Si System
Payments companies reported to CMS as associated with Si 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 Si 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 Si System
These are the largest totals companies reported as associated with Si 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) |
|---|---|---|---|
| Michael Chioffe | Chicago, IL | Orthopaedic Surgery | $10,617.00 |
| Hugh Mcdermott | Maywood, IL | Physical Medicine & Rehabilitation | $7,700.00 |
| Jennifer Dais | Peoria, AZ | Interventional Pain Medicine | $7,458.75 |
| Justin Field | Phoenix, AZ | Orthopaedic Surgery of The Spine | $6,881.25 |
| Azmi Nasser | Phoenix, AZ | Physical Medicine & Rehabilitation | $5,625.00 |
| Babajide Ogunseinde | Longview, TX | Orthopaedic Surgery | $4,293.75 |
| Phillip Esce | Spartanburg, SC | Neurological Surgery | $3,000.00 |
| George Elkanich | Las Vegas, NV | Orthopaedic Surgery of The Spine | $2,750.00 |
| Harvinder Bedi | Phoenix, AZ | Orthopaedic Surgery of The Spine | $438.75 |
Prescribed Si System?
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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.