Christina Thi Nguyen, PA - C
NPI 1063894988ActiveIndividual· Physician Assistant, Medical· Costa Mesa, CA
Physician Assistant, Medical (PA - C) with Regents of the University of, practicing in Costa Mesa, California. 232 Medicare patients in 2024, $21,080 paid; nearly all of their 208 Part D prescriptions were generic (92%). Kowa Pharmaceuticals America, Inc. was the largest of 3 companies reporting payments in 2025, $232.54 in all, mostly food and beverage. Lists Uci Health-Orange as a hospital affiliation.
Overview
| NPI | 1063894988 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | PA - C |
| Sole proprietor | No |
| NPI issued | Jun 27, 2015 |
| Last updated in NPPES | Dec 8, 2025 |
| Certified by provider | Dec 8, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Physician Assistant, Medical Primary | 363AM0700X | 52593 | 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 - Physician Assistant (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 232 |
|---|---|
| Services billed | 354 across 43 procedure codes |
| Paid by Medicare | $21,080 |
Part D prescriptions in 2024
| Prescriptions (claims) | 208 · 217 30-day fills |
|---|---|
| Patients | 148 |
| Total drug cost | $3,531 |
| Generic share | 92% of claims |
Education and affiliations
| Graduation year | 2015 |
|---|---|
| Medicare specialty | Physician Assistant |
Medical group
- Regents of the University ofOrange, CA · 129 clinicians
Hospital affiliation
- Uci Health-OrangeOrange, CA
Industry payments (Open Payments)
- 2025$232.54 · 21 payments from 3 companies
- 2024$122.29 · 4 payments from 3 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Kowa Pharmaceuticals America, Inc. | $179.05 | 19 |
| Eisai Inc. | $31.86 | 1 |
| Novo Nordisk Inc | $21.63 | 1 |
What the 2025 payments were for
- Food and Beverage$232.54 · 21 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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