Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

John William Rex Sr., LAC

Individual provider Addiction (Substance Use Disorder) Counselor · NPI 1366577934

John William Rex Sr., LAC is an Addiction (Substance Use Disorder) Counselor in Miles City, Montana. Practices as a sole proprietor. Licensed in Montana.

Licensed in
MT
In the registry since
2007
What do these letters mean?
LAC — Licensed Associate Counselor
A counsellor practising under supervision toward full licensure. In some states the same letters mean Licensed Acupuncturist.

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Practice location Address checks out

1411 Leighton Blvd
Miles City, MT 59301-2633
Phone: (406) 853-3714
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Addiction (Substance Use Disorder) Counselor (primary) Taxonomy 101YA0400X · Licence 1029 (MT)

Record details

NPI number1366577934
Entity typeIndividual (Type 1)
GenderMale
Credentials LAC
Sole proprietorYes
NPI enumeratedFebruary 22, 2007
Last updated in NPPESMay 14, 2022
Certification dateMay 14, 2022

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