Dillon Sidung Nguyen, MD
NPI 1356979264ActiveIndividual· Family Medicine· Houston, TX
Family Medicine (MD) in Houston, Texas, trained at Paul L Foster School of Medicine, Texas Tech Univ (class of 2019). Their prescriptions cost Medicare Part D more than their services did: $41,596 for 932 claims, against $4,794 paid for services in 2024. Pfizer Inc. was the largest of 2 companies reporting payments in 2025, $45.98 in all, mostly food and beverage.
Overview
| NPI | 1356979264 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | Yes |
| NPI issued | Mar 28, 2020 |
| Last updated in NPPES | Sep 8, 2026 |
| Certified by provider | Sep 8, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Family Medicine Primary | 207Q00000X | U6036 | TX |
| Specialist/Technologist, Athletic Trainer | 2255A2300X | — | TX |
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 - Family Practice (TX) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 51 |
|---|---|
| Services billed | 104 across 8 procedure codes |
| Paid by Medicare | $4,794 |
Part D prescriptions in 2024
| Prescriptions (claims) | 932 · 1,835 30-day fills |
|---|---|
| Patients | 107 |
| Total drug cost | $41,596 |
| Generic share | 87% of claims |
Education and affiliations
| Medical school | Paul L Foster School of Medicine, Texas Tech Univ |
|---|---|
| Graduation year | 2019 |
| Medicare specialty | Family Practice |
| Telehealth | Offers telehealth |
Medical group
- Ut PhysiciansHouston, TX · 1,765 clinicians
Hospital affiliation
- Harris HealthHouston, TX
Industry payments (Open Payments)
- 2025$45.98 · 2 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Pfizer Inc. | $28.19 | 1 |
| Astrazeneca Pharmaceuticals LP | $17.79 | 1 |
What the 2025 payments were for
- Food and Beverage$45.98 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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