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

Individual provider Addiction (Substance Use Disorder) Counselor · NPI 1780042804

Abbigail Mellum, BS, LAC 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
2016
What do these letters mean?
BS — Bachelor of Science
An undergraduate science degree.
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

208 N Broadway
Billings, MT 59101-3988
Phone: (406) 794-2003
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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-16223 (MT)

Record details

NPI number1780042804
Entity typeIndividual (Type 1)
GenderFemale
Credentials BS , LAC
Sole proprietorYes
NPI enumeratedFebruary 3, 2016
Last updated in NPPESApril 22, 2025
Certification dateApril 22, 2025

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