Thuc Quyen Thi Nguyen
NPI 1033378195ActiveIndividual· Internal Medicine, Gastroenterology· Arlington, TX
Internal Medicine, Gastroenterology in Arlington, Texas, trained at Louisiana State University School of Medicine in New Orleans (class of 2007). Their prescriptions cost Medicare Part D more than their services did: $335,711 for 1,468 claims, against $49,057 paid for services in 2024. Madrigal Pharmaceuticals was the largest of 2 companies reporting payments in 2025, $226.77 in all, mostly food and beverage.
Overview
| NPI | 1033378195 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Sole proprietor | Yes |
| NPI issued | Jun 4, 2008 |
| Last updated in NPPES | May 28, 2026 |
| Certified by provider | May 28, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Gastroenterology Primary | 207RG0100X | 4207-320 | WI |
| Internal Medicine, Gastroenterology | 207RG0100X | MD038104 | DC |
| Internal Medicine, Gastroenterology | 207RG0100X | 0101246843 | VA |
| Internal Medicine, Gastroenterology | 207RG0100X | 87918 | SC |
| Internal Medicine, Gastroenterology | 207RG0100X | P5435 | 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 - Gastroenterology (SC); Practitioner - Gastroenterology (TX); Practitioner - Gastroenterology (WI) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 231 |
|---|---|
| Services billed | 504 across 20 procedure codes |
| Paid by Medicare | $49,057 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,468 · 2,351 30-day fills |
|---|---|
| Patients | 523 |
| Total drug cost | $335,711 |
| Generic share | 75% of claims |
Education and affiliations
| Medical school | Louisiana State University School of Medicine in New Orleans |
|---|---|
| Graduation year | 2007 |
| Medicare specialty | Gastroenterology |
| Secondary specialties | Internal Medicine |
Medical groups
- Christus Trinity Clinic TexasTyler, TX · 1,540 clinicians
- McLeod Regional Medical Center of the Pee Dee IncMyrtle Beach, SC · 406 clinicians
Hospital affiliations
- Christus Mother Frances HospitalTyler, TX
- Christus Mother Frances Hospital Sulphur SpringsSulphur Springs, TX
- Christus Mother Frances Hospital- WinnsboroWinnsboro, TX
- McLeod Regional Medical Center-Pee DeeFlorence, SC
- Usmd Hospital at Arlington L PArlington, TX
Industry payments (Open Payments)
- 2025$226.77 · 10 payments from 2 companies
- 2024$18.12 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Madrigal Pharmaceuticals | $154.75 | 6 |
| Abbvie Inc. | $72.02 | 4 |
What the 2025 payments were for
- Food and Beverage$226.77 · 10 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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