Mass General Brigham
NPI 1598551012 · Nurse Practitioner · Boston, MA
Mass General Brigham is a Nurse Practitioner organization in Boston, MA (NPI 1598551012).
Provider details
- NPI number
- 1598551012
- Entity type
- Organization
- Primary specialty
- Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Organization subpart
- No
- Authorized official
- Katelyn Barry, NP(413) 537-0159
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
1 yr 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
- 2025-04-21
- Last updated
- 2025-04-24
- Certified
- 2025-04-24
Frequently asked questions
- What is Mass General Brigham's NPI number?
- Mass General Brigham's National Provider Identifier (NPI) is 1598551012, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Mass General Brigham?
- Mass General Brigham is classified in the NPPES registry as Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Mass General Brigham located?
- Mass General Brigham's practice location on file with NPPES is 55 Fruit St, Boston, MA 02114-2621.
- What is Mass General Brigham's phone number?
- The practice phone number listed in the NPPES registry for Mass General Brigham is (617) 726-2000.
- Who is the authorized official for Mass General Brigham?
- The authorized official listed on Mass General Brigham's NPPES record is Katelyn Barry, NP. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Mass General Brigham's NPI active?
- Yes — Mass General Brigham's NPI (1598551012) is active in the NPPES registry as of the last update on 2025-04-24.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.