Nhat Q. Nguyen, M.D.
NPI 1053643072ActiveIndividual· Internal Medicine, Gastroenterology· Denison, TX
Internal Medicine, Gastroenterology (M.D.) with Texomacare Specialty Physicians, practicing in Denison, Texas. Their prescriptions cost Medicare Part D more than their services did: $571,598 for 1,678 claims, against $152,762 paid for services in 2024. Abbvie Inc. was the largest of 13 companies reporting payments in 2025, $689.56 in all, mostly food and beverage. Lists Texoma Medical Center as a hospital affiliation.
Overview
| NPI | 1053643072 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Feb 1, 2010 |
| Last updated in NPPES | Jan 2, 2019 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Gastroenterology Primary | 207RG0100X | P2043 | TX |
| Internal Medicine | 207R00000X | P2043 | 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 - Gastroenterology (TX) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 596 |
|---|---|
| Services billed | 1,761 across 45 procedure codes |
| Paid by Medicare | $152,762 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,678 · 3,579 30-day fills |
|---|---|
| Patients | 448 |
| Total drug cost | $571,598 |
| Generic share | 80% of claims |
Education and affiliations
| Graduation year | 2007 |
|---|---|
| Medicare specialty | Gastroenterology |
| Secondary specialties | Internal Medicine |
Medical group
- Texomacare Specialty PhysiciansDurant, OK · 38 clinicians
Hospital affiliation
- Texoma Medical CenterDenison, TX
Industry payments (Open Payments)
- 2025$689.56 · 34 payments from 13 companies
- 2024$620.62 · 35 payments from 8 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbvie Inc. | $239.24 | 14 |
| Takeda Pharmaceuticals U.S.A., Inc. | $106.84 | 4 |
| Janssen Biotech, Inc. | $102.93 | 4 |
| Madrigal Pharmaceuticals | $34.82 | 1 |
| Salix Pharmaceuticals, A Division of Bausch Health US, LLC | $31.95 | 2 |
What the 2025 payments were for
- Food and Beverage$689.56 · 34 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other gastroenterologists in Denison
- 1396958484
- 1447238597
- 1497195457
- 1639195746