Hospitals in Boston, MA
- Hospitals
- 14
- Staffed beds
- 4,959
- Teaching hospitals
- 10
- Outpatient sites
- 111
- Affiliated HCPs
- 24,191
There are 14 hospitals in Boston, counting every hospital with a CMS certification number. Massachusetts General Hospital is the largest, with 997 staffed beds, followed by Brigham and Women's Hospital with 846. Mass General Brigham runs the most Boston hospitals, 3.
Find the decision makers at all 14 Boston hospitals
Work emails and mobile numbers for 4,772 executives and department leaders, found through healthcare waterfall enrichment, with a free Dmand AI account.
Massachusetts General Hospital is the largest hospital in Boston, with 997 beds
Ranked by staffed beds in each hospital's latest CMS cost report. Brigham and Women's Hospital is second with 846 beds, and Beth Israel Deaconess Medical Center is third with 705.
Sources: Hospital Provider Cost Report (CMS) and Dmand AI Affiliation Data
There are 14 hospitals in Boston, MA
The full list of Boston hospitals, A to Z. 9 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 14 Boston hospitals by hospital type, health system, staffed beds, EHR vendor and leaders on file in Dmand AI.
Showing 1 to 10 of 14 hospitals in Boston
Sources: Provider of Services File (CMS) and Dmand AI Org Hierarchy Data
Mass General Brigham runs the most Boston hospitals, with 3
Dmand AI maps every Boston hospital to its parent organization, up to the health system. 2 health systems and parent organizations run two or more Boston 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 Boston hospital and the IT leaders who run it, from the CIO to IT directors, with validated work emails and direct dials.
4,772 executives and department leaders work at Boston hospitals
Dmand AI tracks leadership at every Boston hospital, from the C-suite to directors, and finds work emails and direct dials through healthcare waterfall enrichment.
Leaders by department
- Operations and administration554, names and contacts available with a free account
- Executive leadership497, names and contacts available with a free account
- Service lines and programs462, names and contacts available with a free account
- Physicians and medical leadership432, names and contacts available with a free account
- Marketing and patient experience370, names and contacts available with a free account
- Nursing leadership347, names and contacts available with a free account
- Other / unclassified213, names and contacts available with a free account
- Research and clinical trials206, names and contacts available with a free account
- Diagnostics195, names and contacts available with a free account
- Education and training181, names and contacts available with a free account
Get work emails and mobile numbers for leaders at all 14 Boston hospitals
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Source: Dmand AI Executive Data
Acute care hospitals make up 9 of the 14 hospitals in Boston
Boston hospitals by type
- Acute care hospitals9
- Children's hospitals2
- Psychiatric hospitals2
- Long-term care hospitals1
Ownership, teaching and emergency care
Sources: Provider of Services File (CMS) and Hospital Provider Cost Report (CMS)
Massachusetts General Hospital has the most affiliated doctors of any Boston hospital, with 5,328
Across all 14 Boston hospitals, 24,191 HCPs have a current affiliation, 15,268 of them physicians. Each clinician is counted once. Brigham and Women's Hospital is second with 5,190 affiliated physicians.
HCPs at Boston hospitals by type
- Physicians (MD, DO)15,268
- Nurses and nurse practitioners3,789
- Physician assistants1,974
- Behavioral health clinicians1,325
- Other HCPs1,835
Largest physician specialties at Boston hospitals
- Internal medicine2,726
- Diagnostic radiology864
- Anesthesiology843
- Pediatrics734
- Family medicine630
- Cardiovascular disease539
- Psychiatry507
- Emergency medicine477
Source: Dmand AI Affiliation Data
Each Boston 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 Boston 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 Boston
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 Boston?
There are 14 hospitals in Boston with a CMS certification number: 9 acute care hospitals, 2 children's hospitals and 3 others.
What is the largest hospital in Boston?
Massachusetts General Hospital, with 997 staffed beds in its latest CMS cost report. Brigham and Women's Hospital is second with 846, and Beth Israel Deaconess Medical Center is third with 705.
What are the main hospital systems in Boston?
Mass General Brigham, with 3 Boston hospitals, followed by Beth Israel Lahey Health with 2.
Which Boston hospital has the most doctors?
Massachusetts General Hospital, with 5,328 affiliated physicians, followed by Brigham and Women's Hospital with 5,190.
What types of hospitals are in Boston?
9 acute care hospitals, 2 children's hospitals, 2 psychiatric hospitals and 1 long-term care hospital.
How do I find a hospital's CCN or NPI?
Each Boston 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 Boston hospitals?
Dmand AI tracks 4,772 executives and department leaders at Boston 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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