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

Individual provider Clinical Social Worker · NPI 1831780345

Anna Melissa Olsonoski, LCSW is a Clinical Social Worker in Missoula, Montana. Qualified in 2017, 9 years ago. Practices as a sole proprietor and accepts Medicare assignment. Licensed in Montana.

Years since qualifying
9
Licensed in
MT
In the registry since
2021
What do these letters mean?
LCSW — Licensed Clinical Social Worker
A social worker licensed to diagnose and treat mental health conditions independently.

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Practice location Address checks out

2505 Gleason St
Missoula, MT 59804-1348
Phone: (952) 356-2901
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Clinical Social Worker (primary) Taxonomy 1041C0700X · Licence BBH-LCSW-LIC-48162 (MT)

Record details

NPI number1831780345
Entity typeIndividual (Type 1)
GenderFemale
Credentials LCSW
Sole proprietorYes
NPI enumeratedJanuary 27, 2021
Last updated in NPPESSeptember 11, 2021
Certification dateSeptember 11, 2021

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyCLINICAL SOCIAL WORKER
Medical schoolOTHER
Graduated 2017 (9 years in practice)
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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