Sphere-9
Payments companies reported to CMS as associated with Sphere-9. "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 Sphere-9, 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 Sphere-9
These are the largest totals companies reported as associated with Sphere-9. 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) |
|---|---|---|---|
| Navid Nafissi | Bermuda Run, NC | Clinical Cardiac Electrophysiology | $1,634.50 |
| Ricky Henderson | Anderson, SC | Cardiovascular Disease | $1,487.95 |
| Gregory Cogert | Santa Barbara, CA | Clinical Cardiac Electrophysiology | $1,406.64 |
| Amit Thosani | Pittsburgh, PA | Clinical Cardiac Electrophysiology | $1,327.49 |
| Emma Hegwood | Ann Arbor, MI | Clinical Cardiac Electrophysiology | $1,321.97 |
| David Newton | Savannah, GA | Clinical Cardiac Electrophysiology | $1,305.76 |
| Farahnez Angella | Atlantis, FL | Clinical Cardiac Electrophysiology | $1,265.51 |
| Michelle Christian | Burnsville, MN | Adult Health (Nurse Practitioner) | $1,234.17 |
| John Ho | Jacksonville, FL | Anesthesiologist Assistant | $1,208.68 |
| Aneesh Tolat | Hartford, CT | Clinical Cardiac Electrophysiology | $1,205.22 |
Prescribed Sphere-9?
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.