Hospitals in Massachusetts
- Hospitals
- 103
- Staffed beds
- 18,375
- Systems with 2+ hospitals
- 21
- Outpatient sites
- 450
- Affiliated HCPs
- 47,455
There are 103 hospitals in Massachusetts, across 69 cities, counting every hospital with a CMS certification number. Massachusetts General Hospital in Boston is the largest, with 997 staffed beds, followed by Brigham and Women's Hospital with 846. Mass General Brigham runs the most Massachusetts hospitals, 13.
Find the decision makers at all 103 Massachusetts hospitals
Work emails and mobile numbers for 7,566 executives and department leaders, found through healthcare waterfall enrichment, with a free Dmand AI account.
Massachusetts General Hospital is the largest hospital in Massachusetts, with 997 beds
Ranked by staffed beds in each hospital's latest CMS cost report. Brigham and Women's Hospital in Boston is second with 846 beds, and Baystate Medical Center in Springfield is third with 740. Six of the 10 largest are in Boston.
Sources: Hospital Provider Cost Report (CMS) and Dmand AI Affiliation Data
There are 103 hospitals in Massachusetts, across 69 cities
The full list of Massachusetts hospitals, A to Z. 56 are acute care hospitals. Open a profile for beds, affiliated HCPs, the org hierarchy and the leadership team.
Filter this list with a free account
Sort and filter all 103 Massachusetts hospitals by hospital type, city, health system, staffed beds, EHR vendor and leaders on file in Dmand AI.
Showing 1 to 10 of 103 hospitals in Massachusetts
Sources: Provider of Services File (CMS) and Dmand AI Org Hierarchy Data
Mass General Brigham is the largest hospital system in Massachusetts, with 13 hospitals
Dmand AI maps every hospital to its parent organization, up to the health system. 21 health systems and parent organizations run two or more Massachusetts hospitals. HCPs are counted at each hospital, so a clinician at two hospitals counts twice.
See every hospital, outpatient site and medical group under Mass General Brigham
Org Hierarchy Explorer maps the system down to each site of care, with the executives and department leaders at each one.
Source: Dmand AI Org Hierarchy Data
For health IT teams
Dmand AI maps the EHR in use at each Massachusetts hospital and the IT leaders who run it, from the CIO to IT directors, with validated work emails and direct dials.
7,566 executives and department leaders work at Massachusetts hospitals
Dmand AI tracks leadership at every Massachusetts hospital, from the C-suite to directors, and finds work emails and direct dials through healthcare waterfall enrichment.
Leaders by department
- Executive leadership938, names and contacts available with a free account
- Operations and administration778, names and contacts available with a free account
- Physicians and medical leadership760, names and contacts available with a free account
- Service lines and programs668, names and contacts available with a free account
- Nursing leadership531, names and contacts available with a free account
- Marketing and patient experience447, names and contacts available with a free account
- Other / unclassified336, names and contacts available with a free account
- Diagnostics299, names and contacts available with a free account
- Education and training249, names and contacts available with a free account
- Research and clinical trials226, names and contacts available with a free account
Get work emails and mobile numbers for leaders at all 103 Massachusetts hospitals
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Source: Dmand AI Executive Data
Acute care hospitals are the most common type of Massachusetts hospital, with 56
Massachusetts hospitals by type
- Acute care hospitals56
- Psychiatric hospitals19
- Long-term care hospitals10
- Inpatient rehabilitation hospitals6
- VA medical centers5
- Critical access hospitals4
- Children's hospitals3
Ownership, teaching and emergency care
Sources: Provider of Services File (CMS) and Hospital Provider Cost Report (CMS)
47,455 HCPs practice at Massachusetts hospitals, 26,814 of them physicians
Each clinician is counted once, across every Massachusetts hospital where they have a current affiliation.
HCPs at Massachusetts hospitals by type
- Physicians (MD, DO)26,814
- Nurses and nurse practitioners9,386
- Physician assistants4,665
- Behavioral health clinicians2,918
- Other HCPs3,672
Largest physician specialties at Massachusetts hospitals
- Internal medicine4,745
- Family medicine1,759
- Emergency medicine1,543
- Anesthesiology1,479
- Diagnostic radiology1,385
- Psychiatry1,149
- Pediatrics978
- Cardiovascular disease786
Source: Dmand AI Affiliation Data
Boston has the most hospitals in Massachusetts, with 14
More Massachusetts cities with two or more hospitals
- Jamaica Plain3
- Brighton2
- Brookline2
- Springfield2
- Taunton2
- Westborough2
- Westfield2
56 more Massachusetts cities have one hospital each. They are all in the list above.
Source: Provider of Services File (CMS)
Each Massachusetts hospital profile shows beds, the org hierarchy, HCPs and leaders
- Beds, discharges and revenueStaffed beds, inpatient discharges and net patient revenue from CMS cost reportsOn every profile
- Health system and sister hospitalsThe parent system and a sample of its other hospitalsOn every profile
- Affiliated HCPsA count by specialty and a sample of the physicians who practice thereOn every profile
- Size ranksRank by beds, discharges and revenue in the state and the USOn every profile
- Every outpatient site and unitThe full org tree below the hospital, site by siteWith a free account
- Executive contactsWork emails and direct dials for the C-suite and department leadersWith a free account
- EHR and technologyInpatient EHR vendor and the technology products in useWith a free account
- Full HCP rosterEvery affiliated clinician, with contactsWith a free account
Free account: 30 days free, self-serve, no credit card.
Sources: Hospital Provider Cost Report (CMS), Dmand AI Org Hierarchy Data and Dmand AI Affiliation Data
Sources for the Massachusetts hospital directory
| Data on this page | Source |
|---|---|
| Hospitals, types and services | Provider of Services File (CMS) |
| Beds, discharges and revenue | Hospital Provider Cost Report (CMS) |
| Health systems and outpatient sites | Dmand AI Org Hierarchy Data |
| Affiliated HCPs | Dmand AI Affiliation Data |
| Executives and department leaders | Dmand AI Executive Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
The directory counts hospitals with a CMS certification number (CCN). Beds come from each hospital's latest cost report.
FAQ
Frequently asked questions about hospitals 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 hospitals are in Massachusetts?
There are 103 hospitals in Massachusetts with a CMS certification number: 56 acute care hospitals, 19 psychiatric hospitals and 28 others, in 69 cities.
What is the largest hospital in Massachusetts?
Massachusetts General Hospital in Boston, with 997 staffed beds in its latest CMS cost report. Brigham and Women's Hospital is second with 846, and Baystate Medical Center is third with 740.
Which health system has the most hospitals in Massachusetts?
Mass General Brigham, with 13 hospitals, followed by Commonwealth of Massachusetts with 8 and Beth Israel Lahey Health with 6.
What are the major hospitals in Massachusetts?
The five biggest by staffed beds are Massachusetts General Hospital (997), Brigham and Women's Hospital (846), Baystate Medical Center (740), UMass Memorial Medical Center - University Campus (707) and Beth Israel Deaconess Medical Center (705).
Which city in Massachusetts has the most hospitals?
Boston, with 14 hospitals. Worcester and Brockton follow with 6 and 3.
How do I find a hospital's CCN or NPI?
Each Massachusetts hospital profile lists its CMS certification number (CCN) and NPI at the top, next to the address and main phone number.
How do I find decision makers at Massachusetts hospitals?
Dmand AI tracks 7,566 executives and department leaders at Massachusetts hospitals. Filter by hospital, health system, department or title, then get work emails and mobile numbers through waterfall enrichment. 30 days free, self-serve, no credit card.
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Find the right contacts at every Massachusetts hospital
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