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

Individual provider Addiction (Substance Use Disorder) Counselor · NPI 1790465151

Justen Mark Schaak, LCSW, LAC is an Addiction (Substance Use Disorder) Counselor in Livingston, Montana. Practices as a sole proprietor and works from 2 locations. Licensed in Montana.

Licensed in
MT
In the registry since
2023
Specialties on file
2
What do these letters mean?
LCSW — Licensed Clinical Social Worker
A social worker licensed to diagnose and treat mental health conditions independently.
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

430 E Park St
Livingston, MT 59047-2755
Phone: (406) 222-2812
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 205 Haggerty Ln Ste 245, Bozeman, MT 59715-8800 — (406) 579-4885

Specialties & licences

Clinical Social Worker (primary) Taxonomy 1041C0700X · Licence 72697 (MT)
Addiction (Substance Use Disorder) Counselor Taxonomy 101YA0400X · Licence 63794 (MT)

Record details

NPI number1790465151
Entity typeIndividual (Type 1)
GenderMale
Credentials LCSW , LAC
Sole proprietorYes
NPI enumeratedJuly 20, 2023
Last updated in NPPESMarch 21, 2025
Certification dateMarch 21, 2025

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