JOHN WILLIAM REX SR. LAC
NPI 1366577934
Counselor - Addiction (Substance Use Disorder) in Miles City, MT

Q: What is John Rex's NPI number?

The NPI number for John Rex is 1366577934. It was assigned to this individual provider in the NPPES registry on February 22, 2007.

Q: What is John Rex'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 John Rex was last updated on May 14, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.

Active since February 22, 2007

1411 LEIGHTON BLVD, MILES CITY, MT 59301(406) 853-3714 Get Directions Write a Review

NPPES record last updated: May 14, 2022. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: May 14, 2022, Nov 1, 2021 (2 updates tracked since 2021).

On this page

About John William Rex Sr. Lac NPPES

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

JOHN WILLIAM REX SR. LAC (NPI 1366577934) is an individual addiction (substance use disorder) provider in Miles City, Montana, licensed in Montana (1029) and active in the NPI registry since February 2007.

NPPES Registry Identity

NPI1366577934

Entity TypeIndividualMale

Primary Taxonomy101YA0400X

Provider Legal NameJOHN WILLIAM REX SR.Credential: LAC

Location Address1411 LEIGHTON BLVDMiles City, MT 59301-2633

Mailing Address1411 Leighton BlvdMiles City, MT 59301-2633 · (406) 853-3714

Phone(406) 853-3714

Sole ProprietorYes

Enumeration DateFebruary 22, 2007

Last NPPES UpdateMay 14, 20222 updates tracked since enumeration

NPPES CertifiedMay 14, 2022

✔ NPI 1366577934 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 · 1029

1411 LEIGHTON BLVD, Miles City, MT 59301

Open in Google Maps ↗

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 John Rex's NPI number?

The NPI number for John Rex is 1366577934. It was assigned to this individual provider in the NPPES registry on February 22, 2007.

Where is John Rex located?

John Rex practices at 1411 Leighton Blvd, Miles City, MT 59301. The listed phone number is (406) 853-3714.

What is John Rex'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 John Rex was last updated on May 14, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.