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Kevin Wei-Lun Chang, D.O.

NPI 1043744428ActiveIndividual· Internal Medicine, Hematology & Oncology· Seattle, WA

Internal Medicine, Hematology & Oncology (D.O.) in Seattle, Washington, trained at Lincoln Memorial University Medical Department (class of 2017). Their prescriptions cost Medicare Part D more than their services did: $1,619,920 for 627 claims, against $86,487 paid for services in 2024. Abbvie Inc. was the largest of 2 companies reporting payments in 2025, $91.94 in all, mostly food and beverage.

Overview

NPI1043744428
StatusActive
Entity typeIndividual
CredentialD.O.
Sole proprietorNo
NPI issuedApr 12, 2017
Last updated in NPPESJun 12, 2023
Certified by providerJun 12, 2023

Specialties and licenses

TaxonomyCodeLicenseState
Internal Medicine, Hematology & Oncology Primary207RH0003XOP61421294WA

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/Oncology (WA)
Accepts assignmentYes (participating)

Medicare services in 2024

Medicare patients238
Services billed984 across 21 procedure codes
Paid by Medicare$86,487

Part D prescriptions in 2024

Prescriptions (claims)627 · 780 30-day fills
Patients141
Total drug cost$1,619,920
Generic share68% of claims

Medicare sources and data years

Education and affiliations

Medical schoolLincoln Memorial University Medical Department
Graduation year2017
Medicare specialtyHematology/Oncology
TelehealthOffers telehealth

Medical groups

Hospital affiliations

Source: CMS Care Compare

Industry payments (Open Payments)

  • 2025$91.94 · 2 payments from 2 companies

Top paying companies in 2025

CompanyAmountPayments
Abbvie Inc.$77.861
Astrazeneca Pharmaceuticals LP$14.081

What the 2025 payments were for

  • Food and Beverage$91.94 · 2 payments

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

Other hematologist-oncologists in Seattle

All 285 hematologist-oncologists in Seattle · All hematologist-oncologists in Washington