Andrea Nguyen, PA-C
NPI 1255615761ActiveIndividual· Physician Assistant· Irvine, CA
Physician Assistant (PA-C) with First Oc Dermatology PC, practicing in Irvine, California. Their prescriptions cost Medicare Part D more than their services did: $944,690 for 1,307 claims, against $4,077 paid for services in 2024. Incyte Corporation was the largest of 27 companies reporting payments in 2025, $348,049 in all, mostly speaking and faculty fees.
Overview
| NPI | 1255615761 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | PA-C |
| Sole proprietor | No |
| NPI issued | Oct 3, 2011 |
| Last updated in NPPES | Aug 15, 2022 |
| Certified by provider | Aug 15, 2022 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Physician Assistant Primary | 363A00000X | 21886 | CA |
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 - Physician Assistant (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 55 |
|---|---|
| Services billed | 63 across 5 procedure codes |
| Paid by Medicare | $4,077 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,307 · 1,595 30-day fills |
|---|---|
| Patients | 429 |
| Total drug cost | $944,690 |
| Generic share | 90% of claims |
Education and affiliations
| Graduation year | 2011 |
|---|---|
| Medicare specialty | Physician Assistant |
Medical group
- First Oc Dermatology PCFountain Valley, CA · 13 clinicians
Industry payments (Open Payments)
- 2025$348,049 · 779 payments from 27 companies
- 2024$294,429 · 681 payments from 23 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Incyte Corporation | $51,964 | 107 |
| Janssen Biotech, Inc. | $51,370 | 71 |
| Organon LLC | $33,542 | 52 |
| Arcutis Biotherapeutics, Inc. | $29,215 | 61 |
| Amgen Inc. | $27,960 | 49 |
What the 2025 payments were for
- Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program$174,833 · 129 payments
- Consulting Fee$64,123 · 40 payments
- Travel and Lodging$58,693 · 160 payments
- Honoraria$30,338 · 21 payments
- Food and Beverage$14,952 · 425 payments
- Compensation for serving as faculty or as a speaker for a medical education program$4,932 · 2 payments
- Education$178.99 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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