TAI N NGUYEN
Allopathic & Osteopathic Physicians|Internal Medicine HOUSTON, TX NPI 1982659629
Browse related groups: Allopathic & Osteopathic Physicians|Internal Medicine TX PFIZER INC. All categories
General Payments — all program years on this page
$3,576.97
- Category: General Payments
- Program years: PY2018–2024
- Record count: 239
- As of (CMS publication): 2026-01-23
Latest program year (PY2024): $265.43 across 13 records · disputed records: 0
Financial relationships do not necessarily indicate an improper relationship; the data is open to interpretation.
How this figure is calculated
- The total is the sum of the General Payments records CMS published for the labeled program year(s), exactly as published. Nothing is estimated, weighted, or combined across categories.
- General Payments only. Research and Ownership/Investment are separate datasets and are never summed with these figures; amounts are kept separate per program year.
- Featured-page threshold (a presentation gate, not a judgment): records>=3 OR total>=100 (all years).
- Methodology & Data — sourcing, labeling, and limitations.
By nature of payment
Latest program year (PY2024) · sorted by reported total.
| Nature of payment | Amount | Records |
|---|---|---|
| Food and Beverage | $265.43 | 13 |
By paying entity
Latest program year (PY2024) · sorted by reported total.
| Paying entity | Amount | Records |
|---|---|---|
| PFIZER INC. | $79.18 | 3 |
| Otsuka America Pharmaceutical, Inc. | $38.06 | 2 |
| NOVARTIS PHARMACEUTICALS CORPORATION | $23.55 | 1 |
| Merck Sharp & Dohme Corporation | $20.23 | 1 |
| Bayer HealthCare Pharmaceuticals Inc. | $18.79 | 1 |
| GlaxoSmithKline, LLC. | $18.00 | 1 |
| Lilly USA, LLC | $17.38 | 1 |
| Amgen Inc. | $16.96 | 1 |
| Inspire Medical Systems, Inc. | $16.93 | 1 |
| Salix Pharmaceuticals, a division of Bausch Health US, LLC | $16.35 | 1 |
By program year
Records — PY2024 (13)
Provenance & corrections
- Dataset: CMS Open Payments — General Payments
- Source: CMS Open Payments dataset (bulk file)
- Publisher of source data: Centers for Medicare & Medicaid Services
- Generated from: OP_DTL_GNRL_PGYR2024_P01232026_01102026.csv
One page per canonical provider; split Profile_IDs are merged via Associated_Covered_Recipient_Profile_ID_1/_2 from the Covered Recipient Profile Supplement.
Corrections to the substance of a record route to CMS through its review-and-dispute process; errors in how this site mirrors or displays a record route to us. Both paths are described in Methodology & Data.