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Sam O. Wanko, MD

NPI 1649293309ActiveIndividual· Internal Medicine, Hematology & Oncology· Bethesda, MD

Internal Medicine, Hematology & Oncology (MD) in Bethesda, Maryland, licensed in WV and VA, with an NPI issued in July 2006. Their prescriptions cost Medicare Part D more than their services did: $2,853,313 for 1,029 claims, against $42,973 paid for services in 2024. Regeneron Healthcare Solutions, Inc. reported $17.02 in payments in 2025, mostly education.

Overview

NPI1649293309
StatusActive
Entity typeIndividual
CredentialMD
Sole proprietorNo
NPI issuedJul 25, 2006
Last updated in NPPESApr 7, 2022
Certified by providerApr 7, 2022

Specialties and licenses

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 - Hematology/Oncology (WV)
Accepts assignmentYes (participating)

Medicare services in 2024

Medicare patients206
Services billed568 across 18 procedure codes
Paid by Medicare$42,973

Part D prescriptions in 2024

Prescriptions (claims)1,029 · 1,608 30-day fills
Patients160
Total drug cost$2,853,313
Generic share76% of claims

Medicare sources and data years

Industry payments (Open Payments)

  • 2025$17.02 · 1 payment from 1 company

Top paying companies in 2025

CompanyAmountPayments
Regeneron Healthcare Solutions, Inc.$17.021

What the 2025 payments were for

  • Education$17.02 · 1 payment

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

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