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Clinical Social Worker

Larissa Olson, CSW

Sees patients in Missoula, MT · Montana

Summary

Larissa Olson, CSW (Clinical Social Worker) is enrolled with Medicare at 1 practice location in Missoula, MT. NPI 1588138127. Medicare data says the clinician accepts Medicare assignment. Source: CMS National Downloadable File, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Larissa Olson, joined by NPI number (data updated 2026-10-02). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

At a glance

Clinical Social WorkerPrimary specialty
YesAccepts Medicare assignment
YesOffers telehealth
10Years since medical school (graduated 2016)
FemaleGender (as listed)

Quick answers

Where does Larissa Olson see patients?
Medicare's clinician data lists 1 practice location in Missoula, MT. Call before your visit to confirm the address.
What is Larissa Olson's specialty?
Medicare lists Clinical Social Worker as the primary specialty.
Does Larissa Olson accept Medicare assignment?
Yes. Medicare's clinician data says Larissa Olson accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
Does Larissa Olson offer telehealth?
Medicare's clinician data says Larissa Olson offers telehealth services. Ask the office which visits can be done by video or phone.
What is the phone number for Larissa Olson?
(406) 499-2472, as listed in official Medicare / NPI Registry data.
What is Larissa Olson's NPI number?
1588138127. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Practice locations

Addresses where Larissa Olson is enrolled with Medicare (CMS data updated 2026-10-02).

Specialties

Find other clinicians: Clinical Social Worker, Montana →

Other clinical social workers in Missoula

Clinicians with the same Medicare primary specialty in Missoula, MT — not a recommendation.

All clinical social workers in Missoula →

Clinician information

CredentialCSW
Graduation year2016
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1588138127
CorrectionsReport an error or suggest an update →

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

  1. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  2. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  3. Medicare Care Compare — official Medicare tool to look up clinicians