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Rami K. Abumasmah, MD

NPI 1972779551ActiveIndividual· Internal Medicine, Hematology & Oncology· Oshkosh, WI

Internal Medicine, Hematology & Oncology (MD) with Trinity Health, practicing in Oshkosh, Wisconsin. Their prescriptions cost Medicare Part D more than their services did: $2,050,654 for 514 claims, against $32,216 paid for services in 2024. Janssen Biotech, Inc. reported $46.65 in payments in 2025, mostly food and beverage. Lists Fairfield Medical Center and 4 other hospitals as hospital affiliations.

Overview

NPI1972779551
StatusActive
Entity typeIndividual
CredentialMD
Sole proprietorNo
NPI issuedMay 5, 2008
Last updated in NPPESSep 23, 2025
Certified by providerSep 23, 2025

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 - Hematology/Oncology (IL); Practitioner - Hematology/Oncology (ND)
Accepts assignmentYes (participating)

Medicare services in 2024

Medicare patients205
Services billed447 across 4 procedure codes
Paid by Medicare$32,216

Part D prescriptions in 2024

Prescriptions (claims)514 · 852 30-day fills
Patients117
Total drug cost$2,050,654
Generic share71% of claims

Medicare sources and data years

Education and affiliations

Graduation year1997
Medicare specialtyHematology/Oncology

Medical group

Hospital affiliations

Source: CMS Care Compare

Industry payments (Open Payments)

  • 2025$46.65 · 1 payment from 1 company

Top paying companies in 2025

CompanyAmountPayments
Janssen Biotech, Inc.$46.651

What the 2025 payments were for

  • Food and Beverage$46.65 · 1 payment

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

Other Internal Medicine, Hematology & Oncology providers in Oshkosh

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