Oncontrol Powered Driver
Payments companies reported to CMS as associated with Oncontrol Powered Driver. "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 Oncontrol Powered Driver, 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 Oncontrol Powered Driver
These are the largest totals companies reported as associated with Oncontrol Powered Driver. 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) |
|---|---|---|---|
| Kirema Garcia-Reyes | Atlanta, GA | Vascular & Interventional Radiology | $4,530.88 |
| Venkatesh Krishnasamy | Birmingham, AL | Vascular & Interventional Radiology | $4,400.00 |
| Krista Kuhnert-Gainer | Nashville, TN | Acute Care (Nurse Practitioner) | $2,666.81 |
| Richard Marshall Jr | New Orleans, LA | Vascular & Interventional Radiology | $1,575.00 |
| Pat Hardy | Sacramento, CA | Pediatric Hematology-Oncology | $172.00 |
| Brian Ching | Tripler Army Medical Center, HI | Vascular & Interventional Radiology | $88.42 |
| John Williamson | Austin, TX | Diagnostic Radiology | $72.42 |
| Eric Fischer | Saint Louis, MO | Diagnostic Radiology | $33.75 |
| Abel Castellano | Fond Du Lac, WI | Diagnostic Radiology | $29.76 |
| Charles Ambelang | Rockford, IL | Diagnostic Radiology | $29.76 |
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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.