Nghia Duy Nguyen, DO
NPI 1538725890ActiveIndividual· Internal Medicine, Gastroenterology· Harlingen, TX
Internal Medicine, Gastroenterology (DO) in Harlingen, Texas, trained at University of North Texas Hsc, College of Osteopathic Med (class of 2019). Enrolled in Medicare as practitioner - gastroenterology.
Overview
| NPI | 1538725890 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | DO |
| Sole proprietor | No |
| NPI issued | May 13, 2019 |
| Last updated in NPPES | Dec 4, 2025 |
| Certified by provider | Dec 4, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Gastroenterology Primary | 207RG0100X | V6658 | 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) |
|---|
Education and affiliations
| Medical school | University of North Texas Hsc, College of Osteopathic Med |
|---|---|
| Graduation year | 2019 |
| Medicare specialty | Gastroenterology |
Medical group
- Gastroenterology Consultants of South Texas, PLLCHarlingen, TX · 42 clinicians
Hospital affiliations
- Memorial Hermann - Texas Medical CenterHouston, TX
- Memorial Hermann Katy HospitalKaty, TX
- Rio Grande Regional HospitalMcAllen, TX
- Valley Regional Medical CenterBrownsville, TX
- Vhs Harlingen Hospital Company LLCHarlingen, TX
Industry payments (Open Payments)
None reported for 2025 or 2024.
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All Internal Medicine, Gastroenterology providers in Texas →