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

Debby Louise Knudson, LAC

Individual provider Addiction (Substance Use Disorder) Counselor · NPI 1811188238

Debby Louise Knudson, LAC is an Addiction (Substance Use Disorder) Counselor in Havre, Montana. Licensed in Montana. Registered with an NPI since 2007.

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

220 3rd Ave Ste 409
Havre, MT 59501-3554
Phone: (406) 561-0929
Fax: (406) 879-4001
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Addiction (Substance Use Disorder) Counselor (primary) Taxonomy 101YA0400X · Licence 1212 (MT)

Record details

NPI number1811188238
Entity typeIndividual (Type 1)
GenderFemale
Credentials LAC
Sole proprietorNo
NPI enumeratedAugust 9, 2007
Last updated in NPPESMay 9, 2023
Certification dateMay 9, 2023

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