Ayarpi Nikolopoulos, PA-C
NPI 1841332376ActiveIndividual· Physician Assistant· Santa Clarita, CA
Physician Assistant (PA-C) in Santa Clarita, California, trained at University of Southern California Keck School of Medicine (class of 2006). Their prescriptions cost Medicare Part D more than their services did: $90,788 for 142 claims, against $3,241 paid for services in 2024. Incyte Corporation was the largest of 3 companies reporting payments in 2025, $199.96 in all, mostly food and beverage.
Overview
| NPI | 1841332376 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | PA-C |
| Sole proprietor | No |
| NPI issued | Feb 12, 2007 |
| Last updated in NPPES | Jul 17, 2023 |
| Certified by provider | Jul 17, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Physician Assistant Primary | 363A00000X | 18540 | 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 | 20 |
|---|---|
| Services billed | 41 across 6 procedure codes |
| Paid by Medicare | $3,241 |
Part D prescriptions in 2024
| Prescriptions (claims) | 142 · 178 30-day fills |
|---|---|
| Patients | 33 |
| Total drug cost | $90,788 |
| Generic share | 83% of claims |
Education and affiliations
| Medical school | University of Southern California Keck School of Medicine |
|---|---|
| Graduation year | 2006 |
| Medicare specialty | Physician Assistant |
Medical group
- Usc Care Medical Group IncLos Angeles, CA · 1,380 clinicians
Industry payments (Open Payments)
- 2025$199.96 · 3 payments from 3 companies
- 2024$274.95 · 5 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Incyte Corporation | $124.47 | 1 |
| Novocure Inc. | $40.85 | 1 |
| Caris Mpi, Inc. | $34.64 | 1 |
What the 2025 payments were for
- Food and Beverage$199.96 · 3 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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