John Quyet Tu Nguyen, M.D.
NPI 1366547150ActiveIndividual· Internal Medicine· Bryan, TX
Internal Medicine (M.D.) in Bryan, Texas, trained at Saint Louis University School of Medicine (class of 1993). 297 Medicare patients in 2024, $85,130 paid; nearly all of their 576 Part D prescriptions were generic (90%). Sumitomo Pharma America, Inc. was the largest of 2 companies reporting payments in 2025, $36.49 in all, mostly food and beverage.
Overview
| NPI | 1366547150 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Sep 14, 2006 |
| Last updated in NPPES | Dec 15, 2008 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | K3807 | TX |
| Internal Medicine | 207R00000X | G80554 | CA |
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 | 297 |
|---|---|
| Services billed | 1,023 across 8 procedure codes |
| Paid by Medicare | $85,130 |
Part D prescriptions in 2024
| Prescriptions (claims) | 576 · 587 30-day fills |
|---|---|
| Patients | 218 |
| Total drug cost | $27,155 |
| Generic share | 90% of claims |
Education and affiliations
| Medical school | Saint Louis University School of Medicine |
|---|---|
| Graduation year | 1993 |
| Medicare specialty | Internal Medicine |
Medical groups
- Usacs Integrated Acute Care Services of Texas, PLLCKerrville, TX · 387 clinicians
- Lone Star Integrated Acute Care of East Texas PLLCNacogdoches, TX · 12 clinicians
Hospital affiliation
- Nacogdoches Medical CenterNacogdoches, TX
Industry payments (Open Payments)
- 2025$36.49 · 2 payments from 2 companies
- 2024$145.37 · 8 payments from 3 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Sumitomo Pharma America, Inc. | $20.31 | 1 |
| Edwards Lifesciences Corporation | $16.18 | 1 |
What the 2025 payments were for
- Food and Beverage$36.49 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 28 internal medicine physicians in Bryan · All internal medicine physicians in Texas