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David Taplin Marshall, MD

NPI 1083669527ActiveIndividual· Radiology, Radiation Oncology· Charleston, SC

Radiology, Radiation Oncology (MD) in Charleston, South Carolina, trained at University of Texas Southwestern Medical School at Dallas (class of 1995). Their prescriptions cost Medicare Part D more than their services did: $124,847 for 367 claims, against $64,713 paid for services in 2024. Siemens Medical Solutions USA, Inc. reported $401.96 in payments in 2025, mostly food and beverage.

Overview

NPI1083669527
StatusActive
Entity typeIndividual
CredentialMD
Sole proprietorNo
NPI issuedMay 23, 2006
Last updated in NPPESOct 14, 2020
Certified by providerOct 14, 2020

Specialties and licenses

TaxonomyCodeLicenseState
Radiology, Radiation Oncology Primary2085R0001X27463SC

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 - Radiation Oncology (SC)
Accepts assignmentYes (participating)

Medicare services in 2024

Medicare patients246
Services billed1,024 across 27 procedure codes
Paid by Medicare$64,713

Part D prescriptions in 2024

Prescriptions (claims)367 · 660 30-day fills
Patients91
Total drug cost$124,847
Generic share88% of claims

Medicare sources and data years

Education and affiliations

Medical schoolUniversity of Texas Southwestern Medical School at Dallas
Graduation year1995
Medicare specialtyRadiation Oncology
TelehealthOffers telehealth

Medical group

Hospital affiliations

Source: CMS Care Compare

Industry payments (Open Payments)

  • 2025$401.96 · 3 payments from 1 company
  • 2024$27.72 · 1 payment from 1 company

Top paying companies in 2025

CompanyAmountPayments
Siemens Medical Solutions USA, Inc.$401.963

What the 2025 payments were for

  • Food and Beverage$401.96 · 3 payments

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

Other radiation oncologists in Charleston

All 29 radiation oncologists in Charleston · All radiation oncologists in South Carolina