Mari Anna Hareyan, PA
NPI 1255004503ActiveIndividual· Physician Assistant· Van Nuys, CA
Physician Assistant (PA) in Van Nuys, California, with an NPI issued in July 2021. Their prescriptions cost Medicare Part D more than their services did: $19,621 for 345 claims, against $10,549 paid for services in 2024.
Overview
| NPI | 1255004503 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | PA |
| Sole proprietor | Yes |
| NPI issued | Jul 30, 2021 |
| Last updated in NPPES | Jul 30, 2021 |
| Certified by provider | Jul 30, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Physician Assistant Primary | 363A00000X | — | — |
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 | 56 |
|---|---|
| Services billed | 120 across 12 procedure codes |
| Paid by Medicare | $10,549 |
Part D prescriptions in 2024
| Prescriptions (claims) | 345 · 417 30-day fills |
|---|---|
| Patients | 85 |
| Total drug cost | $19,621 |
| Generic share | 90% of claims |
Industry payments (Open Payments)
None reported for 2025 or 2024.
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 56 physician assistants in Van Nuys · All physician assistants in California