NPIMap

Organization Active NPI

Mass General Brigham Community Physicians Inc.

Doing business as Westford Internal Medicine

  • Internal Medicine Physician
  • Westford, MA
National Provider Identifier
1497216279
Registry record updated Dec 22, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Internal Medicine PhysicianTaxonomy code 207R00000X
Legal business name
MASS GENERAL BRIGHAM COMMUNITY PHYSICIANS INC.
Doing business as
Westford Internal Medicine
Practice address
133 Littleton Rd Ste 202
Westford, MA 01886-3198
Phone
(978) 557-1946
NPI assigned
Mar 26, 2019
Last updated
Dec 22, 2025By the provider in NPPES
Organization subpart
No

NPPES NPI Registry

Updated by the provider on Dec 22, 2025

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
(857) 282-5157

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Family Medicine PhysicianGroup: 193200000X MULTI-SPECIALTY GROUP 207Q00000X
Internal Medicine PhysicianGroup: 193200000X MULTI-SPECIALTY GROUP 207R00000X Primary

Addresses

Primary practice location

133 Littleton Rd Ste 202
Westford, MA 01886-3198

Mailing address

399 Revolution Dr Ste 1010
Somerville, MA 02145-1582

Other names 1

  • Westford Internal Medicine Doing business as

Medicare participation

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

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
O20190617001044 MA Part B Supplier - Clinic/Group Practice 1759273436 Receives reassigned benefits from 17 practitioners
Practice locations: Westford, MA

Other NPIs with the same Medicare PAC ID 5

NPIs whose Medicare enrollments share a PECOS associate control ID (the same enrolled entity).

National Provider Directory

National Provider Directory

Practitioners & affiliated clinicians

Practitioners 17

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 17

NPI Registry JSON

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

{
    "created_epoch": "1553558400000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1766361600000",
    "number": "1497216279",
    "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": "133 LITTLETON RD STE 202",
            "city": "WESTFORD",
            "state": "MA",
            "postal_code": "018863198",
            "telephone_number": "978-557-1946"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "organization_name": "MASS GENERAL BRIGHAM COMMUNITY PHYSICIANS INC.",
        "organizational_subpart": "NO",
        "enumeration_date": "2019-03-26",
        "last_updated": "2025-12-22",
        "certification_date": "2025-12-22",
        "status": "A",
        "authorized_official_last_name": "STOFER",
        "authorized_official_first_name": "LYNN",
        "authorized_official_title_or_position": "PRESIDENT& COO",
        "authorized_official_telephone_number": "857-282-5157"
    },
    "taxonomies": [
        {
            "code": "207Q00000X",
            "taxonomy_group": "193200000X MULTI-SPECIALTY GROUP",
            "desc": "Family Medicine",
            "state": null,
            "license": null,
            "primary": false
        },
        {
            "code": "207R00000X",
            "taxonomy_group": "193200000X MULTI-SPECIALTY GROUP",
            "desc": "Internal Medicine",
            "state": null,
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": [
        {
            "organization_name": "Westford Internal Medicine",
            "code": "3",
            "type": "Doing Business As"
        },
        {
            "organization_name": "Westford Internal Medicine",
            "code": "3",
            "type": "Doing Business As"
        }
    ]
}

Other providers in Westford, MA

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Dec 22, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
  • Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments.
  • National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.