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

Larissa Olson, LCSW

Individual provider Clinical Social Worker · NPI 1588138127

Larissa Olson, LCSW is a Clinical Social Worker in Missoula, Montana. Qualified in 2016, 10 years ago. Accepts Medicare assignment and offers telehealth. Licensed in Montana.

Years since qualifying
10
Licensed in
MT
In the registry since
2019
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

2423 Mullan Rd
Missoula, MT 59808-1827
Phone: (406) 499-2472
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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 32069 (MT)

Record details

NPI number1588138127
Entity typeIndividual (Type 1)
GenderFemale
Credentials LCSW
Sole proprietorNo
NPI enumeratedJanuary 16, 2019
Last updated in NPPESJune 3, 2022
Certification dateJune 3, 2022

Medicare enrollment

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

Medicare specialtyCLINICAL SOCIAL WORKER
Medical schoolOTHER
Graduated 2016 (10 years in practice)
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services

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