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

Mass General Brigham has the most physicians in Massachusetts radiology and imaging groups, with 726 across 4 groups

Dmand AI maps every medical group to its parent organization, up to the health system or platform at the top. 5 parent organizations have two or more Massachusetts radiology and imaging groups. Each clinician counts once per parent organization.

Parent organizations with the most Massachusetts radiology and imaging groups
#	Parent organization	Massachusetts groups	Physicians	HCPs
1	Mass General BrighamHealth system	4	726	1,178
2	Valley Health SystemsHealth system	2	174	322
3	Tufts MedicineHealth system	2	106	110
4	Berkshire Health SystemsHealth system	2	27	28
5	Boston Breast Diagnostic CenterTreatment center company	2	4	4

Parent organizations with two or more Massachusetts groups

Mass General BrighamHealth system · 4 Massachusetts radiology and imaging groups
Mass General Brigham Community Physicians OrganizationMulti-specialty group · Somerville
Harbor Medical AssociatesMulti-specialty group · South Weymouth
2 more Massachusetts groups and their practice sites

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Source: Dmand AI Org Hierarchy Data

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Dmand AI maps the owners, administrators and physician leaders at each of the 48 Massachusetts radiology and imaging groups, with the parent organization above each one, and finds validated work emails and mobile numbers.

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46% of Massachusetts radiology and imaging 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.

Massachusetts radiology and imaging groups by ownership

Independent2246%
Health system or hospital2042%
Platform or corporate owner12%
Other organization510%

Sites of care beyond their own offices

Practice at a hospital37

Practice at a surgery center3

Practice at a skilled nursing facility1

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Source: Dmand AI Org Hierarchy Data

37 Massachusetts radiology and imaging groups practice at a hospital site, and 3 at a surgery center

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

Massachusetts radiology and imaging groups by site of care

Hospitals3777%
Ambulatory surgery centers36%
Skilled nursing facilities12%

Clinicians in Massachusetts radiology and imaging groups

Radiology specialists903

All HCPs2,170

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

Boston has the most radiology and imaging groups in Massachusetts, with 8

8radiology and imaging groups in Boston

4radiology and imaging groups in Springfield

4radiology and imaging groups in Worcester

2radiology and imaging groups in Beverly

2radiology and imaging groups in Holyoke

2radiology and imaging groups in Pittsfield

More Massachusetts cities with radiology and imaging groups

Somerville2
South Weymouth2
Wareham2
Wellesley2
Andover1
Brockton1
Cambridge1
Concord1
Dedham1
East Bridgewater1
Easthampton1
Fall River1
Framingham1
Hyannis1
Lawrence1

Source: Doctors and Clinicians National Downloadable File (CMS)

Each Massachusetts radiology and imaging 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 Massachusetts radiology and imaging 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 radiology and imaging and that have a Medicare PAC ID.

FAQ

Frequently asked questions about radiology and imaging groups in Massachusetts

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

How many radiology and imaging groups are in Massachusetts?

There are 48 radiology and imaging groups in Massachusetts with a Medicare PAC ID. Between them they have 903 radiology specialists.

Which companies own the most radiology and imaging groups?

By physicians, Mass General Brigham, with 726 across 4 groups, followed by Valley Health Systems with 174 and Tufts Medicine with 106.

How many Massachusetts radiology and imaging groups are independent?

22, or 46%, have no larger parent organization in the Dmand AI org hierarchy. 20 belong to a health system or hospital and 1 to a physician platform or corporate owner.

Why are radiology and imaging listed together?

They share one specialty category in the Dmand AI medical group data. Each group is listed under its main specialty.

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