Parissa Jannati Hagh, MD
NPI 1922175835ActiveIndividual· Psychiatry & Neurology, Neurology· Irvine, CA
Psychiatry & Neurology, Neurology (MD) in Irvine, California, licensed in CA, with an NPI issued in November 2006. Part D covered 2,709 prescriptions written in 2024, 93% of them generic. Biogen, Inc. was the largest of 6 companies reporting payments in 2025, $887.91 in all, mostly food and beverage.
Overview
| NPI | 1922175835 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Nov 29, 2006 |
| Last updated in NPPES | Nov 29, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Psychiatry & Neurology, Neurology Primary | 2084N0400X | A60353 | 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 4, 2026 | No match | — |
| New York OMIG · Nov 4, 2026 | No match | — |
| Ohio Medicaid · Nov 4, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 4, 2026 | No match | — |
| Washington HCA · Nov 4, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Not in the public enrollment file of Oct 1, 2026 |
|---|
Part D prescriptions in 2024
| Prescriptions (claims) | 2,709 · 6,400 30-day fills |
|---|---|
| Patients | 557 |
| Total drug cost | $296,120 |
| Generic share | 93% of claims |
Industry payments (Open Payments)
- 2025$887.91 · 8 payments from 6 companies
- 2024$318.01 · 3 payments from 3 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Biogen, Inc. | $270.00 | 2 |
| Novartis Pharmaceuticals Corporation | $181.26 | 2 |
| Acadia Pharmaceuticals Inc | $121.83 | 1 |
| Amgen Inc. | $121.82 | 1 |
| Tg Therapeutics, Inc. | $99.45 | 1 |
What the 2025 payments were for
- Food and Beverage$737.91 · 7 payments
- Consulting Fee$150.00 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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