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

Treva J Lyng, LAC

Individual provider Addiction (Substance Use Disorder) Counselor · NPI 1891781761

Treva J Lyng, LAC is an Addiction (Substance Use Disorder) Counselor in Billings, Montana. Licensed in Montana. Registered with an NPI since 2005.

Licensed in
MT
In the registry since
2005
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

2116 Broadwater Ave Ste 310
Billings, MT 59102
Phone: (406) 294-9606
Fax: (406) 294-9607
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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 895 (MT)

Record details

NPI number1891781761
Entity typeIndividual (Type 1)
GenderFemale
Credentials LAC
Sole proprietorNo
NPI enumeratedSeptember 26, 2005
Last updated in NPPESJuly 13, 2026

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