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Douglas Alan Nelson, M.D.

NPI 1497720049ActiveIndividual· Internal Medicine, Medical Oncology· Louisville, KY

Internal Medicine, Medical Oncology (M.D.) in Louisville, Kentucky, trained at Uniformed Services Uhs Fe Hebert School of Med (class of 1996). Their prescriptions cost Medicare Part D more than their services did: $993,380 for 1,127 claims, against $140,400 paid for services in 2024. Astrazeneca Pharmaceuticals LP was the largest of 6 companies reporting payments in 2025, $2,075 in all, mostly consulting fees.

Overview

NPI1497720049
StatusActive
Entity typeIndividual
CredentialM.D.
Sole proprietorNo
NPI issuedFeb 17, 2006
Last updated in NPPESJul 10, 2026
Certified by providerJul 10, 2026

Specialties and licenses

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 - Medical Oncology (IN); Practitioner - Medical Oncology (KY)
Accepts assignmentYes (participating)

Medicare services in 2024

Medicare patients322
Services billed2,007 across 11 procedure codes
Paid by Medicare$140,400

Part D prescriptions in 2024

Prescriptions (claims)1,127 · 1,345 30-day fills
Patients183
Total drug cost$993,380
Generic share85% of claims

Medicare sources and data years

Education and affiliations

Medical schoolUniformed Services Uhs Fe Hebert School of Med
Graduation year1996
Medicare specialtyMedical Oncology
Secondary specialtiesHematology

Medical group

Hospital affiliations

Source: CMS Care Compare

Industry payments (Open Payments)

  • 2025$2,075 · 7 payments from 6 companies
  • 2024$3,038 · 11 payments from 7 companies

Top paying companies in 2025

What the 2025 payments were for

  • Consulting Fee$1,675 · 1 payment
  • Food and Beverage$400.38 · 6 payments

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

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