Huyen Thi Nguyen, M.D.
NPI 1629167929ActiveIndividual· Internal Medicine· Live Oak, TX
Internal Medicine (M.D.) in Live Oak, Texas, trained at University of Texas Medical School at San Antonio (class of 1992). Their prescriptions cost Medicare Part D more than their services did: $337,387 for 4,537 claims, against $53,243 paid for services in 2024. Glaxosmithkline, LLC. reported $14.23 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1629167929 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | Yes |
| NPI issued | Oct 12, 2006 |
| Last updated in NPPES | Jul 8, 2007 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | J9241 | 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 - Internal Medicine (TX) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 223 |
|---|---|
| Services billed | 919 across 37 procedure codes |
| Paid by Medicare | $53,243 |
Part D prescriptions in 2024
| Prescriptions (claims) | 4,537 · 11,217 30-day fills |
|---|---|
| Patients | 294 |
| Total drug cost | $337,387 |
| Generic share | 89% of claims |
Education and affiliations
| Medical school | University of Texas Medical School at San Antonio |
|---|---|
| Graduation year | 1992 |
| Medicare specialty | Internal Medicine |
| Telehealth | Offers telehealth |
Medical group
- Flagship Medical GroupLive Oak, TX · 6 clinicians
Hospital affiliations
- Methodist HospitalSan Antonio, TX
- Methodist Hospital Stone OakSan Antonio, TX
Other facilities
- Completecare Home Health and HospiceHome health agency · San Antonio, TX
Industry payments (Open Payments)
- 2025$14.23 · 1 payment from 1 company
- 2024$15.52 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Glaxosmithkline, LLC. | $14.23 | 1 |
What the 2025 payments were for
- Food and Beverage$14.23 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 21 internal medicine physicians in Live Oak · All internal medicine physicians in Texas