Cynthia Ai-Nhi Nguyen, PA-C
NPI 1417735390ActiveIndividual· Physician Assistant· Sugar Land, TX
Physician Assistant (PA-C) with Kelsey-Seybold Medical Group, PLLC, practicing in Sugar Land, Texas. Their prescriptions cost Medicare Part D more than their services did: $26,276 for 132 claims, against $2,519 paid for services in 2024. Regeneron Healthcare Solutions, Inc. was the largest of 9 companies reporting payments in 2025, $635.47 in all, mostly food and beverage.
Overview
| NPI | 1417735390 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | PA-C |
| Sole proprietor | No |
| NPI issued | Sep 20, 2023 |
| Last updated in NPPES | Aug 22, 2025 |
| Certified by provider | Aug 22, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Physician Assistant Primary | 363A00000X | PA17296 | 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 - Physician Assistant (TX) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 17 |
|---|---|
| Services billed | 236 across 12 procedure codes |
| Paid by Medicare | $2,519 |
Part D prescriptions in 2024
| Prescriptions (claims) | 132 · 235 30-day fills |
|---|---|
| Patients | 38 |
| Total drug cost | $26,276 |
| Generic share | 77% of claims |
Education and affiliations
| Graduation year | 2023 |
|---|---|
| Medicare specialty | Physician Assistant |
Medical group
- Kelsey-Seybold Medical Group, PLLCHouston, TX · 957 clinicians
Industry payments (Open Payments)
- 2025$635.47 · 32 payments from 9 companies
- 2024$1,716 · 64 payments from 13 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Regeneron Healthcare Solutions, Inc. | $290.85 | 11 |
| Astrazeneca Pharmaceuticals LP | $147.30 | 12 |
| Grifols USA, LLC | $48.09 | 2 |
| Glaxosmithkline, LLC. | $45.21 | 2 |
| Takeda Pharmaceuticals U.S.A., Inc. | $29.07 | 1 |
What the 2025 payments were for
- Food and Beverage$635.47 · 32 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 78 physician assistants in Sugar Land · All physician assistants in Texas