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Leroy E. Fredericks, M.D.

NPI 1043335755ActiveIndividual· Internal Medicine, Hematology & Oncology· Lake Charles, LA

Internal Medicine, Hematology & Oncology (M.D.) in Lake Charles, Louisiana, trained at Louisiana State University School of Medicine in New Orleans (class of 1997). Their prescriptions cost Medicare Part D more than their services did: $2,027,784 for 1,013 claims, against $62,736 paid for services in 2024. Astrazeneca Pharmaceuticals LP was the largest of 54 companies reporting payments in 2025, $3,878 in all, mostly food and beverage.

Overview

NPI1043335755
StatusActive
Entity typeIndividual
CredentialM.D.
Sole proprietorNo
NPI issuedMar 20, 2007
Last updated in NPPESApr 27, 2022
Certified by providerApr 27, 2022

Specialties and licenses

TaxonomyCodeLicenseState
Internal Medicine, Hematology & Oncology Primary207RH0003XMD10005RLA

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 - Medical Oncology (LA)
Accepts assignmentYes (participating)

Medicare services in 2024

Medicare patients331
Services billed872 across 9 procedure codes
Paid by Medicare$62,736

Part D prescriptions in 2024

Prescriptions (claims)1,013 · 1,647 30-day fills
Patients189
Total drug cost$2,027,784
Generic share86% of claims

Medicare sources and data years

Education and affiliations

Medical schoolLouisiana State University School of Medicine in New Orleans
Graduation year1997
Medicare specialtyMedical Oncology

Medical group

Hospital affiliations

Source: CMS Care Compare

Industry payments (Open Payments)

  • 2025$3,878 · 174 payments from 54 companies
  • 2024$2,970 · 146 payments from 39 companies

Top paying companies in 2025

What the 2025 payments were for

  • Food and Beverage$3,584 · 170 payments
  • Education$293.13 · 4 payments

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

Other hematologist-oncologists in Lake Charles

All hematologist-oncologists in Louisiana