WILLIAM DUSTY IRWIN
NPI 1588288146
Psychologist in Anchorage, AK

Active since May 29, 2020
1131 E INTERNATIONAL AIRPORT RD, ANCHORAGE, AK 99518(907) 276-2700 Get Directions Write a Review

NPPES record last updated: August 5, 2025. Verified against the NPPES registry weekly; last sync: July 26, 2026.

Record update history: Aug 5, 2025, May 29, 2020 (2 updates tracked since 2020).

About William Dusty Irwin NPPES

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

WILLIAM DUSTY IRWIN (NPI 1588288146) is an individual psychologist in Anchorage, Alaska and active in the NPI registry since May 2020.

NPPES Registry Identity

NPI1588288146
Entity TypeIndividualMale
Primary Taxonomy103T00000X
Provider Legal NameWILLIAM DUSTY IRWIN
Location Address1131 E INTERNATIONAL AIRPORT RDAnchorage, AK 99518-1416
Mailing Address1131 E International Airport RdAnchorage, AK 99518-1416 · (907) 276-2700
Sole ProprietorNo
Enumeration DateMay 29, 2020
Last NPPES UpdateAugust 5, 20252 updates tracked since enumeration
NPPES CertifiedAugust 5, 2025
NPI 1588288146 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyPsychologistBehavioral Health & Social Service Providers
Taxonomy Code103T00000X
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.

1131 E INTERNATIONAL AIRPORT RD, Anchorage, AK 99518

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Counselor (Mental Health)
1131 E INTERNATIONAL AIRPORT RD
ANCHORAGE, AK 99518
Psychologist (Counseling)
1131 E INTERNATIONAL AIRPORT RD
ANCHORAGE, AK 99518
Psychologist
1131 E INTERNATIONAL AIRPORT RD
ANCHORAGE, AK 99518
Social Worker
1131 E INTERNATIONAL AIRPORT RD
ANCHORAGE, AK 99518
Nurse Practitioner
1131 E INTERNATIONAL AIRPORT RD
ANCHORAGE, AK 99518
Psychologist
1131 E INTERNATIONAL AIRPORT RD
ANCHORAGE, AK 99518
Counselor (Mental Health)
1131 E INTERNATIONAL AIRPORT RD
ANCHORAGE, AK 99518
Psychologist
1131 E INTERNATIONAL AIRPORT RD
ANCHORAGE, AK 99518

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 Irwin's NPI number?

The NPI number for William Irwin is 1588288146. It was assigned to this individual provider in the NPPES registry on May 29, 2020.

Where is William Irwin located?

William Irwin practices at 1131 E International Airport Rd, Anchorage, AK 99518. The listed phone number is (907) 276-2700.

What is William Irwin'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 Irwin was last updated on August 5, 2025. NPI Profile syncs with the weekly NPPES data releases published by CMS.