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John Francis Riordan, M.D.

NPI 1033381108ActiveIndividual· Urology· Martinsburg, WV

Urology (M.D.) with West Virginia University Medical Corporation and 1 other group, practicing in Martinsburg, West Virginia. 491 Medicare patients in 2024, $92,193 paid; nearly all of their 1,471 Part D prescriptions were generic (92%). Olympus America Inc. was the largest of 3 companies reporting payments in 2025, $159.27 in all, mostly food and beverage. Lists Berkeley Medical Center and 3 other hospitals as hospital affiliations.

Overview

NPI1033381108
StatusActive
Entity typeIndividual
CredentialM.D.
Sole proprietorNo
NPI issuedMar 29, 2008
Last updated in NPPESApr 7, 2022
Certified by providerApr 7, 2022

Specialties and licenses

TaxonomyCodeLicenseState
Urology Primary208800000X25963WV
Urology208800000X2008011487MO

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 10, 2026No match—
New York OMIG · Nov 10, 2026No match—
Ohio Medicaid · Nov 10, 2026No match—
Pennsylvania Medicheck · Nov 10, 2026No match—
Washington HCA · Nov 10, 2026No match—

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

Medicare

Enrollment (PECOS)Enrolled Practitioner - Urology (WV)
Accepts assignmentYes (participating)

Medicare services in 2024

Medicare patients491
Services billed1,333 across 61 procedure codes
Paid by Medicare$92,193

Part D prescriptions in 2024

Prescriptions (claims)1,471 · 3,303 30-day fills
Patients429
Total drug cost$114,689
Generic share92% of claims

Medicare sources and data years

Education and affiliations

Graduation year2002
Medicare specialtyUrology

Medical groups

Hospital affiliations

Source: CMS Care Compare

Industry payments (Open Payments)

  • 2025$159.27 · 6 payments from 3 companies
  • 2024$109.35 · 4 payments from 1 company

Top paying companies in 2025

CompanyAmountPayments
Olympus America Inc.$77.193
Calyxo, Inc.$45.052
Boston Scientific Corporation$37.031

What the 2025 payments were for

  • Food and Beverage$159.27 · 6 payments

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

Other Urology providers in Martinsburg

All Urology providers in West Virginia →