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

Mary Margaret Grupenhoff, LAC

Individual provider Addiction (Substance Use Disorder) Counselor · NPI 1740928449

Mary Margaret Grupenhoff, LAC is an Addiction (Substance Use Disorder) Counselor in Butte, Montana. Practices as a sole proprietor. Licensed in Montana.

Licensed in
MT
In the registry since
2022
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

775 W Gold St
Butte, MT 59701-2301
Phone: (406) 496-2380
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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 BBH-LAC-LIC-55515 (MT)

Record details

NPI number1740928449
Entity typeIndividual (Type 1)
GenderFemale
Credentials LAC
Sole proprietorYes
NPI enumeratedMay 23, 2022
Last updated in NPPESMay 23, 2022
Certification dateMay 23, 2022

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