Vimpat
Payments companies reported to CMS as associated with Vimpat. "Associated with" is CMS's wording: it links a payment to a product without saying the money was spent on it.
By year
Payments reported as associated with Vimpat, per program year, as reported to CMS.
Who makes it
Specialties most often involved
Where the associated payments went, by the receiving clinician's specialty.
Clinicians most associated with Vimpat
These are the largest totals companies reported as associated with Vimpat. They are typically speaking or consulting arrangements, which companies must report by law; appearing here is not evidence of anything improper.
| Clinician | Location | Specialty | Associated payments (2023-2025) |
|---|---|---|---|
| David Vossler | Renton, WA | Neurology (Psychiatry & Neurology) | $3,800.00 |
| Elaine Wirrell | Rochester, MN | Epilepsy | $2,750.00 |
| Samir Macwan | Rancho Mirage, CA | Neuromuscular Medicine (Psychiatry & Neurology) | $37.74 |
| Mark Salama | Palm Desert, CA | Family Medicine | $37.74 |
| Alexander Ramos | Bethesda, MD | Neurology (Psychiatry & Neurology) | $31.72 |
| Amanda Pong | Stamford, CT | Neurology With Special Qualifications In Child Neurology | $31.72 |
| Pavel Klein | Bethesda, MD | Neurology (Psychiatry & Neurology) | $31.72 |
| Jonathan Ross | Bethesda, MD | Neurology (Psychiatry & Neurology) | $31.72 |
| Nagi Saied | San Clemente, CA | Dermatology | $21.29 |
| Hala Koudsi | Torrance, CA | $21.29 |
Prescribed Vimpat?
See what its makers reported for your doctor. Two steps, private, no account.
Source: CMS Open Payments, program years 2019-2025, as reported to CMS by drug and device makers (published June 30, 2026). Drug and device detail covers 2023-2025.