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Nathanael David Gay, M.D.

NPI 1417214420ActiveIndividual· Internal Medicine, Hematology & Oncology· Spokane, WA

Internal Medicine, Hematology & Oncology (M.D.) in Spokane, Washington, trained at University of Washington School of Medicine (class of 2012). Their prescriptions cost Medicare Part D more than their services did: $8,141,657 for 2,424 claims, against $91,119 paid for services in 2024. Pfizer Inc. was the largest of 12 companies reporting payments in 2025, $429.47 in all, mostly food and beverage.

Overview

NPI1417214420
StatusActive
Entity typeIndividual
CredentialM.D.
Sole proprietorNo
NPI issuedApr 15, 2012
Last updated in NPPESOct 3, 2025
Certified by providerOct 3, 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 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 (WA)
Accepts assignmentYes (participating)

Medicare services in 2024

Medicare patients426
Services billed1,028 across 14 procedure codes
Paid by Medicare$91,119

Part D prescriptions in 2024

Prescriptions (claims)2,424 · 3,527 30-day fills
Patients349
Total drug cost$8,141,657
Generic share69% of claims

Medicare sources and data years

Education and affiliations

Medical schoolUniversity of Washington School of Medicine
Graduation year2012
Medicare specialtyHematology/Oncology
TelehealthOffers telehealth

Medical group

Hospital affiliations

Source: CMS Care Compare

Industry payments (Open Payments)

  • 2025$429.47 · 16 payments from 12 companies
  • 2024$70.20 · 3 payments from 3 companies

Top paying companies in 2025

What the 2025 payments were for

  • Food and Beverage$307.07 · 13 payments
  • Education$122.40 · 3 payments

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

Other Internal Medicine, Hematology & Oncology providers in Spokane

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