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

Individual provider Addiction (Substance Use Disorder) Counselor · NPI 1639578974

Dianna Grantham, LAC, LCPC is an Addiction (Substance Use Disorder) Counselor in Billings, Montana. Practices as a sole proprietor. Licensed in Montana.

Licensed in
MT
In the registry since
2014
Specialties on file
2
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.
LCPC — Licensed Clinical Professional Counselor
A licensed clinical counsellor.

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Practice location Address checks out

2475 Village Ln Ste 101
Billings, MT 59102-2497
Phone: (406) 927-6119
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Professional Counselor (primary) Taxonomy 101YP2500X · Licence 25244 (MT)
Addiction (Substance Use Disorder) Counselor Taxonomy 101YA0400X · Licence 0100919564120 (MT)

Record details

NPI number1639578974
Entity typeIndividual (Type 1)
GenderFemale
Credentials LAC , LCPC
Sole proprietorYes
NPI enumeratedAugust 21, 2014
Last updated in NPPESAugust 29, 2017

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