NPPES file of Aug 9, 2026

John William Rex, LAC

Addiction (Substance Use Disorder) Counselor · Miles City, MT

John William Rex, LAC is an addiction (substance use disorder) counselor with a practice address in Miles City, Montana, and NPI 1366577934, issued on Feb 22, 2007. Check the license (Montana 1029, as entered in NPPES) with the Montana board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1366577934
Name
John William Rex
Credential
LAC
Primary taxonomy
Addiction (Substance Use Disorder) Counselor 101YA0400X
License number
1029 MT
Self-reported in NPPES; status is on the state search
Practice location
1411 Leighton Blvd, Miles City, MT 59301
Phone
(406) 853-3714
Enumerated
Feb 22, 2007
Record last updated
May 14, 2022
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Verify John William Rex in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Montana board licenses this profession
    Search for license 1029
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
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John William Rex among 691 addiction (substance use disorder) counselor records in Montana

John William Rex, LAC is one of 691 addiction (substance use disorder) counselor records with a practice address in Montana. 1% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2007, is newer than 7% of them.

  • NPI issued2007 · 7% of these records are older, 86% newer
  • In a Medicare fileNo · 1% of these records are
  • In the CMS Doctors and Clinicians fileNo · 3% of these records are
  • Record last updated2022 · 49% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 101YA0400X and a Montana practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

15 addiction (substance use disorder) counselor records list a practice address in Miles City

They are 15 of the 240 NPPES records with a practice address in Miles City, and 691 addiction (substance use disorder) counselor records in Montana. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

The 8 addiction (substance use disorder) counselor records with the nearest ZIP codes

  1. Brady Brooks, LACGlasgow, MT 593011447936216
  2. Desiree Call, ACLCMiles City, MT 593011124836853
  3. Amanda DusatkoMiles City, MT 593011174284384
  4. Lindsey HenryMiles City, MT 593011780415174
  5. Anita Leinen, LACMiles City, MT 593011528208832
  6. Pamela Ley, LACMiles City, MT 593011497989917
  7. Steven Rowley, LACMiles City, MT 593011962826453
  8. Sara Small, ACLCMiles City, MT 593011235907221

Common questions

What is John William Rex, LAC's NPI number?

John William Rex, LAC's National Provider Identifier (NPI) is 1366577934, issued on Feb 22, 2007. An NPI identifies a provider in billing; it is not a license.

Where is John William Rex, LAC located?

The NPPES record lists a practice address at 1411 Leighton Blvd, Miles City, MT, 59301. Phone: (406) 853-3714. Providers update this record themselves, so call before visiting.

How can I verify John William Rex, LAC's license?

NPPES lists Montana license number 1029, as entered by the provider. Search the Montana board that licenses this profession; the NPPES record confirms identity only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.