Viance
Payments companies reported to CMS as associated with Viance. "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 Viance, 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 Viance
These are the largest totals companies reported as associated with Viance. 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) |
|---|---|---|---|
| Robert Grossi | New York, NY | Vascular Surgery | $178.07 |
| Ryan Lydon | Rochester, NY | Vascular Surgery | $120.32 |
| Zachary Oman | Grand Island, NE | Interventional Cardiology | $100.45 |
| Tu Cao | El Paso, TX | Interventional Cardiology | $95.91 |
| Brent Davis | Tyler, TX | Interventional Cardiology | $86.33 |
| Augustine Njoku | Tyler, TX | Cardiovascular Disease | $84.43 |
| Frank Navetta | Tyler, TX | Interventional Cardiology | $83.75 |
| Varun Yelamanchili | Muskegon, MI | Interventional Cardiology | $70.92 |
| Ajay Pachika | Tyler, TX | Interventional Cardiology | $67.72 |
| Omar Morcos | Chicago, IL | Vascular Surgery | $60.87 |
Prescribed Viance?
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.