Tiffany Lam Nguyen, PA-C
NPI 1932832714ActiveIndividual· Physician Assistant· Fremont, CA
Physician Assistant (PA-C) in Fremont, California, trained at University of Southern California Keck School of Medicine (class of 2023). Part D covered 559 prescriptions written in 2024, 99% of them generic. Janssen Biotech, Inc. was the largest of 18 companies reporting payments in 2025, $3,333 in all, mostly food and beverage.
Overview
| NPI | 1932832714 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | PA-C |
| Sole proprietor | No |
| NPI issued | Jul 8, 2022 |
| Last updated in NPPES | Aug 2, 2023 |
| Certified by provider | Aug 2, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Physician Assistant Primary | 363A00000X | PA62821 | 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) |
|---|
Part D prescriptions in 2024
| Prescriptions (claims) | 559 · 590 30-day fills |
|---|---|
| Patients | 187 |
| Total drug cost | $19,114 |
| Generic share | 99% of claims |
Education and affiliations
| Medical school | University of Southern California Keck School of Medicine |
|---|---|
| Graduation year | 2023 |
| Medicare specialty | Physician Assistant |
Medical group
- East Bay Dermatology Medical Group Inc.Fremont, CA · 8 clinicians
Industry payments (Open Payments)
- 2025$3,333 · 130 payments from 18 companies
- 2024$4,360 · 136 payments from 20 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Janssen Biotech, Inc. | $516.67 | 21 |
| Pfizer Inc. | $403.68 | 18 |
| Leo Pharma Inc. | $391.86 | 20 |
| Abbvie Inc. | $337.73 | 14 |
| Arcutis Biotherapeutics, Inc. | $329.11 | 7 |
What the 2025 payments were for
- Food and Beverage$3,150 · 126 payments
- Education$182.75 · 4 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 73 physician assistants in Fremont · All physician assistants in California