Corvista System
Payments companies reported to CMS as associated with Corvista System. "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 Corvista System, 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 Corvista System
These are the largest totals companies reported as associated with Corvista System. 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) |
|---|---|---|---|
| Sridhar Chatrathi | Greenbelt, MD | Cardiovascular Disease | $726.62 |
| Jessica O Brien | Greenbelt, MD | Physician Assistant | $493.07 |
| Rajasekhar Nekkanti | Greenville, NC | Cardiovascular Disease | $474.81 |
| Amar Patel | Marietta, GA | Interventional Cardiology | $222.34 |
| Bryan Piedad | Marietta, GA | Clinical Cardiac Electrophysiology | $222.34 |
| Parminder Singh | Marion, OH | Internal Medicine | $215.78 |
| Peter Wagner | Greenville, NC | Cardiovascular Disease | $212.54 |
| Jayesh Patel | Greenville, NC | Cardiovascular Disease | $207.61 |
| Umberto Fontana | Hendersonville, NC | Interventional Cardiology | $205.97 |
| Veeranna Maddipati | Greenville, NC | Pulmonary Disease | $203.42 |
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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.