MR. GORDON STEVEN WALLACE L.C.P.C. / L.A.C.
NPI 1902902059
Counselor - Addiction (Substance Use Disorder) in Billings, MT

Q: What is Gordon Wallace's NPI number?

The NPI number for Gordon Wallace is 1902902059. It was assigned to this individual provider in the NPPES registry on September 16, 2006.

Q: What is Gordon Wallace's specialty?

The primary specialty registered for this NPI is Counselor, specializing in Addiction (Substance Use Disorder), with taxonomy code 101YA0400X.

Q: When was this NPI record last updated?

The NPPES record for Gordon Wallace was last updated on September 11, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 months 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.

Active since September 16, 2006

1250 15TH ST W, BILLINGS, MT 59102(406) 256-1434 Get Directions Write a Review

NPPES record last updated: September 11, 2025. Verified against the NPPES registry weekly; last sync: August 09, 2026.

On this page

About Mr. Gordon Steven Wallace L.c.p.c. / L.a.c. NPPES

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

MR. GORDON STEVEN WALLACE L.C.P.C. / L.A.C. (NPI 1902902059) is an individual addiction (substance use disorder) provider in Billings, Montana, licensed in Montana (970) and active in the NPI registry since September 2006.

NPPES Registry Identity

NPI1902902059

Entity TypeIndividualMale

Primary Taxonomy101YA0400X

Provider Legal NameMR. GORDON STEVEN WALLACECredential: L.C.P.C. / L.A.C.

Location Address1250 15TH ST WBillings, MT 59102-4155

Mailing Address1250 15th St W, P.o. Box 50090Billings, MT 59102-4155 · (406) 256-1434

Phone(406) 256-1434

Sole ProprietorYes

Enumeration DateSeptember 16, 2006

Last NPPES UpdateSeptember 11, 2025

✔ NPI 1902902059 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyCounselor · Addiction (Substance Use Disorder)Behavioral Health & Social Service Providers

Taxonomy Code101YA0400X

License✔ Licensed in MT · 970

Also ListedCounselor · ProfessionalTaxonomy 101YP2500X · License 942-LCPC (MT)

Other Providers at the Same Location NPPES 4

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

GRETTA KATHRYN ANDERSON

Counselor (Mental Health)

1250 15TH ST W
BILLINGS, MT 59102

Yellowstone County (406) 461-1711

RHONDA HEDDEN

Counselor (Mental Health)

1250 15TH ST W
BILLINGS, MT 59102

Yellowstone County (406) 656-8772

JADIE SCHATZ

Counselor (Mental Health)

1250 15TH ST W
BILLINGS, MT 59102

Yellowstone County (406) 247-4966

PAULA J WALLACE MSW,LAC

Counselor (Addiction (Substance Use Disorder))

1250 15TH ST W, SUITE 201
BILLINGS, MT 59102

Yellowstone County (406) 256-1434

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 Gordon Wallace's NPI number?

The NPI number for Gordon Wallace is 1902902059. It was assigned to this individual provider in the NPPES registry on September 16, 2006.

Where is Gordon Wallace located?

Gordon Wallace practices at 1250 15th St W, Billings, MT 59102. The listed phone number is (406) 256-1434.

What is Gordon Wallace's specialty?

The primary specialty registered for this NPI is Counselor, specializing in Addiction (Substance Use Disorder), with taxonomy code 101YA0400X.

When was this NPI record last updated?

The NPPES record for Gordon Wallace was last updated on September 11, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 months 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.