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Brian Timothy Larsen, M.D.

NPI 1366768533ActiveIndividual· Internal Medicine· Hermiston, OR

Internal Medicine (M.D.) in Hermiston, Oregon, licensed in OR, with an NPI issued in April 2010. Part D covered 6,978 prescriptions written in 2024, 88% of them generic. Abbvie Inc. was the largest of 3 companies reporting payments in 2025, $102.67 in all, mostly food and beverage.

Overview

NPI1366768533
StatusActive
Entity typeIndividual
CredentialM.D.
Sole proprietorYes
NPI issuedApr 13, 2010
Last updated in NPPESJun 10, 2026
Certified by providerJun 10, 2026

Specialties and licenses

TaxonomyCodeLicenseState
Internal Medicine Primary207R00000XMD165374OR

About license numbers in NPPES

Exclusion screening

ListResultDetails
HHS-OIG LEIE · Oct 9, 2026No matchChecked by NPI and by name + state
North Carolina Medicaid · Nov 10, 2026No match—
New York OMIG · Nov 10, 2026No match—
Ohio Medicaid · Nov 10, 2026No match—
Pennsylvania Medicheck · Nov 10, 2026No match—
Washington HCA · Nov 10, 2026No match—

Official OIG search · How matching works ·Bulk check a roster

Medicare

Enrollment (PECOS)Enrolled Practitioner - Internal Medicine (OR)

Part D prescriptions in 2024

Prescriptions (claims)6,978 · 13,505 30-day fills
Patients571
Total drug cost$544,840
Generic share88% of claims

Medicare sources and data years

Industry payments (Open Payments)

  • 2025$102.67 · 5 payments from 3 companies
  • 2024$68.95 · 3 payments from 3 companies

Top paying companies in 2025

CompanyAmountPayments
Abbvie Inc.$46.932
Glaxosmithkline, LLC.$39.432
Medtronic, Inc.$16.311

What the 2025 payments were for

  • Food and Beverage$102.67 · 5 payments

Receiving payments does not imply wrongdoing. What Open Payments covers ·original records

Other Internal Medicine providers in Hermiston

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