Tam-Nhi H. Nguyen, PA-C
NPI 1023121324ActiveIndividual· Physician Assistant, Medical· Dallas, TX
Physician Assistant, Medical (PA-C) with University of Texas Southwestern Medical Center at Dallas, practicing in Dallas, Texas. Their prescriptions cost Medicare Part D more than their services did: $234,771 for 4,247 claims, against $21,612 paid for services in 2024. Merck Sharp & Dohme LLC was the largest of 4 companies reporting payments in 2025, $285.62 in all, mostly food and beverage. Lists Ut of Texas Southwestern University Hospital - William P. Clements Jr. as a hospital affiliation.
Overview
| NPI | 1023121324 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | PA-C |
| Sole proprietor | No |
| NPI issued | Aug 17, 2006 |
| Last updated in NPPES | Apr 18, 2013 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Physician Assistant, Medical Primary | 363AM0700X | PA03433 | TX |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Physician Assistant (TX) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 204 |
|---|---|
| Services billed | 330 across 6 procedure codes |
| Paid by Medicare | $21,612 |
Part D prescriptions in 2024
| Prescriptions (claims) | 4,247 · 7,524 30-day fills |
|---|---|
| Patients | 357 |
| Total drug cost | $234,771 |
| Generic share | 96% of claims |
Education and affiliations
| Graduation year | 2002 |
|---|---|
| Medicare specialty | Physician Assistant |
| Telehealth | Offers telehealth |
Medical group
- University of Texas Southwestern Medical Center at DallasDallas, TX · 3,187 clinicians
Hospital affiliation
Other facilities
- Sterling Nursing and RehabNursing home · Sterling City, TX
Industry payments (Open Payments)
- 2025$285.62 · 6 payments from 4 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Merck Sharp & Dohme LLC | $104.06 | 1 |
| Lilly USA, LLC | $94.84 | 1 |
| Dexcom, Inc. | $61.87 | 3 |
| Bard Peripheral Vascular, Inc. | $24.85 | 1 |
What the 2025 payments were for
- Food and Beverage$285.62 · 6 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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