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Rachel M. Koster, PA-C

NPI 1437469830ActiveIndividual· Physician Assistant· Chubbuck, ID

Physician Assistant (PA-C) in Chubbuck, Idaho, licensed in ID, with an NPI issued in October 2010. Part D covered 6,682 prescriptions written in 2024, 84% of them generic. Lilly USA, LLC was the largest of 10 companies reporting payments in 2025, $310.12 in all, mostly food and beverage.

Overview

NPI1437469830
StatusActive
Entity typeIndividual
CredentialPA-C
Sole proprietorYes
NPI issuedOct 19, 2010
Last updated in NPPESOct 23, 2017

Specialties and licenses

TaxonomyCodeLicenseState
Physician Assistant Primary363A00000XPA-867ID

About license numbers in NPPES

Exclusion screening

ListResultDetails
HHS-OIG LEIE · Nov 10, 2026No matchChecked by NPI and by name + state
North Carolina Medicaid · Nov 11, 2026No match—
New York OMIG · Nov 11, 2026No match—
Ohio Medicaid · Nov 11, 2026No match—
Pennsylvania Medicheck · Nov 11, 2026No match—
Washington HCA · Nov 11, 2026No match—

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

Medicare

Enrollment (PECOS)Enrolled Practitioner - Physician Assistant (TX)

Part D prescriptions in 2024

Prescriptions (claims)6,682 · 15,780 30-day fills
Patients537
Total drug cost$854,385
Generic share84% of claims

Medicare sources and data years

Industry payments (Open Payments)

  • 2025$310.12 · 16 payments from 10 companies
  • 2024$492.39 · 37 payments from 9 companies

Top paying companies in 2025

What the 2025 payments were for

  • Food and Beverage$310.12 · 16 payments

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

Other physician assistants in Chubbuck

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