Vx1
Payments companies reported to CMS as associated with Vx1. "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 Vx1, 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 Vx1
These are the largest totals companies reported as associated with Vx1. 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) |
|---|---|---|---|
| Andrea Natale | Austin, TX | Clinical Cardiac Electrophysiology | $53,180.51 |
| Smit Vasaiwala | Maywood, IL | Cardiovascular Disease | $43,498.31 |
| Paul Zei | Boston, MA | Cardiovascular Disease | $41,933.75 |
| Devi Nair | Jonesboro, AR | Clinical Cardiac Electrophysiology | $39,431.07 |
| Miguel Valderrabano | Houston, TX | Clinical Cardiac Electrophysiology | $37,838.35 |
| Saumil Oza | Jacksonville, FL | Clinical Cardiac Electrophysiology | $37,096.57 |
| Stavros Mountantonakis | Manhasset, NY | Clinical Cardiac Electrophysiology | $27,872.00 |
| John Hummel | Columbus, OH | Clinical Cardiac Electrophysiology | $26,726.07 |
| Jose Osorio Filho | Miami, FL | Clinical Cardiac Electrophysiology | $22,255.38 |
| Mark Metzl | Evanston, IL | Clinical Cardiac Electrophysiology | $19,871.42 |
Prescribed Vx1?
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.