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Margret Duncan, MD

NPI 1114940434ActiveIndividual· Family Medicine· Holland, MI

Family Medicine (MD) in Holland, Michigan, trained at Wayne State University School of Medicine (class of 1997). Their prescriptions cost Medicare Part D more than their services did: $327,279 for 3,677 claims, against $13,032 paid for services in 2024. Organon LLC reported $21.14 in payments in 2025, mostly food and beverage.

Overview

NPI1114940434
StatusActive
Entity typeIndividual
CredentialMD
Sole proprietorNo
NPI issuedJul 26, 2006
Last updated in NPPESJul 8, 2007

Specialties and licenses

TaxonomyCodeLicenseState
Family Medicine Primary207Q00000X4301070620MI

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 - Family Practice (MI)
Accepts assignmentYes (participating)

Medicare services in 2024

Medicare patients49
Services billed292 across 37 procedure codes
Paid by Medicare$13,032

Part D prescriptions in 2024

Prescriptions (claims)3,677 · 7,671 30-day fills
Patients183
Total drug cost$327,279
Generic share85% of claims

Medicare sources and data years

Education and affiliations

Medical schoolWayne State University School of Medicine
Graduation year1997
Medicare specialtyFamily Practice

Medical group

Hospital affiliations

Source: CMS Care Compare

Industry payments (Open Payments)

  • 2025$21.14 · 1 payment from 1 company
  • 2024$25.46 · 1 payment from 1 company

Top paying companies in 2025

CompanyAmountPayments
Organon LLC$21.141

What the 2025 payments were for

  • Food and Beverage$21.14 · 1 payment

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

Other family medicine physicians in Holland

All 61 family medicine physicians in Holland · All family medicine physicians in Michigan