Gregory A Gordon, M.D.

Primary specialty

Internal Medicine PhysicianTaxonomy code 207R00000X

License

226580 Issued in MA

Practice address

133 Brookline Ave
Internal Medicine
Boston, MA 02215-3904

Phone

(617) 421-8843

NPI assigned

Feb 21, 2006

Sex

Male

Sole proprietor

No

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

Specialties & licenses 1

Addresses

Other identifiers 4

Medicare fee-for-service enrollment

Not listed in the public Medicare enrollment file

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

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

{
    "created_epoch": "1140480000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783900800000",
    "number": "1356316608",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "147 MILK ST",
            "address_2": "PROVIDER ENROLLMENT - 9TH FLOOR",
            "city": "BOSTON",
            "state": "MA",
            "postal_code": "021094806",
            "telephone_number": "617-559-8374",
            "fax_number": "617-421-3487"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "133 BROOKLINE AVE",
            "address_2": "INTERNAL MEDICINE",
            "city": "BOSTON",
            "state": "MA",
            "postal_code": "022153904",
            "telephone_number": "617-421-8843"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "GORDON",
        "first_name": "GREGORY",
        "middle_name": "A",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-02-21",
        "last_updated": "2026-07-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "MA",
            "license": "226580",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "TUFTS",
            "identifier": "494375",
            "state": "MA"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "BLUE CROSS",
            "identifier": "J29568",
            "state": "MA"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "HARVARD PILGRIM",
            "identifier": "AA46469",
            "state": "MA"
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "2113210",
            "state": "MA"
        }
    ],
    "endpoints": [],
    "other_names": []
}

• Craig E. Gordon, MD
• Dan Gordon, MD
• Emily Rose Gordon, MD
• Erin Gordon, MS, RD, LDN
• Fredric D Gordon, M.D.
• James A Gordon, MD
• Jamila A Gordon, MSW
• Joyce S Gordon, MS,CCC/SLP
• Kayla Gordon, RN
• Leah M Gordon, NP-C

• Internal Medicine Physician in Boston, MA
• Providers in Boston, MA by specialty
• Internal Medicine Physician in Massachusetts

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 13, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.