William Dusty Irwin

Primary specialty

PsychologistTaxonomy code 103T00000X

Practice address

1131 E International Airport Rd
Anchorage, AK 99518-1416

Phone

(907) 276-2700

NPI assigned

May 29, 2020

Last updated

Aug 5, 2025By 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

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

{
    "created_epoch": "1590710400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1754352000000",
    "number": "1588288146",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1131 E INTERNATIONAL AIRPORT RD",
            "city": "ANCHORAGE",
            "state": "AK",
            "postal_code": "995181416",
            "telephone_number": "907-276-2700"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1131 E INTERNATIONAL AIRPORT RD",
            "city": "ANCHORAGE",
            "state": "AK",
            "postal_code": "995181416",
            "telephone_number": "907-276-2700"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "IRWIN",
        "first_name": "WILLIAM",
        "middle_name": "DUSTY",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2020-05-29",
        "last_updated": "2025-08-05",
        "certification_date": "2025-08-05",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "103T00000X",
            "taxonomy_group": "",
            "desc": "Psychologist",
            "state": null,
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Karina Ireno
• Kathleen Irizarry
• Catherine Louise Irwin, MD
• June Irwin, RN
• Wendy Marie Irwin, LCSW
• Abdulkarim Isa
• Scott Isaak
• Kristi Michelle Isaeff, M.A., M.S.W.
• Kevin Isakson, MD
• Vili Isaloi

• Psychologist in Anchorage, AK
• Providers in Anchorage, AK by specialty
• Psychologist in Alaska

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 5, 2025; 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.