William Philip Armistead, PHD

Primary specialty

PsychologistTaxonomy code 103T00000X

License

24140 Issued in TX

Practice address

122 South Old Gun Barrel Lane
Suite 6
Gun Barrel City, TX 75156

Phone

(903) 887-0697

NPI assigned

Aug 7, 2026

Last updated

Aug 12, 2026By the provider in NPPES

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

Medicare fee-for-service enrollment

Not listed in the public Medicare enrollment file

Medicare enrollment (NPD)

Not enrolled

Practice roles

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

• East Texas Neurobehavioral Health,PLLC

  • Clinical Psychologist
  • Gun Barrel City, TX
  • NPI 1114285970
  NPD (past)

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

{
    "created_epoch": "1786060800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1786492800000",
    "number": "1053235408",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 8291",
            "city": "ENNIS",
            "state": "TX",
            "postal_code": "751208291",
            "telephone_number": "903-887-0697",
            "fax_number": "903-887-0698"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "122 SOUTH OLD GUN BARREL LANE",
            "address_2": "SUITE 6",
            "city": "GUN BARREL CITY",
            "state": "TX",
            "postal_code": "75156",
            "telephone_number": "903-887-0697"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "ARMISTEAD",
        "first_name": "WILLIAM",
        "middle_name": "PHILIP",
        "credential": "PHD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2026-08-07",
        "last_updated": "2026-08-12",
        "certification_date": "2026-08-12",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "103T00000X",
            "taxonomy_group": "",
            "desc": "Psychologist",
            "state": "TX",
            "license": "24140",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

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• Psychologist in Gun Barrel City, TX
• Providers in Gun Barrel City, TX by specialty
• Psychologist in Texas

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 12, 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.