Gordon Steven Wallace, L.C.P.C. / L.A.C.

Primary specialty

Addiction (Substance Use Disorder) CounselorTaxonomy code 101YA0400X

License

970 Issued in MT

Practice address

1250 15TH St W
Billings, MT 59102-4155

Phone

(406) 256-1434

NPI assigned

Sep 16, 2006

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)

Not enrolled

State licenses

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

{
    "created_epoch": "1158364800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1757548800000",
    "number": "1902902059",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1250 15TH ST W",
            "address_2": "P.O. BOX 50090",
            "city": "BILLINGS",
            "state": "MT",
            "postal_code": "591024155",
            "telephone_number": "406-256-1434"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1250 15TH ST W",
            "city": "BILLINGS",
            "state": "MT",
            "postal_code": "591024155",
            "telephone_number": "406-256-1434"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "WALLACE",
        "first_name": "GORDON",
        "middle_name": "STEVEN",
        "name_prefix": "Mr.",
        "credential": "L.C.P.C. / L.A.C.",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2006-09-16",
        "last_updated": "2025-09-11",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "101YA0400X",
            "taxonomy_group": "",
            "desc": "Counselor, Addiction (Substance Use Disorder)",
            "state": "MT",
            "license": "970",
            "primary": true
        },
        {
            "code": "101YP2500X",
            "taxonomy_group": "",
            "desc": "Counselor, Professional",
            "state": "MT",
            "license": "942-LCPC",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Carson Barrett Walker, MD
• Jedediah Owen Walker, D.O.
• Karen Sue Walker, LCSW
• Madison Alane Walker, OTD, OTR/L
• Melanie Ann Walker, NP-C
• Paula J Wallace, MSW,LAC
• Roger Lewis Wallace, D.O.
• Sheila J Waller, PHYSICAL THERAPIST
• Sarah Lucille Wallick, D.O.
• Walman Optical Company

• Addiction (Substance Use Disorder) Counselor in Billings, MT
• Providers in Billings, MT by specialty
• Addiction (Substance Use Disorder) Counselor in Montana

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 11, 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.