Synthecel
Payments companies reported to CMS as associated with Synthecel. "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 Synthecel, 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 Synthecel
These are the largest totals companies reported as associated with Synthecel. 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) |
|---|---|---|---|
| Robert Starke | Miami, FL | Neurological Surgery | $5,083.11 |
| Blake Phillips | Little Rock, AR | Neurological Surgery | $3,604.70 |
| Marc Lee | Stanford, CA | Neurological Surgery | $3,510.00 |
| Ricardo Hanel | Jacksonville, FL | Neurological Surgery | $1,246.58 |
| Ndi Geh | San Antonio, TX | Neurological Surgery | $877.87 |
| Ahmad Chehab | Royal Oak, MI | Neurological Surgery | $509.79 |
| Casey Spinelli | Royal Oak, MI | Neurological Surgery | $509.79 |
| Hassan Kobeissi | Royal Oak, MI | Neurological Surgery | $509.79 |
| Mark Witcher | Roanoke, VA | Neurological Surgery | $444.16 |
| Eric Mong | Royal Oak, MI | Neurological Surgery | $431.16 |
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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.