H. Emerson Thomas Jr., M.D.

Primary specialty

Internal Medicine PhysicianTaxonomy code 207R00000X

License

27888 Issued in MA

Practice address

780 Boylston St
Plaza Level
Boston, MA 02199-7820

Phone

(617) 262-1500

Fax

(617) 262-7015

NPI assigned

May 17, 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 1

Medicare fee-for-service enrollment

Not listed in the public Medicare enrollment file

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships and National Provider Directory roles.

• BMC Affiliated Physicians, Inc.

  • Internal Medicine Physician
  • Boston, MA
  • NPI 1245320910
  NPD (past)
• Medical Care Affiliates

  • Internal Medicine Physician
  • Boston, MA
  • NPI 1619080355
  NPD (past)

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

{
    "created_epoch": "1147824000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783900800000",
    "number": "1609828318",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "212 HIGHLAND ST",
            "city": "MARSHFIELD",
            "state": "MA",
            "postal_code": "020506217",
            "telephone_number": "781-837-3323"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "780 BOYLSTON ST",
            "address_2": "PLAZA LEVEL",
            "city": "BOSTON",
            "state": "MA",
            "postal_code": "021997820",
            "telephone_number": "617-262-1500",
            "fax_number": "617-262-7015"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "THOMAS",
        "first_name": "H.",
        "middle_name": "EMERSON",
        "name_suffix": "Jr.",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-05-17",
        "last_updated": "2026-07-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "MA",
            "license": "27888",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "0187623",
            "state": "MA"
        }
    ],
    "endpoints": [],
    "other_names": []
}

• David Karingantil Thomas, M.D.
• David R Thomas, LICSW
• Emma Elizabeth Thomas
• Faemy Thomas
• Geeva K Thomas
• Huw F Thomas, BDS
• Isaiah Malickal Thomas, MD
• Jane Delima Thomas, M.D.
• Jennifer Joanne Thomas, PH.D.
• Jennifer Michelle Thomas, MD

• 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.