NPPES file of Aug 9, 2026

Alyssa Larson

Occupational Therapist · Hamilton, MT

Alyssa Larson is an occupational therapist with a practice address in Hamilton, Montana, and NPI 1972292860, issued on May 5, 2023. Check the license (Montana OTP-OT-LIC-9452, as entered in NPPES) with the Montana board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1972292860
Name
Alyssa Larson
Primary taxonomy
Occupational Therapist 225X00000X
License number
OTP-OT-LIC-9452 MT
Self-reported in NPPES; status is on the state search
Practice location
108 N 2ND St Apt A, Hamilton, MT 59840
Phone
(406) 201-1248
Enumerated
May 5, 2023
Record last updated
Jan 5, 2025
Fax
(406) 215-9002
Medicare enrollment
Enrolled (PECOS I20230623000191); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 108 N 2ND St Apt A

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Steven Coon, PTPhysical Therapist1376756940
  2. Michael Croft, DPTPhysical Therapist1477224491
  3. Jade GordonSpeech-Language Pathologist1417701707
  4. Katherine Lewis, SLPSpeech-Language Pathologist1437096195
  5. Chloe McKenzie, DPTPhysical Therapist1770322836

Verify Alyssa Larson in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Montana board licenses this profession
    Search for license OTP-OT-LIC-9452
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the Montana license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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Bills Medicare through one group practice

  1. Harp Occupational Therapy And Wellness LLCHamilton, MT

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

11 occupational therapist records list a practice address in Hamilton

They are 11 of the 399 NPPES records with a practice address in Hamilton, and 428 occupational therapist records in Montana.

Other occupational therapist records in Montana

  1. Linda Adams, OTR/LMissoula, MT1306943253
  2. McKenna AdolphBozeman, MT1811885536
  3. Katie AfflackGreat Falls, MT1568095578
  4. Aspen AlexanderBelgrade, MT1275269011
  5. Dana Allen, MOTR/LLivingston, MT1760801831
  6. Jaclyn AllexanHelena, MT1396479325
  7. Kristin Allexan, OTR/LKalispell, MT1871937466
  8. Dorene AllisGreat Falls, MT1336351972
  9. Tamra Anderegg, OTR/LGreat Falls, MT1366718975
  10. Lindsey Anderson, OTLivingston, MT1013183508

Common questions

What is Alyssa Larson's NPI number?

Alyssa Larson's National Provider Identifier (NPI) is 1972292860, issued on May 5, 2023. An NPI identifies a provider in billing; it is not a license.

Where is Alyssa Larson located?

The NPPES record lists a practice address at 108 N 2ND St Apt A, Hamilton, MT, 59840. Phone: (406) 201-1248. Providers update this record themselves, so call before visiting.

How can I verify Alyssa Larson's license?

NPPES lists Montana license number OTP-OT-LIC-9452, as entered by the provider. Search the Montana board that licenses this profession; the NPPES record confirms identity only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.