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Joanna Grabska, MD

NPI 1144546557ActiveIndividual· Internal Medicine, Hematology & Oncology· Greenville, SC

Internal Medicine, Hematology & Oncology (MD) with Spartanburg Medical Center and 1 other group, practicing in Greenville, South Carolina. Their prescriptions cost Medicare Part D more than their services did: $1,490,374 for 1,050 claims, against $78,096 paid for services in 2024. Incyte Corporation reported $92.99 in payments in 2025, mostly education. Lists Pelham Medical Center and 2 other hospitals as hospital affiliations.

Overview

NPI1144546557
StatusActive
Entity typeIndividual
CredentialMD
Sole proprietorNo
NPI issuedApr 9, 2010
Last updated in NPPESJul 21, 2022

Specialties and licenses

TaxonomyCodeLicenseState
Internal Medicine, Hematology & Oncology Primary207RH0003X40623SC

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

Medicare services in 2024

Medicare patients424
Services billed873 across 17 procedure codes
Paid by Medicare$78,096

Part D prescriptions in 2024

Prescriptions (claims)1,050 · 2,122 30-day fills
Patients281
Total drug cost$1,490,374
Generic share85% of claims

Medicare sources and data years

Education and affiliations

Graduation year2010
Medicare specialtyHematology/Oncology

Medical groups

Hospital affiliations

Source: CMS Care Compare

Industry payments (Open Payments)

  • 2025$92.99 · 1 payment from 1 company
  • 2024$63.37 · 1 payment from 1 company

Top paying companies in 2025

CompanyAmountPayments
Incyte Corporation$92.991

What the 2025 payments were for

  • Education$92.99 · 1 payment

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

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