Via Matrix
Payments companies reported to CMS as associated with Via Matrix. "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 Via Matrix, 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 Via Matrix
These are the largest totals companies reported as associated with Via Matrix. 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) |
|---|---|---|---|
| Gon Saman | Tavernier, FL | Foot & Ankle Surgery | $1,764.00 |
| Jacob Meisenburg | Ripley, WV | Foot & Ankle Surgery | $763.30 |
| Amy Pate | Loveland, CO | Public Health & General Preventive Medicine | $563.77 |
| Michael Liu | Santa Barbara, CA | Dermatology | $455.10 |
| Laurence Bradley | Algonquin, IL | Dermatology | $418.71 |
| Julie Hinchey | Edmond, OK | Family | $396.92 |
| Rajesh Iyengar | Chicago, IL | Family Medicine | $383.95 |
| Daniela Matijevich | Chesterton, IN | Primary Podiatric Medicine | $376.82 |
| Toddrick Tookes | Longview, WA | Foot & Ankle Surgery | $356.63 |
| Herminigildo Valle | Daly City, CA | Internal Medicine | $345.05 |
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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.