Simpact
Payments companies reported to CMS as associated with Simpact. "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 Simpact, 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 Simpact
These are the largest totals companies reported as associated with Simpact. 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) |
|---|---|---|---|
| Ali Mesiwala | Rancho Cucamonga, CA | Neurological Surgery | $87,350.69 |
| Adam Lewis | Corpus Christi, TX | Neurological Surgery | $15,180.10 |
| Mohammad Khan | New Lenox, IL | Neurological Surgery | $9,967.57 |
| Andrew Fanous | Alexandria, VA | Neurological Surgery | $9,310.00 |
| Brett Gunter | West Columbia, SC | Neurological Surgery | $8,939.06 |
| Derrick Dupre | New Port Richey, FL | Neurological Surgery | $7,252.00 |
| David Yeh | San Jose, CA | Neurological Surgery | $2,874.35 |
| Chad Hartley | Lake Havasu City, AZ | Neurological Surgery | $1,531.20 |
| Brian Hudson | Spring Hill, FL | Neurological Surgery | $1,366.50 |
| Tien Le | Brandon, FL | Neurological Surgery | $979.31 |
Prescribed Simpact?
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.