Firdapse
Payments companies reported to CMS as associated with Firdapse. "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 Firdapse, 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 Firdapse
These are the largest totals companies reported as associated with Firdapse. 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) |
|---|---|---|---|
| Daniel Lee | Morehead, KY | Neurology (Psychiatry & Neurology) | $28,930.83 |
| Mazen Dimachkie | Houston, TX | Neurology (Psychiatry & Neurology) | $24,675.00 |
| Corey Langer | Philadelphia, PA | Hematology & Oncology | $15,622.15 |
| Eric Nadler | Dallas, TX | Medical Oncology | $12,500.00 |
| Tescha Carr | Marshall, MI | Physician Assistant | $10,448.06 |
| Ticiana Leal | Atlanta, GA | Hematology & Oncology | $10,302.92 |
| Phu Truong | Wichita, KS | Hematology & Oncology | $9,936.57 |
| Perry Shieh | Los Angeles, CA | Neurology (Psychiatry & Neurology) | $8,130.95 |
| David Gerber | Dallas, TX | Medical Oncology | $7,525.00 |
| Kettia Alusma Hibbert | Boca Raton, FL | Family | $5,077.50 |
Prescribed Firdapse?
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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.