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David Byron Duff

NPI 1003435801ActiveIndividual· Dermatology· North Charleston, SC

Dermatology in North Charleston, South Carolina, trained at University of Mississippi School of Medicine (class of 2020). Their prescriptions cost Medicare Part D more than their services did: $555,314 for 832 claims, against $121,062 paid for services in 2024. Genzyme Corporation was the largest of 18 companies reporting payments in 2025, $1,558 in all, mostly food and beverage.

Overview

NPI1003435801
StatusActive
Entity typeIndividual
Sole proprietorNo
NPI issuedApr 11, 2020
Last updated in NPPESAug 14, 2024
Certified by providerAug 14, 2024

Specialties and licenses

TaxonomyCodeLicenseState
Dermatology Primary207N00000X86319SC

About license numbers in NPPES

Exclusion screening

ListResultDetails
HHS-OIG LEIE · Oct 9, 2026No matchChecked by NPI and by name + state
North Carolina Medicaid · Nov 4, 2026No match—
New York OMIG · Nov 4, 2026No match—
Ohio Medicaid · Nov 4, 2026No match—
Pennsylvania Medicheck · Nov 4, 2026No match—
Washington HCA · Nov 4, 2026No match—

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

Medicare

Enrollment (PECOS)Enrolled Practitioner - Dermatology (SC)
Accepts assignmentYes (participating)

Medicare services in 2024

Medicare patients664
Services billed3,143 across 54 procedure codes
Paid by Medicare$121,062

Part D prescriptions in 2024

Prescriptions (claims)832 · 949 30-day fills
Patients388
Total drug cost$555,314
Generic share90% of claims

Medicare sources and data years

Education and affiliations

Medical schoolUniversity of Mississippi School of Medicine
Graduation year2020
Medicare specialtyDermatology

Medical group

Hospital affiliation

Source: CMS Care Compare

Industry payments (Open Payments)

  • 2025$1,558 · 66 payments from 18 companies
  • 2024$1,280 · 45 payments from 17 companies

Top paying companies in 2025

What the 2025 payments were for

  • Food and Beverage$1,478 · 64 payments
  • Education$80.25 · 2 payments

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

Other Dermatology providers in North Charleston

All Dermatology providers in South Carolina →