NPIMap

Organization Active NPI

Massachusetts General Physicians Organization, Inc

  • Durable Medical Equipment & Medical Supplies
  • Waltham, MA
National Provider Identifier
1326766205
Registry record updated May 4, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Durable Medical Equipment & Medical SuppliesTaxonomy code 332B00000X
Legal business name
MASSACHUSETTS GENERAL PHYSICIANS ORGANIZATION, INC
Practice address
52 Second Ave Ste 3300
Waltham, MA 02451-1155
Phone
(781) 487-6064
NPI assigned
Aug 17, 2022
Last updated
May 4, 2026By the provider in NPPES
Organization subpart
No

NPPES NPI Registry

Updated by the provider on May 4, 2026

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

Authorized official

Name
Joanna Hazell
Title
Director, Provider Enrollment
Phone
(781) 254-4854

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Durable Medical Equipment & Medical Supplies 332B00000X NU Primary

Addresses

Primary practice location

52 Second Ave Ste 3300
Waltham, MA 02451-1155

Mailing address

PO Box 419095
Boston, MA 02241-9095

Other identifiers 1

IdentifierTypeStateIssuer
110000037CMedicaidMA

Medicare participation

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

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
O20230307000231 MA DME Supplier - Physician - General Practice 2466365820 Practice locations: Waltham, MA

Other NPIs with the same Medicare PAC ID 3

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

National Provider Directory

National Provider Directory
Tax ID family
Edwin Lee Carter MD15 organizations share this tax ID, including this one

Other organizations with this tax ID 14

Organizations that report the same tax identification number in the National Provider Directory.

View all 14

NPI Registry JSON

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

{
    "created_epoch": "1660694400000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1777852800000",
    "number": "1326766205",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 419095",
            "city": "BOSTON",
            "state": "MA",
            "postal_code": "022419095"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "52 SECOND AVE STE 3300",
            "city": "WALTHAM",
            "state": "MA",
            "postal_code": "024511155",
            "telephone_number": "781-487-6064"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "organization_name": "MASSACHUSETTS GENERAL PHYSICIANS ORGANIZATION, INC",
        "organizational_subpart": "NO",
        "enumeration_date": "2022-08-17",
        "last_updated": "2026-05-04",
        "certification_date": "2026-05-04",
        "status": "A",
        "authorized_official_last_name": "HAZELL",
        "authorized_official_first_name": "JOANNA",
        "authorized_official_title_or_position": "DIRECTOR, PROVIDER ENROLLMENT",
        "authorized_official_telephone_number": "781-254-4854"
    },
    "taxonomies": [
        {
            "code": "332B00000X",
            "taxonomy_group": "",
            "desc": "Durable Medical Equipment & Medical Supplies",
            "state": "NU",
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "110000037C",
            "state": "MA"
        }
    ],
    "endpoints": [],
    "other_names": []
}

Other providers in Waltham, MA

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on May 4, 2026; 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.