Thomas Wong, MD

Primary specialty

Internal Medicine PhysicianTaxonomy code 207R00000X

License

40940 Issued in MA

Practice address

321 Main St
Acton, MA 01720-3718

Phone

(978) 263-1131

Fax

(978) 263-1562

NPI assigned

Oct 26, 2005

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 1

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": "1130284800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783900800000",
    "number": "1194715680",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "36 NASHOBA RD",
            "city": "ACTON",
            "state": "MA",
            "postal_code": "017202330",
            "telephone_number": "978-263-6711"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "321 MAIN ST",
            "city": "ACTON",
            "state": "MA",
            "postal_code": "017203718",
            "telephone_number": "978-263-1131",
            "fax_number": "978-263-1562"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "WONG",
        "first_name": "THOMAS",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2005-10-26",
        "last_updated": "2026-07-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "MA",
            "license": "40940",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "2067595",
            "state": "MA"
        }
    ],
    "endpoints": [],
    "other_names": []
}

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• Internal Medicine Physician in Acton, MA
• Providers in Acton, 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.