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Laura S. Duncan, MD

NPI 1265464408ActiveIndividual· Internal Medicine· New Berlin, WI

Internal Medicine (MD) in New Berlin, Wisconsin, trained at Medical College of Wisconsin (class of 1993). Their prescriptions cost Medicare Part D more than their services did: $432,910 for 4,354 claims, against $38,097 paid for services in 2024.

Overview

NPI1265464408
StatusActive
Entity typeIndividual
CredentialMD
Sole proprietorNo
NPI issuedJul 7, 2006
Last updated in NPPESMar 3, 2026
Certified by providerMar 3, 2026

Specialties and licenses

TaxonomyCodeLicenseState
Internal Medicine Primary207R00000X35920WI
Pediatrics208000000X35920WI

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 - Internal Medicine (WI)
Accepts assignmentYes (participating)

Medicare services in 2024

Medicare patients103
Services billed551 across 39 procedure codes
Paid by Medicare$38,097

Part D prescriptions in 2024

Prescriptions (claims)4,354 · 10,302 30-day fills
Patients289
Total drug cost$432,910
Generic share86% of claims

Medicare sources and data years

Education and affiliations

Medical schoolMedical College of Wisconsin
Graduation year1993
Medicare specialtyInternal Medicine
Secondary specialtiesPediatric Medicine

Medical group

Hospital affiliations

Source: CMS Care Compare

Industry payments (Open Payments)

None reported for 2025 or 2024.

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

Other internal medicine physicians in New Berlin

All 19 internal medicine physicians in New Berlin · All internal medicine physicians in Wisconsin