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James Mathew Petersen, PA-C

NPI 1275022964ActiveIndividual· Physician Assistant, Medical· Yakima, WA

Physician Assistant, Medical (PA-C) with Yakima Valley Memorial Physicians, practicing in Yakima, Washington. Their prescriptions cost Medicare Part D more than their services did: $45,628 for 467 claims, against $18,354 paid for services in 2024. Inspire Medical Systems, Inc. was the largest of 2 companies reporting payments in 2025, $226.89 in all, mostly food and beverage. Lists Yakima Valley Memorial as a hospital affiliation.

Overview

NPI1275022964
StatusActive
Entity typeIndividual
CredentialPA-C
Sole proprietorNo
NPI issuedMay 8, 2018
Last updated in NPPESJan 26, 2023
Certified by providerJan 26, 2023

Specialties and licenses

TaxonomyCodeLicenseState
Physician Assistant, Medical Primary363AM0700XPA60710620WA

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 (WA)
Accepts assignmentYes (participating)

Medicare services in 2024

Medicare patients271
Services billed364 across 7 procedure codes
Paid by Medicare$18,354

Part D prescriptions in 2024

Prescriptions (claims)467 · 726 30-day fills
Patients193
Total drug cost$45,628
Generic share89% of claims

Medicare sources and data years

Education and affiliations

Graduation year2016
Medicare specialtyPhysician Assistant

Medical group

Hospital affiliation

Source: CMS Care Compare

Industry payments (Open Payments)

  • 2025$226.89 · 7 payments from 2 companies
  • 2024$152.35 · 7 payments from 3 companies

Top paying companies in 2025

CompanyAmountPayments
Inspire Medical Systems, Inc.$207.446
Lilly USA, LLC$19.451

What the 2025 payments were for

  • Food and Beverage$120.29 · 4 payments
  • Travel and Lodging$106.60 · 3 payments

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

Other physician assistants in Yakima

All 25 physician assistants in Yakima · All physician assistants in Washington