Individual provider Active NPI

William Vandiver Harford Jr, M.D.

  • Gastroenterology Physician
  • Dallas, TX
National Provider Identifier
1649255258
Registry record updated Jul 13, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Gastroenterology PhysicianTaxonomy code 207RG0100X
License
E0957 Issued in TX
Practice address
4500 S Lancaster Rd
Gastro 111B1, Dvamc
Dallas, TX 75216-7167
Phone
(214) 371-6441
Fax
(214) 857-1571
NPI assigned
Dec 7, 2005
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jul 13, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Gastroenterology Physician 207RG0100X E0957 TX Primary

Addresses

Primary practice location

4500 S Lancaster Rd
Gastro 111B1, Dvamc
Dallas, TX 75216-7167

Mailing address

4500 S Lancaster Rd
Gastro 111B1, Dvamc
Dallas, TX 75216-7167
Phone (214) 371-6441

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Not listed in the public Medicare enrollment file

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Doctor of Medicine

State licenses

LicenseStateTypeSpecialty
E0957TXMDGastroenterology Physician

NPI Registry JSON

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

{
    "created_epoch": "1133913600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783900800000",
    "number": "1649255258",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "4500 S LANCASTER RD",
            "address_2": "GASTRO 111B1, DVAMC",
            "city": "DALLAS",
            "state": "TX",
            "postal_code": "752167167",
            "telephone_number": "214-371-6441",
            "fax_number": "214-857-1571"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "4500 S LANCASTER RD",
            "address_2": "GASTRO 111B1, DVAMC",
            "city": "DALLAS",
            "state": "TX",
            "postal_code": "752167167",
            "telephone_number": "214-371-6441",
            "fax_number": "214-857-1571"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "HARFORD JR",
        "first_name": "WILLIAM",
        "middle_name": "VANDIVER",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2005-12-07",
        "last_updated": "2026-07-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RG0100X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Gastroenterology",
            "state": "TX",
            "license": "E0957",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Dallas, TX

Sources for this page

  • 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.