Arash Mahajerin, M.D.
NPI 1033315247ActiveIndividual· Pediatrics, Pediatric Hematology-Oncology· Orange, CA
Pediatrics, Pediatric Hematology-Oncology (M.D.) in Orange, California, licensed in CA, with an NPI issued in June 2007. Enrolled in Medicare as practitioner - pediatric medicine. Genentech USA, Inc. reported $109.04 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1033315247 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jun 25, 2007 |
| Last updated in NPPES | Mar 14, 2023 |
| Certified by provider | Mar 14, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Pediatrics, Pediatric Hematology-Oncology Primary | 2080P0207X | A126238 | 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 - Pediatric Medicine (CA) |
|---|
Industry payments (Open Payments)
- 2025$109.04 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Genentech USA, Inc. | $109.04 | 1 |
What the 2025 payments were for
- Food and Beverage$109.04 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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