John Byron Gassaway, PSY.D.

Primary specialty

Clinical PsychologistTaxonomy code 103TC0700X

License

4259 Issued in AZ

Practice address

7219 N Litchfield Rd
56 MDG
Luke Afb, AZ 85309-1529

Phone

(602) 989-0982

NPI assigned

Apr 27, 2012

Sex

Male

Sole proprietor

Yes

Registry information is reported by the provider to CMS and is not verified. About this source

Specialties & licenses 2

Addresses

Medicare fee-for-service enrollment

Not listed in the public Medicare enrollment file

Medicare enrollment (NPD)

Enrolled

State licenses

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

{
    "created_epoch": "1335484800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1761696000000",
    "number": "1699033506",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "7219 N LITCHFIELD RD BLDG 1130",
            "city": "LUKE AFB",
            "state": "AZ",
            "postal_code": "853091529",
            "telephone_number": "623-856-2296"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "7219 N LITCHFIELD RD",
            "address_2": "56 MDG",
            "city": "LUKE AFB",
            "state": "AZ",
            "postal_code": "853091529",
            "telephone_number": "602-989-0982"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "GASSAWAY",
        "first_name": "JOHN",
        "middle_name": "BYRON",
        "name_prefix": "Dr.",
        "credential": "PSY.D.",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2012-04-27",
        "last_updated": "2025-10-29",
        "certification_date": "2025-10-29",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "103TC0700X",
            "taxonomy_group": "",
            "desc": "Psychologist, Clinical",
            "state": "AZ",
            "license": "4259",
            "primary": true
        },
        {
            "code": "103TC0700X",
            "taxonomy_group": "",
            "desc": "Psychologist, Clinical",
            "state": "AZ",
            "license": "PSY-004259",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Patrick Edwards, DMD
• Wanda Luz Figueroa- Cruz, M.D.
• Jason Wayne Forquer, LCSW
• Jame H. Gamble, LCSW
• Stephen Evan Garner, D.O.
• Paul Edward Gawelko, D. O.
• Anita Glenn-Reller
• Jeremiah Gossett
• Deborah Alice Guthmann, DPT
• Tammy Lee Hancock, LCSW

• Clinical Psychologist in Luke Afb, AZ
• Providers in Luke Afb, AZ by specialty
• Clinical Psychologist in Arizona

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Oct 29, 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.