Largest behavioral and mental health groups in Massachusetts
- Groups
- 433
- Social Worker groups
- 172
- Counselor groups
- 147
- Social worker specialists
- 1,591
- Counselor specialists
- 2,589
There are 433 behavioral and mental health groups in Massachusetts with a Medicare PAC ID: 172 social worker, 147 counselor, 83 psychiatry and neurology and 29 psychologist. LifeStance Health is the largest social worker group, with 187 social worker specialists, and Northeast Health Services the largest counselor group, with 759 counselor specialists.
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Cambridge Health Alliance is the largest behavioral and mental health group in Massachusetts, with 636 physicians
Ranked by physicians with a Massachusetts address linked to each group. McLean Hospital is second with 210, and Dr John Corrigan Mental Health Center third with 147. 3 Massachusetts groups have 100 or more physicians.
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Showing 1 to 10 of 433 behavioral and mental health groups in Massachusetts
Sources: Doctors and Clinicians National Downloadable File (CMS) and Dmand AI Affiliation Data
Northeast Health Services is the largest counselor group in Massachusetts, with 759 counselor specialists
Ranked by counselor specialists with a Massachusetts address linked to each group whose main sub-specialty is counselor. Arbour Counseling Services is second with 254, and Behavioral Health Network, Inc. (BHN) third with 123.
Sources: Doctors and Clinicians National Downloadable File (CMS) and Dmand AI Affiliation Data
McLean Hospital is the largest psychiatry and neurology group in Massachusetts, with 187 psychiatry and neurology specialists
Ranked by psychiatry and neurology specialists with a Massachusetts address linked to each group whose main sub-specialty is psychiatry and neurology. Cambridge Health Alliance is second with 136, and Dr John Corrigan Mental Health Center third with 109.
Sources: Doctors and Clinicians National Downloadable File (CMS) and Dmand AI Affiliation Data
Newton Neuropsychology Group is the largest psychologist group in Massachusetts, with 10 psychologist specialists
Ranked by psychologist specialists with a Massachusetts address linked to each group whose main sub-specialty is psychologist. Baystate Medical Center is second with 9, and Human Relations Service (HRS) third with 7.
Sources: Doctors and Clinicians National Downloadable File (CMS) and Dmand AI Affiliation Data
Mass General Brigham has the most physicians in Massachusetts behavioral and mental health groups, with 314 across 3 groups
Dmand AI maps every medical group to its parent organization, up to the health system or platform at the top. 17 parent organizations have two or more Massachusetts behavioral and mental health groups. Among health systems, Universal Health Services has the most groups, 6. Each clinician counts once per parent organization.
See every medical group, site and clinician under Mass General Brigham
Org Hierarchy Explorer maps every group, site of care and clinician under the parent, with the leaders at each group.
Source: Dmand AI Org Hierarchy Data
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Dmand AI maps the owners, administrators and physician leaders at each of the 433 Massachusetts behavioral and mental health groups, with the parent organization above each one, and finds validated work emails and mobile numbers.
62% of Massachusetts behavioral and mental health 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 behavioral and mental health groups by ownership
- Independent269
- Health system or hospital37
- Platform or corporate owner33
- Community or government79
- Other organization15
Sites of care beyond their own offices
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Dmand AI maps each group to the health system, physician platform or management company above it, so you can sell to the owner, not one site.
Source: Dmand AI Org Hierarchy Data
90 Massachusetts behavioral and mental health groups practice at a behavioral health facility site, and 75 at a hospital
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 behavioral and mental health groups by site of care
- Behavioral health facilities90
- Hospitals75
- FQHCs27
- Skilled nursing facilities3
- Hospices2
- Home health agencies2
- Ambulatory surgery centers1
- Therapy and rehab centers1
- Rural health clinics1
Clinicians in Massachusetts behavioral and mental health groups
Sources: Dmand AI Practice Data and Dmand AI Org Hierarchy Data
Boston has the most behavioral and mental health groups in Massachusetts, with 29
More Massachusetts cities with behavioral and mental health groups
- Lawrence8
- New Bedford8
- Plymouth8
- Cambridge7
- Quincy7
- Beverly6
- Taunton6
- Westborough6
- Lynn5
- Medford5
- North Andover5
- Northampton5
- Norwood5
- Randolph5
- West Springfield5
Source: Doctors and Clinicians National Downloadable File (CMS)
Each Massachusetts behavioral and mental health 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 behavioral and mental health group list
| 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 inaccuracyRemove my information
Groups whose main specialty is behavioral and mental health and that have a Medicare PAC ID.
FAQ
Frequently asked questions about behavioral and mental health 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.
What is the largest social worker group in Massachusetts?
LifeStance Health, based in Weymouth, with 187 social worker specialists and 528 HCPs. Riverside Community Care is second with 86.
What is the largest counselor group in Massachusetts?
Northeast Health Services, based in Taunton, with 759 counselor specialists and 1,359 HCPs. Arbour Counseling Services is second with 254.
How many behavioral and mental health groups are in Massachusetts?
There are 433 behavioral and mental health groups in Massachusetts with a Medicare PAC ID: 172 social worker, 147 counselor, 83 psychiatry and neurology and 29 psychologist. Between them they have 1,591 social worker specialists, 2,589 counselor specialists, 897 psychiatry and neurology specialists and 72 psychologist specialists.
Which companies own the most behavioral and mental health groups?
By physicians, Mass General Brigham, with 314 across 3 groups, followed by Tufts Medicine with 236 and The Children's Hospital with 138.
How many Massachusetts behavioral and mental health groups are independent?
269, or 62%, have no larger parent organization in the Dmand AI org hierarchy. 37 belong to a health system or hospital and 33 to a physician platform or corporate owner.
Why are behavioral and mental health listed together?
They share one specialty category in the Dmand AI medical group data. This page also ranks each sub-specialty on its own, by its own specialists.
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