Trung V. Nguyen, DO
NPI 1831282268ActiveIndividual· Internal Medicine, Pulmonary Disease· Anaheim, CA
Internal Medicine, Pulmonary Disease (DO) in Anaheim, California, trained at Midwestern University, Chicago College of Osteopathic Med (class of 1999). Part D covered 1,205 prescriptions written in 2024, 59% of them generic. Madrigal Pharmaceuticals reported $121.83 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1831282268 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | DO |
| Sole proprietor | No |
| NPI issued | Sep 30, 2006 |
| Last updated in NPPES | Dec 1, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Pulmonary Disease Primary | 207RP1001X | 20A7728 | CA |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Nov 10, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 11, 2026 | No match | — |
| New York OMIG · Nov 11, 2026 | No match | — |
| Ohio Medicaid · Nov 11, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 11, 2026 | No match | — |
| Washington HCA · Nov 11, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Internal Medicine (CA) |
|---|
Part D prescriptions in 2024
| Prescriptions (claims) | 1,205 · 2,316 30-day fills |
|---|---|
| Patients | 203 |
| Total drug cost | $516,271 |
| Generic share | 59% of claims |
Education and affiliations
| Medical school | Midwestern University, Chicago College of Osteopathic Med |
|---|---|
| Graduation year | 1999 |
| Medicare specialty | Internal Medicine |
| Secondary specialties | Critical Care (Intensivists), Pulmonary Disease |
Medical group
- Southern California Permanente Medical GroupRedlands, CA · 11,293 clinicians
Industry payments (Open Payments)
- 2025$121.83 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Madrigal Pharmaceuticals | $121.83 | 1 |
What the 2025 payments were for
- Food and Beverage$121.83 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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