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Mark Rumancik, MD

NPI 1467454470ActiveIndividual· Internal Medicine, Nephrology· Fort Wayne, IN

Internal Medicine, Nephrology (MD) in Fort Wayne, Indiana, trained at Ohio State University College of Medicine (class of 1988). Their prescriptions cost Medicare Part D more than their services did: $959,970 for 2,136 claims, against $77,162 paid for services in 2024. Novartis Pharmaceuticals Corporation was the largest of 7 companies reporting payments in 2025, $237.49 in all, mostly food and beverage.

Overview

NPI1467454470
StatusActive
Entity typeIndividual
CredentialMD
Sole proprietorNo
NPI issuedAug 10, 2005
Last updated in NPPESApr 28, 2025
Certified by providerApr 28, 2025

Specialties and licenses

TaxonomyCodeLicenseState
Internal Medicine, Nephrology Primary207RN0300X01041312AIN

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 - Nephrology (IN); Practitioner - Nephrology (OH)
Accepts assignmentYes (participating)

Medicare services in 2024

Medicare patients214
Services billed1,062 across 42 procedure codes
Paid by Medicare$77,162

Part D prescriptions in 2024

Prescriptions (claims)2,136 · 4,570 30-day fills
Patients236
Total drug cost$959,970
Generic share82% of claims

Medicare sources and data years

Education and affiliations

Medical schoolOhio State University College of Medicine
Graduation year1988
Medicare specialtyNephrology

Medical group

Hospital affiliations

Other facilities

Source: CMS Care Compare

Industry payments (Open Payments)

  • 2025$237.49 · 13 payments from 7 companies
  • 2024$495.07 · 33 payments from 13 companies

Top paying companies in 2025

What the 2025 payments were for

  • Food and Beverage$237.49 · 13 payments

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

Other nephrologists in Fort Wayne

All 30 nephrologists in Fort Wayne · All nephrologists in Indiana