Dereck Curtis Wei, MD
NPI 1720720105ActiveIndividual· Psychiatry & Neurology, Psychiatry· Ontario, CA
Psychiatry & Neurology, Psychiatry (MD) in Ontario, California, licensed in CA, with an NPI issued in April 2022. Part D covered 27 prescriptions written in 2024, 100% of them generic. Alkermes, Inc. was the largest of 2 companies reporting payments in 2025, $205.09 in all, mostly food and beverage.
Overview
| NPI | 1720720105 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Apr 7, 2022 |
| Last updated in NPPES | Aug 13, 2026 |
| Certified by provider | Aug 13, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Psychiatry & Neurology, Psychiatry Primary | 2084P0800X | A190956 | 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 - Psychiatry (CA) |
|---|
Part D prescriptions in 2024
| Prescriptions (claims) | 27 · 27 30-day fills |
|---|---|
| Total drug cost | $807.47 |
| Generic share | 100% of claims |
Education and affiliations
| Graduation year | 2022 |
|---|---|
| Medicare specialty | Psychiatry |
Industry payments (Open Payments)
- 2025$205.09 · 4 payments from 2 companies
- 2024$28.02 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Alkermes, Inc. | $183.25 | 3 |
| Janssen Pharmaceuticals, Inc | $21.84 | 1 |
What the 2025 payments were for
- Food and Beverage$205.09 · 4 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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