Healthcare providers and owners in Massachusetts
Data as of 2026-10-26. Sources: CMS, NPPES and state records; see methodology.
Hospitals
98
Hospital outpatient sites
198
ERs, clinics and campuses
Urgent care centers
216
Nursing homes
321
CMS-certified skilled nursing
Largest hospital systems in Massachusetts
Systems and operators named in public records (CMS ownership, company disclosures); hospitals whose owner is not yet confirmed are left out.
Hospital systems and their outpatient sites in Massachusetts
All 98 hospitals and 198 hospital outpatient sites, ERs and clinics, tied to the systems that own them, in the full report.
Largest urgent care operators in Massachusetts
Each block is one urgent care center.
Largest nursing home groups in Massachusetts
Groups are CMS affiliated entities: homes that share owners or managers.
Counties
14| County | Hospitals | Nursing homes | Urgent care |
|---|---|---|---|
| Barnstable County | 4 | 14 | 9 |
| Berkshire County | 3 | 13 | 6 |
| Bristol County | 9 | 27 | 8 |
| Dukes County | 1 | 0 | 0 |
| Essex County | 7 | 43 | 22 |
| Franklin County | 1 | 3 | 1 |
| Hampden County | 10 | 25 | 18 |
| Hampshire County | 2 | 5 | 5 |
| Middlesex County | 15 | 67 | 51 |
| Nantucket County | 1 | 1 | 0 |
| Norfolk County | 9 | 29 | 32 |
| Plymouth County | 3 | 26 | 21 |
| Suffolk County | 21 | 20 | 20 |
| Worcester County | 12 | 48 | 23 |
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