Owners/Mass General Brigham

Mass General Brigham

Health system: 1 hospitals, 11 outpatient sites, ERs and clinics, 3 urgent care centers.

Last confirmed 2026-10-27 · Sources: CMS Medicare enrollment and hospital ownership (PECOS), Provider of Services, the company's own locations, NPPES

Hospitals
1
Outpatient sites, ERs and clinics
11
Urgent care centers
3
States
1

Where its listed facilities are

10 of 15

Facilities

10 of 15
NameCityType
Mass General Brigham at Wentworth Professional BuildingDover, NHHospital outpatient department
Mass General Brigham Community Dental CenterDover, NHHospital outpatient department
The Doorway Substance Use Services at Wentworth-DouglassDover, NHHospital outpatient department
The Doorway Substance Use Services at Wentworth-DouglassHampton, NHHospital outpatient department
Wentworth Douglass HospitalPortsmouth, NHUrgent care center
Wentworth Douglass HospitalDover, NHUrgent care center
Wentworth Douglass HospitalSomersworth, NHUrgent care center
WENTWORTH-DOUGLASS HOSPITALDOVER, NHShort-term acute hospital
WENTWORTH-DOUGLASS HOSPITAL - DoverDover, NHHospital outpatient department
WENTWORTH-DOUGLASS HOSPITAL - DoverDover, NHHospital outpatient department

By state

StateFacilities
New Hampshire15

All 15 facilities

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How Mass General Brigham is structured

Mass General Brigham15 facilities
Operator
Operator
Operator
Operator
Operator
Operator
Operator and facility names are in the full report.

Full ownership tree

1 entities between the facilities and the ultimate owner, with ownership percentages and dates.

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