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ROBERT 'DENNY' D IRWIN LAC
NPI 1306935366
Counselor - Addiction (Substance Use Disorder) in Lewistown, MT

Active since October 11, 2006
212 WENDELL AVE, LEWISTOWN, MT 59457(406) 538-7483(406) 538-7491 Get Directions Write a Review

NPPES record last updated: July 8, 2007. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Robert 'denny' D Irwin Lac NPPES

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

ROBERT 'DENNY' D IRWIN LAC (NPI 1306935366) is an individual addiction (substance use disorder) provider in Lewistown, Montana, licensed in Montana (1158) and active in the NPI registry since October 2006.

NPPES Registry Identity

NPI1306935366
Entity TypeIndividualMale
Primary Taxonomy101YA0400X
Provider Legal NameROBERT 'DENNY' D IRWINCredential: LAC
Location Address212 WENDELL AVELewistown, MT 59457
Mailing AddressPo Box 44Lewistown, MT 59457-0044 · (406) 538-7483 · Fax (406) 538-7491
Phone(406) 538-7483
Fax(406) 538-7491
Sole ProprietorNo
Enumeration DateOctober 11, 2006
Last NPPES UpdateJuly 8, 2007
✔ NPI 1306935366 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyCounselor · Addiction (Substance Use Disorder)Behavioral Health & Social Service Providers
Taxonomy Code101YA0400X
License✔ Licensed in MT · 1158
212 WENDELL AVE, Lewistown, MT 59457
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Other Providers at the Same Location NPPES 3

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

LYNDA ADELLE REIMAN LAC
Counselor (Addiction (Substance Use Disorder))
212 WENDELL AVE
LEWISTOWN, MT 59457
Fergus County (406) 538-7483
MICHAEL H STUEHM LCPC
Counselor (Mental Health)
212 WENDELL AVE
LEWISTOWN, MT 59457
Fergus County (406) 538-7483
KATHERINE G CALOVIS LAC
Counselor (Addiction (Substance Use Disorder))
212 WENDELL AVE
LEWISTOWN, MT 59457
Fergus County (406) 538-7483

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 Robert 'denny' Irwin's NPI number?

The NPI number for Robert 'denny' Irwin is 1306935366. It was assigned to this individual provider in the NPPES registry on October 11, 2006.

Where is Robert 'denny' Irwin located?

Robert 'denny' Irwin practices at 212 Wendell Ave, Lewistown, MT 59457. The listed phone number is (406) 538-7483.

What is Robert 'denny' Irwin'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 Robert 'denny' Irwin was last updated on July 8, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 years 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.