NPIMap

Organization Active NPI

Mass General Brigham Community Physicians Inc.

Doing business as One Medical

  • Family Medicine Physician
  • Boston, MA
National Provider Identifier
1265094122
Registry record updated Apr 24, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Family Medicine PhysicianTaxonomy code 207Q00000X
Legal business name
MASS GENERAL BRIGHAM COMMUNITY PHYSICIANS INC.
Doing business as
One Medical
Practice address
53 State St Ste 106
Boston, MA 02109-2820
Phone
(617) 903-5000
NPI assigned
Jul 1, 2019
Last updated
Apr 24, 2026By the provider in NPPES
Organization subpart
No

NPPES NPI Registry

Updated by the provider on Apr 24, 2026

Registry information is reported by the provider to CMS and is not verified. About this source

Authorized official

Name
Lynn Stofer
Title
President & Coo
Phone
(617) 763-9047

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Family Medicine Physician 207Q00000X NU Primary
Internal Medicine Physician 207R00000X NU

Addresses

Primary practice location

53 State St Ste 106
Boston, MA 02109-2820

Mailing address

399 Revolution Dr Ste 1010
Somerville, MA 02145-1582

Other practice location 1

185 Dartmouth St Ste 603
Boston, MA 02116-5883
Phone (617) 224-5351

Other practice location 2

300 Needham St Ste 1B
Newton, MA 02464-1572
Phone (617) 903-5000

Other names 1

  • One Medical Doing business as

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in MA

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
O20150723007726 MA Part B Supplier - Clinic/Group Practice 1759273436 Receives reassigned benefits from 397 practitioners
2 other NPIs on this enrollment
This NPI is an additional NPI on the enrollment
Practice locations: Watertown, MA; North Andover, MA; Newton, MA; Newburyport, MA; Boston, MA; Medford, MA; Lawrence, MA; Haverhill, MA…

Other NPIs on the same Medicare enrollment 2

NPIs listed together on one Medicare enrollment, typically parts of the same organization.

Laboratory certificates & supplier records

Derived by NPIMap

These CMS records do not include an NPI. They are shown because their name and street address match this provider’s.

CLIA laboratory certificates

CLIA numberLaboratoryCertificateExpires
22D2339294One Medical - Fidi 53 State St53 State Street, #106, Seniors/Enterprise, Boston, MA 02109Certificate of waiverFeb 26, 2028

National Provider Directory

National Provider Directory

Locations

26 Thomson Pl
Boston, MA 02210

28 State St
Ste 2860
Boston, MA 02109

822 Somerville Ave
Cambridge, MA 02140
Phone (617) 520-9530

300 Needham St
Ste 1B
Newton, MA 02464
Phone (860) 751-4339

Practitioners & affiliated clinicians

Practitioners 65

Individual providers connected to this organization through Medicare benefit reassignment, Care Compare group membership or National Provider Directory roles, and the practitioner matching its NPPES authorized official.

View all 65

NPI Registry JSON

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1561939200000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1776988800000",
    "number": "1265094122",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "399 REVOLUTION DR STE 1010",
            "city": "SOMERVILLE",
            "state": "MA",
            "postal_code": "021451582"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "53 STATE ST STE 106",
            "city": "BOSTON",
            "state": "MA",
            "postal_code": "021092820",
            "telephone_number": "617-903-5000"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "185 Dartmouth St Ste 603",
            "address_purpose": "LOCATION",
            "city": "Boston",
            "state": "MA",
            "postal_code": "021165883",
            "country_code": "US",
            "telephone_number": "617-224-5351",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "300 Needham St Ste 1B",
            "address_purpose": "LOCATION",
            "city": "Newton",
            "state": "MA",
            "postal_code": "024641572",
            "country_code": "US",
            "telephone_number": "617-903-5000",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "organization_name": "MASS GENERAL BRIGHAM COMMUNITY PHYSICIANS INC.",
        "organizational_subpart": "NO",
        "enumeration_date": "2019-07-01",
        "last_updated": "2026-04-24",
        "certification_date": "2026-04-24",
        "status": "A",
        "authorized_official_last_name": "STOFER",
        "authorized_official_first_name": "LYNN",
        "authorized_official_title_or_position": "PRESIDENT & COO",
        "authorized_official_telephone_number": "617-763-9047"
    },
    "taxonomies": [
        {
            "code": "207Q00000X",
            "taxonomy_group": "",
            "desc": "Family Medicine",
            "state": "NU",
            "license": null,
            "primary": true
        },
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "NU",
            "license": null,
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": [
        {
            "organization_name": "One Medical",
            "code": "3",
            "type": "Doing Business As"
        },
        {
            "organization_name": "One Medical",
            "code": "3",
            "type": "Doing Business As"
        }
    ]
}

Other providers in Boston, MA

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Apr 24, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
  • Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments.
  • Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
  • National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.