Bio4
Payments companies reported to CMS as associated with Bio4. "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 Bio4, 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 Bio4
These are the largest totals companies reported as associated with Bio4. 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) |
|---|---|---|---|
| Nicolas Piuzzi | Cleveland, OH | Adult Reconstructive Orthopaedic Surgery | $13,816.48 |
| Philipp Leucht | New York, NY | Orthopaedic Trauma | $8,020.89 |
| Gregory Carolan | Bethlehem, PA | Orthopaedic Surgery | $6,375.00 |
| Eric Tan | Los Angeles, CA | Foot and Ankle Surgery | $6,100.00 |
| Robert Wetzel | Cleveland, OH | Orthopaedic Trauma | $4,086.63 |
| Alex Gitelman | Stamford, CT | Orthopaedic Surgery of The Spine | $3,360.30 |
| Kyle Peterson | Bartlett, IL | Foot & Ankle Surgery | $3,240.00 |
| Bala Giri | Dallas, TX | Neurological Surgery | $2,617.67 |
| Wellington Hsu | Chicago, IL | Orthopaedic Surgery | $1,812.50 |
| Joshua Hunter | Charlotte, NC | Orthopaedic Surgery | $1,800.00 |
Prescribed Bio4?
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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.