OrganizationActive
Massachusetts General Hospital
NPI 1225232366 · General Acute Care Hospital · Boston, MA
Massachusetts General Hospital is a General Acute Care Hospital organization in Boston, MA (NPI 1225232366).
Provider details
- NPI number
- 1225232366
- Entity type
- Organization
- Primary specialty
- General Acute Care HospitalHospitals
- Organization subpart
- No
- Authorized official
- Judianne Henderson, Oncology Nurse Practitioner(617) 643-2013
Specialties & taxonomies
Hospitals
Profile Score
Detailed profile(89/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
55 Fruit St
Yawkey Building Suite 7b
Boston, MA 02114-2621
Phone: (617) 643-2013
Street-level locationGet directions
Mailing address
122 Riverway
Boston, MA 02215-4117
Registry dates
- Enumerated
- 2007-06-13
- Last updated
- 2020-08-22
Frequently asked questions
- What is Massachusetts General Hospital's NPI number?
- Massachusetts General Hospital's National Provider Identifier (NPI) is 1225232366, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Massachusetts General Hospital?
- Massachusetts General Hospital is classified in the NPPES registry as General Acute Care Hospital (Hospitals).
- Where is Massachusetts General Hospital located?
- Massachusetts General Hospital's practice location on file with NPPES is 55 Fruit St, Boston, MA 02114-2621.
- What is Massachusetts General Hospital's phone number?
- The practice phone number listed in the NPPES registry for Massachusetts General Hospital is (617) 643-2013.
- Who is the authorized official for Massachusetts General Hospital?
- The authorized official listed on Massachusetts General Hospital's NPPES record is Judianne Henderson, Oncology Nurse Practitioner. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Massachusetts General Hospital's NPI active?
- Yes — Massachusetts General Hospital's NPI (1225232366) is active in the NPPES registry as of the last update on 2020-08-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.