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Ian Y. Marshall, M. D.

NPI 1255384053ActiveIndividual· Urology· Charleston, SC

Urology (M. D.) in Charleston, South Carolina, trained at Medical University of South Carolina College of Medicine (class of 1989). Their prescriptions cost Medicare Part D more than their services did: $1,974,723 for 2,807 claims, against $351,227 paid for services in 2024. Janssen Biotech, Inc. was the largest of 31 companies reporting payments in 2025, $11,010 in all, mostly consulting fees.

Overview

NPI1255384053
StatusActive
Entity typeIndividual
CredentialM. D.
Sole proprietorNo
NPI issuedMay 19, 2006
Last updated in NPPESMar 14, 2013

Specialties and licenses

TaxonomyCodeLicenseState
Urology Primary208800000X14936SC

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 - Urology (SC)
Accepts assignmentYes (participating)

Medicare services in 2024

Medicare patients732
Services billed14,416 across 89 procedure codes
Paid by Medicare$351,227

Part D prescriptions in 2024

Prescriptions (claims)2,807 · 5,441 30-day fills
Patients565
Total drug cost$1,974,723
Generic share73% of claims

Medicare sources and data years

Education and affiliations

Medical schoolMedical University of South Carolina College of Medicine
Graduation year1989
Medicare specialtyUrology
TelehealthOffers telehealth

Medical group

Hospital affiliations

Other facilities

Source: CMS Care Compare

Industry payments (Open Payments)

  • 2025$11,010 · 114 payments from 31 companies
  • 2024$10,892 · 117 payments from 26 companies

Top paying companies in 2025

What the 2025 payments were for

  • Consulting Fee$5,044 · 2 payments
  • Food and Beverage$4,707 · 107 payments
  • Travel and Lodging$1,159 · 4 payments
  • Education$99.99 · 1 payment

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

Other urologists in Charleston

All 62 urologists in Charleston · All urologists in South Carolina