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Onyee Chan, M.D.

NPI 1841603727ActiveIndividual· Internal Medicine, Hematology & Oncology· Tampa, FL

Internal Medicine, Hematology & Oncology (M.D.) in Tampa, Florida, trained at University of Arizona College of Medicine (class of 2014). Their prescriptions cost Medicare Part D more than their services did: $3,020,223 for 332 claims, against $32,453 paid for services in 2024. Novartis Pharmaceuticals Corporation was the largest of 6 companies reporting payments in 2025, $29,403 in all, mostly consulting fees.

Overview

NPI1841603727
StatusActive
Entity typeIndividual
CredentialM.D.
Sole proprietorYes
NPI issuedJun 9, 2014
Last updated in NPPESOct 6, 2026
Certified by providerOct 6, 2026

Specialties and licenses

TaxonomyCodeLicenseState
Internal Medicine, Hematology & Oncology Primary207RH0003XME132176FL

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 - Hematology (FL)
Accepts assignmentYes (participating)

Medicare services in 2024

Medicare patients140
Services billed355 across 12 procedure codes
Paid by Medicare$32,453

Part D prescriptions in 2024

Prescriptions (claims)332 · 364 30-day fills
Patients68
Total drug cost$3,020,223
Generic share44% of claims

Medicare sources and data years

Education and affiliations

Medical schoolUniversity of Arizona College of Medicine
Graduation year2014
Medicare specialtyHematology
TelehealthOffers telehealth

Medical group

Source: CMS Care Compare

Industry payments (Open Payments)

  • 2025$29,403 · 30 payments from 6 companies
  • 2024$7,018 · 13 payments from 8 companies

Top paying companies in 2025

What the 2025 payments were for

  • Consulting Fee$24,858 · 9 payments
  • Travel and Lodging$3,059 · 10 payments
  • Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program$1,000 · 1 payment
  • Food and Beverage$485.94 · 10 payments

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

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