Diana K. Nguyen, DO
NPI 1225270473ActiveIndividual· Pediatrics, Pediatric Infectious Diseases· Galveston, TX
Pediatrics, Pediatric Infectious Diseases (DO) in Galveston, Texas, licensed in TX, with an NPI issued in April 2009. Enrolled in Medicare as practitioner - pediatric medicine. Merck Sharp & Dohme LLC was the largest of 3 companies reporting payments in 2025, $60.28 in all, mostly food and beverage.
Overview
| NPI | 1225270473 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | DO |
| Sole proprietor | No |
| NPI issued | Apr 2, 2009 |
| Last updated in NPPES | Apr 19, 2024 |
| Certified by provider | Apr 1, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Pediatrics, Pediatric Infectious Diseases Primary | 2080P0208X | R3723 | TX |
| Pediatrics | 208000000X | R3723 | 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 - Pediatric Medicine (TX) |
|---|
Industry payments (Open Payments)
- 2025$60.28 · 3 payments from 3 companies
- 2024$24.82 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Merck Sharp & Dohme LLC | $27.00 | 1 |
| Collegium Pharmaceutical, Inc. | $19.20 | 1 |
| Cranial Technologies, Inc | $14.08 | 1 |
What the 2025 payments were for
- Food and Beverage$60.28 · 3 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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