Ellen Chang Wong, MD
NPI 1417339607ActiveIndividual· Psychiatry & Neurology, Neurology· Downey, CA
Psychiatry & Neurology, Neurology (MD) in Downey, California, licensed in CA, with an NPI issued in June 2015. Part D covered 293 prescriptions written in 2024, 98% of them generic. Biogen, Inc. reported $124.00 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1417339607 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jun 24, 2015 |
| Last updated in NPPES | May 6, 2022 |
| Certified by provider | May 6, 2022 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Psychiatry & Neurology, Neurology Primary | 2084N0400X | A146928 | 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 - Neurology (CA) |
|---|
Part D prescriptions in 2024
| Prescriptions (claims) | 293 · 405 30-day fills |
|---|---|
| Patients | 47 |
| Total drug cost | $5,903 |
| Generic share | 98% of claims |
Industry payments (Open Payments)
- 2025$124.00 · 1 payment from 1 company
- 2024$22.59 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Biogen, Inc. | $124.00 | 1 |
What the 2025 payments were for
- Food and Beverage$124.00 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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