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

MS. Sydney Harris, LAC

Individual provider Clinical Social Worker · NPI 1588359145

MS. Sydney Harris, LAC is a Clinical Social Worker in Billings, Montana. Licensed in Montana. Registered with an NPI since 2023.

Licensed in
MT
In the registry since
2023
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.

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Practice location Address checks out

1231 N 29th St
Billings, MT 59101-0147
Phone: (406) 248-3175
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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-62742 (MT)
Clinical Social Worker Taxonomy 1041C0700X · Licence BBH-SWLC-LIC-78435 (MT)

Record details

NPI number1588359145
Entity typeIndividual (Type 1)
GenderFemale
Credentials LAC
Sole proprietorNo
NPI enumeratedApril 10, 2023
Last updated in NPPESAugust 9, 2025
Certification dateAugust 9, 2025

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