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William K. McMillan, MD

NPI 1831117415ActiveIndividual· Family Medicine· Jamestown, ND

Family Medicine (MD) in Jamestown, North Dakota, licensed in ND, with an NPI issued in July 2006. Their prescriptions cost Medicare Part D more than their services did: $25,419 for 267 claims, against $5,261 paid for services in 2024. Dexcom, Inc. reported $31.41 in payments in 2025, mostly food and beverage.

Overview

NPI1831117415
StatusActive
Entity typeIndividual
CredentialMD
Sole proprietorNo
NPI issuedJul 18, 2006
Last updated in NPPESNov 30, 2011

Specialties and licenses

TaxonomyCodeLicenseState
Family Medicine Primary207Q00000X5515ND

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)Not in the public enrollment file of Oct 1, 2026
Accepts assignmentYes (participating)

Medicare services in 2024

Medicare patients99
Services billed196 across 33 procedure codes
Paid by Medicare$5,261

Part D prescriptions in 2024

Prescriptions (claims)267 · 273 30-day fills
Patients114
Total drug cost$25,419
Generic share70% of claims

Medicare sources and data years

Industry payments (Open Payments)

  • 2025$31.41 · 2 payments from 1 company
  • 2024$92.58 · 6 payments from 3 companies

Top paying companies in 2025

CompanyAmountPayments
Dexcom, Inc.$31.412

What the 2025 payments were for

  • Food and Beverage$31.41 · 2 payments

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

Other Family Medicine providers in Jamestown

All Family Medicine providers in North Dakota →