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Paul T. Duong, M.D.

NPI 1023181658ActiveIndividual· Internal Medicine· Westminster, CA

Internal Medicine (M.D.) in Westminster, California, trained at University of Southern California Keck School of Medicine (class of 1988). Their prescriptions cost Medicare Part D more than their services did: $493,100 for 5,529 claims, against $100,431 paid for services in 2024. Amgen Inc. reported $14.83 in payments in 2024, mostly food and beverage.

Overview

NPI1023181658
StatusActive
Entity typeIndividual
CredentialM.D.
Sole proprietorNo
NPI issuedNov 15, 2006
Last updated in NPPESNov 17, 2012

Specialties and licenses

TaxonomyCodeLicenseState
Internal Medicine Primary207R00000XG66325CA

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 - Internal Medicine (CA)
Accepts assignmentYes (participating)

Medicare services in 2024

Medicare patients126
Services billed1,633 across 19 procedure codes
Paid by Medicare$100,431

Part D prescriptions in 2024

Prescriptions (claims)5,529 · 12,620 30-day fills
Patients318
Total drug cost$493,100
Generic share89% of claims

Medicare sources and data years

Education and affiliations

Medical schoolUniversity of Southern California Keck School of Medicine
Graduation year1988
Medicare specialtyInternal Medicine

Medical group

Source: CMS Care Compare

Industry payments (Open Payments)

  • 2024$14.83 · 1 payment from 1 company

Top paying companies in 2024

CompanyAmountPayments
Amgen Inc.$14.831

What the 2024 payments were for

  • Food and Beverage$14.83 · 1 payment

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

Other Internal Medicine providers in Westminster

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