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Wieslawa A. Pekal, M.D.

NPI 1508856436ActiveIndividual· Internal Medicine, Hematology & Oncology· Asheville, NC

Internal Medicine, Hematology & Oncology (M.D.) with American Oncology Partners PA, practicing in Asheville, North Carolina. Their prescriptions cost Medicare Part D more than their services did: $3,996,966 for 1,373 claims, against $1,994,406 paid for services in 2024. Karyopharm Therapeutics Inc. was the largest of 38 companies reporting payments in 2025, $4,393 in all, mostly consulting fees. Lists Haywood Regional Medical Center and 1 other hospital as hospital affiliations.

Overview

NPI1508856436
StatusActive
Entity typeIndividual
CredentialM.D.
Sole proprietorNo
NPI issuedOct 22, 2005
Last updated in NPPESJan 10, 2023
Certified by providerJan 10, 2023

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 (NC)
Accepts assignmentYes (participating)

Medicare services in 2024

Medicare patients965
Services billed119,148 across 150 procedure codes
Paid by Medicare$1,994,406

Part D prescriptions in 2024

Prescriptions (claims)1,373 · 1,869 30-day fills
Patients201
Total drug cost$3,996,966
Generic share63% of claims

Medicare sources and data years

Education and affiliations

Graduation year1990
Medicare specialtyHematology/Oncology
Secondary specialtiesInternal Medicine

Medical group

Hospital affiliations

Source: CMS Care Compare

Industry payments (Open Payments)

  • 2025$4,393 · 73 payments from 38 companies
  • 2024$1,522 · 61 payments from 33 companies

Top paying companies in 2025

What the 2025 payments were for

  • Consulting Fee$2,530 · 2 payments
  • Food and Beverage$1,863 · 71 payments

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

Other hematologist-oncologists in Asheville

All 27 hematologist-oncologists in Asheville · All hematologist-oncologists in North Carolina