Zak Ortho
Reporting payments is a legal requirement; large totals often reflect large product portfolios.
$47Kgeneral payments (2019-2025)
$0.00research payments (2019-2025)
132clinicians paid
General and research payments are shown separately, never blended. Research payments are often institution-directed and tied to clinical trials.
General payments by year
General payments only, as reported to CMS. Research payments are totaled above and not included in these bars.
Specialties it works with most
Clinicians with the largest reported totals
Often long-running consulting, speaking, or advisory relationships, which companies must report by law. A large total is not evidence of anything improper.
| Clinician | Location | Specialty | General payments (2019-2025) |
|---|---|---|---|
| Jordan Nester | Gaylord, MI | Orthopaedic Surgery | $2,218.31 |
| Daniel Sohn | Saint Joseph, MI | Orthopaedic Surgery | $1,489.50 |
| Joshua Goethals | Lansing, MI | Orthopaedic Surgery | $1,357.82 |
| Nicholas Loafman | South Haven, MI | Orthopaedic Surgery | $1,249.86 |
| William Truluck | Okemos, MI | Hand Surgery | $1,246.24 |
| Patrick O'Callaghan | Charleston, SC | Orthopaedic Surgery | $1,246.22 |
| Richard Giannotti | Midland, MI | Sports Medicine (Family Medicine) | $1,116.65 |
| Matthew Kolevar | Pittsburgh, PA | Orthopaedic Surgery | $1,113.66 |
| Matthew Karek | Grand Rapids, MI | Orthopaedic Surgery of The Spine | $1,096.70 |
| Kendall Hamilton | Grand Rapids, MI | Sports Medicine (Orthopaedic Surgery) | $1,089.70 |
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.