Massachusetts General Hospital
NPI 1427423946 · Mammography Clinic/Center · Boston, MA
Massachusetts General Hospital is a Mammography Clinic/Center organization in Boston, MA (NPI 1427423946).
Provider details
- NPI number
- 1427423946
- Entity type
- Organization
- Primary specialty
- Mammography Clinic/CenterAmbulatory Health Care Facilities
- Organization subpart
- No
- Authorized official
- Constance Lehman, Director of Breast Imaging(617) 724-3483
- License
- 153670 (MA)
Specialties & taxonomies
Ambulatory Health Care Facilities
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
10 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
Mailing address
Registry dates
- Enumerated
- 2015-12-09
- Last updated
- 2015-12-09
Frequently asked questions
- What is Massachusetts General Hospital's NPI number?
- Massachusetts General Hospital's National Provider Identifier (NPI) is 1427423946, 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 Mammography Clinic/Center (Ambulatory Health Care Facilities).
- 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) 724-3483.
- Who is the authorized official for Massachusetts General Hospital?
- The authorized official listed on Massachusetts General Hospital's NPPES record is Constance Lehman, Director of Breast Imaging. 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 (1427423946) is active in the NPPES registry as of the last update on 2015-12-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.