Viola
Payments companies reported to CMS as associated with Viola. "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 Viola, 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 Viola
These are the largest totals companies reported as associated with Viola. 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) |
|---|---|---|---|
| Niv Ad | Takoma Park, MD | $13,576.60 | |
| Nirav Patel | New York, NY | Thoracic Surgery (Cardiothoracic Vascular Surgery) | $376.30 |
| Anthony Rongione | Orlando, FL | Thoracic Surgery (Cardiothoracic Vascular Surgery) | $247.60 |
| Karen Walker | Orlando, FL | Thoracic Surgery (Cardiothoracic Vascular Surgery) | $247.60 |
| John Perry | Canton, OH | Thoracic Surgery (Cardiothoracic Vascular Surgery) | $88.90 |
| Geoffrey Cousins | Huntington, WV | Thoracic Surgery (Cardiothoracic Vascular Surgery) | $37.89 |
Prescribed Viola?
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.