Newly Listed Provider — this NPI profile has been added to the NPI registry within the last 90 days.

WILLIAM PHILIP ARMISTEAD
NPI 1053235408
Psychologist in Gun Barrel City, TX

Active since August 07, 2026
122 SOUTH OLD GUN BARREL LANE, SUITE 6, GUN BARREL CITY, TX 75156(903) 887-0697 Get Directions Write a Review

NPPES record added: August 7, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About William Philip Armistead NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

WILLIAM PHILIP ARMISTEAD (NPI 1053235408) is an individual psychologist in Gun Barrel City, Texas, licensed in Texas (24140) and active in the NPI registry since August 2026.

NPPES Registry Identity

NPI1053235408
Entity TypeIndividualMale
Primary Taxonomy103T00000X
Provider Legal NameWILLIAM PHILIP ARMISTEAD
Location Address122 SOUTH OLD GUN BARREL LANE, SUITE 6Gun Barrel City, TX 75156
Mailing AddressPo Box 8291Ennis, TX 75120-8291 · (903) 887-0697 · Fax (903) 887-0698
Sole ProprietorYes
Enumeration DateAugust 7, 2026
NPPES CertifiedJuly 29, 2026
NPI 1053235408 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyPsychologistBehavioral Health & Social Service Providers
Taxonomy Code103T00000X
License Licensed in TX · 24140
Definition
A psychologist is an individual who is licensed to practice psychology which is defined as the observation, description, evaluation, interpretation, and modification of human behavior by the application of psychological principles, methods, and procedures, for the purpose of preventing or eliminating symptomatic, maladaptive, or undesired behavior and of enhancing interpersonal relationships, work and life adjustment, personal effectiveness, behavioral health, and mental health. The practice of psychology includes, but is not limited to, psychological testing and the evaluation or assessment of personal characteristics, such as intelligence, personality, abilities, interests, aptitudes, and neuropsychological functioning; counseling, psychoanalysis, psychotherapy, hypnosis, biofeedback, and behavior analysis and therapy; diagnosis and treatment of mental and emotional disorder or disability, alcoholism and substance abuse, disorders of habit or conduct, as well as of the psychological aspects of physical illness, accident, injury, or disability; and psycheducational evaluation, therapy, remediation, and consultation. Psychological services may be rendered to individuals, families, groups and the public.
122 SOUTH OLD GUN BARREL LANE, Gun Barrel City, TX 75156

Group Practice 1

Group TaxonomyThis provider is a business group of one or more individual practitioners, who practice with different areas of specialization.193200000X MULTI-SPECIALTY GROUP

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is William Armistead's NPI number?

The NPI number for William Armistead is 1053235408. It was assigned to this individual provider in the NPPES registry on August 7, 2026.

Where is William Armistead located?

William Armistead practices at 122 South Old Gun Barrel Lane Suite 6, Gun Barrel City, TX 75156. The listed phone number is (903) 887-0697.

What is William Armistead's specialty?

The primary specialty registered for this NPI is Psychologist with taxonomy code 103T00000X.

When was this NPI record last updated?

The NPPES record for William Armistead was last updated on August 7, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.