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Kathleen Claire Kerrigan, D.O.

NPI 1457779035ActiveIndividual· Internal Medicine, Hematology & Oncology· Columbus, OH

Internal Medicine, Hematology & Oncology (D.O.) in Columbus, Ohio, trained at Ohio University, College of Osteopathic Medicine (class of 2014). Their prescriptions cost Medicare Part D more than their services did: $1,932,383 for 696 claims, against $60,094 paid for services in 2024. Genentech USA, Inc. was the largest of 5 companies reporting payments in 2025, $23,089 in all, mostly speaking and faculty fees.

Overview

NPI1457779035
StatusActive
Entity typeIndividual
CredentialD.O.
Sole proprietorNo
NPI issuedApr 1, 2014
Last updated in NPPESNov 3, 2021
Certified by providerNov 3, 2021

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 10, 2026No match—
New York OMIG · Nov 10, 2026No match—
Ohio Medicaid · Nov 10, 2026No match—
Pennsylvania Medicheck · Nov 10, 2026No match—
Washington HCA · Nov 10, 2026No match—

Official OIG search · How matching works ·Bulk check a roster

Medicare

Enrollment (PECOS)Enrolled Practitioner - Hematology/Oncology (UT); Practitioner - Medical Oncology (WY)
Accepts assignmentYes (participating)

Medicare services in 2024

Medicare patients162
Services billed1,016 across 13 procedure codes
Paid by Medicare$60,094

Part D prescriptions in 2024

Prescriptions (claims)696 · 975 30-day fills
Patients124
Total drug cost$1,932,383
Generic share69% of claims

Medicare sources and data years

Education and affiliations

Medical schoolOhio University, College of Osteopathic Medicine
Graduation year2014
Medicare specialtyHematology/Oncology
TelehealthOffers telehealth

Medical group

Hospital affiliation

Other facilities

Source: CMS Care Compare

Industry payments (Open Payments)

  • 2025$23,089 · 36 payments from 5 companies
  • 2024$2,735 · 8 payments from 5 companies

Top paying companies in 2025

What the 2025 payments were for

  • Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program$17,970 · 5 payments
  • Consulting Fee$2,322 · 2 payments
  • Travel and Lodging$1,908 · 17 payments
  • Food and Beverage$889.73 · 12 payments

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

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