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Richard X. Nguyen, M.D.

NPI 1699960708ActiveIndividual· Internal Medicine· Oxnard, CA

Internal Medicine (M.D.) in Oxnard, California, trained at R Franklin University of Med & Sci/Chicago Medical School (class of 1994). In 2024 Medicare paid $532,524 for 311 patients, and Part D covered 6,814 of their prescriptions, 87% of them generic. Alpha Cognition USA, Inc. reported $101.70 in payments in 2025, mostly food and beverage.

Overview

NPI1699960708
StatusActive
Entity typeIndividual
CredentialM.D.
Sole proprietorNo
NPI issuedSep 11, 2007
Last updated in NPPESSep 12, 2007

Specialties and licenses

TaxonomyCodeLicenseState
Internal Medicine Primary207R00000XA56329CA
Pediatrics208000000XA56329CA

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)Not in the public enrollment file of Oct 1, 2026
Accepts assignmentYes (participating)

Medicare services in 2024

Medicare patients311
Services billed8,908 across 53 procedure codes
Paid by Medicare$532,524

Part D prescriptions in 2024

Prescriptions (claims)6,814 · 10,639 30-day fills
Patients305
Total drug cost$462,139
Generic share87% of claims

Medicare sources and data years

Education and affiliations

Medical schoolR Franklin University of Med & Sci/Chicago Medical School
Graduation year1994
Medicare specialtyInternal Medicine
TelehealthOffers telehealth

Hospital affiliations

Other facilities

Source: CMS Care Compare

Industry payments (Open Payments)

  • 2025$101.70 · 1 payment from 1 company

Top paying companies in 2025

CompanyAmountPayments
Alpha Cognition USA, Inc.$101.701

What the 2025 payments were for

  • Food and Beverage$101.70 · 1 payment

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

Other internal medicine physicians in Oxnard

All 50 internal medicine physicians in Oxnard · All internal medicine physicians in California