William Brian Findlay, M.S., B.C.B.A.

Primary specialty

Behavior AnalystTaxonomy code 103K00000X

License

1518 Issued in TX

Practice address

1322 Falcon Dr
Lewisville, TX 75077-7637

Phone

(251) 331-1436

NPI assigned

Jan 12, 2009

Last updated

Oct 6, 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

Credentials

Master of Science

Practice roles

Locations

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.

• Dallas County Mental Health & Mental Retardation Center

  dba Metrocare Services

  • Psychiatry Physician
  • Dallas, TX
  • NPI 1023239886

  Behavior Analyst

  NPD

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

{
    "created_epoch": "1231718400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1791244800000",
    "number": "1003053190",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1322 FALCON DR",
            "city": "LEWISVILLE",
            "state": "TX",
            "postal_code": "750777637",
            "telephone_number": "251-331-1436"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1322 FALCON DR",
            "city": "LEWISVILLE",
            "state": "TX",
            "postal_code": "750777637",
            "telephone_number": "251-331-1436"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "FINDLAY",
        "first_name": "WILLIAM",
        "middle_name": "BRIAN",
        "name_prefix": "Mr.",
        "credential": "M.S., B.C.B.A.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2009-01-12",
        "last_updated": "2026-10-06",
        "certification_date": "2026-10-06",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "103K00000X",
            "taxonomy_group": "",
            "desc": "Behavior Analyst",
            "state": "TX",
            "license": "1518",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

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• Behavior Analyst in Lewisville, TX
• Providers in Lewisville, TX by specialty
• Behavior Analyst in Texas

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Oct 6, 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.