Sir-Spheres Microspheres
Payments companies reported to CMS as associated with Sir-Spheres Microspheres. "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 Sir-Spheres Microspheres, 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 Sir-Spheres Microspheres
These are the largest totals companies reported as associated with Sir-Spheres Microspheres. 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) |
|---|---|---|---|
| Ripal Gandhi | Miami, FL | Vascular & Interventional Radiology | $774,202.33 |
| Nima Kokabi | Atlanta, GA | Vascular & Interventional Radiology | $608,252.31 |
| Edward Lee | Los Angeles, CA | Vascular & Interventional Radiology | $481,865.46 |
| Navid Eghbalieh | Los Angeles, CA | Vascular & Interventional Radiology | $318,051.32 |
| Suvranu Ganguli | Boston, MA | Vascular & Interventional Radiology | $272,482.05 |
| Michael Cohn | Hollywood, FL | Vascular & Interventional Radiology | $209,741.54 |
| Peiman Habibollahi | Houston, TX | Vascular & Interventional Radiology | $191,223.58 |
| Jayson Brower | Spokane, WA | Vascular & Interventional Radiology | $172,705.33 |
| Farshid Dayyani | Orange, CA | Medical Oncology | $172,114.31 |
| Michael Doherty | Jackson, TN | Diagnostic Radiology | $161,264.28 |
Prescribed Sir-Spheres Microspheres?
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.