Microsphere Embospheres
Payments companies reported to CMS as associated with Microsphere Embospheres. "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 Microsphere Embospheres, 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 Microsphere Embospheres
These are the largest totals companies reported as associated with Microsphere Embospheres. 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) |
|---|---|---|---|
| Ryan Lewis | South Jordan, UT | General Practice | $11,000.00 |
| Jason Hoffmann | Philadelphia, PA | Vascular & Interventional Radiology | $2,811.47 |
| Zahra Karimloo | Cleveland, OH | Diagnostic Radiology | $80.96 |
| Alireza Paydar | San Antonio, TX | Diagnostic Radiology | $80.96 |
| Dustin Thompson | Detroit, MI | Diagnostic Radiology | $80.96 |
| Charles Nutting | Greenwood Village, CO | Vascular & Interventional Radiology | $73.97 |
| Gerald Niedzwiecki | Clearwater, FL | Vascular & Interventional Radiology | $68.49 |
| Luke Carlson | Dallas, TX | Vascular & Interventional Radiology | $41.00 |
| Robert Handley | Denton, TX | Vascular & Interventional Radiology | $21.59 |
| John Perry | Marietta, GA | Vascular Surgery | $17.59 |
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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.