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Katharine Elizabeth Thomas, M.D.

NPI 1588010482ActiveIndividual· Internal Medicine, Medical Oncology· Reno, NV

Internal Medicine, Medical Oncology (M.D.) with Community Care Services LLC, practicing in Reno, Nevada. Their prescriptions cost Medicare Part D more than their services did: $1,801,763 for 617 claims, against $48,326 paid for services in 2024. Exelixis Inc. was the largest of 26 companies reporting payments in 2025, $52,531 in all, mostly compensation for serving as faculty or as a speaker for a me. Lists Banner Lassen Medical Center and 3 other hospitals as hospital affiliations.

Overview

NPI1588010482
StatusActive
Entity typeIndividual
CredentialM.D.
Sole proprietorNo
NPI issuedMay 10, 2016
Last updated in NPPESJul 22, 2022
Certified by providerJul 22, 2022

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 (HI); Practitioner - Medical Oncology (NV)
Accepts assignmentYes (participating)

Medicare services in 2024

Medicare patients278
Services billed645 across 14 procedure codes
Paid by Medicare$48,326

Part D prescriptions in 2024

Prescriptions (claims)617 · 681 30-day fills
Patients141
Total drug cost$1,801,763
Generic share76% of claims

Medicare sources and data years

Education and affiliations

Graduation year2015
Medicare specialtyMedical Oncology
Secondary specialtiesHematology
TelehealthOffers telehealth

Medical group

Hospital affiliations

Source: CMS Care Compare

Industry payments (Open Payments)

  • 2025$52,531 · 150 payments from 26 companies
  • 2024$608.62 · 25 payments from 12 companies

Top paying companies in 2025

What the 2025 payments were for

  • Compensation for serving as faculty or as a speaker for a medical education program$17,750 · 6 payments
  • Travel and Lodging$16,425 · 51 payments
  • Consulting Fee$12,252 · 3 payments
  • Food and Beverage$3,603 · 89 payments
  • Honoraria$2,500 · 1 payment

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

Other Internal Medicine, Medical Oncology providers in Reno

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