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Andrew Thuc Truong, MD

NPI 1134513047ActiveIndividual· Internal Medicine· Mission Viejo, CA

Internal Medicine (MD) in Mission Viejo, California, trained at State University of New York Downstate Medical Center (class of 2015). Their prescriptions cost Medicare Part D more than their services did: $324,235 for 5,400 claims, against $136,345 paid for services in 2024. Novartis Pharmaceuticals Corporation was the largest of 14 companies reporting payments in 2025, $953.36 in all, mostly food and beverage.

Overview

NPI1134513047
StatusActive
Entity typeIndividual
CredentialMD
Sole proprietorNo
NPI issuedMar 28, 2015
Last updated in NPPESNov 11, 2021
Certified by providerNov 11, 2021

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 - Internal Medicine (CA)
Accepts assignmentYes (participating)

Medicare services in 2024

Medicare patients382
Services billed1,731 across 53 procedure codes
Paid by Medicare$136,345

Part D prescriptions in 2024

Prescriptions (claims)5,400 · 13,274 30-day fills
Patients516
Total drug cost$324,235
Generic share93% of claims

Medicare sources and data years

Education and affiliations

Medical schoolState University of New York Downstate Medical Center
Graduation year2015
Medicare specialtyInternal Medicine
TelehealthOffers telehealth

Medical group

Hospital affiliations

Other facilities

Source: CMS Care Compare

Industry payments (Open Payments)

  • 2025$953.36 · 43 payments from 14 companies
  • 2024$1,017 · 50 payments from 20 companies

Top paying companies in 2025

What the 2025 payments were for

  • Food and Beverage$953.36 · 43 payments

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

Other Internal Medicine providers in Mission Viejo

All Internal Medicine providers in California →