Gs Solutions, INC.
Reporting payments is a legal requirement; large totals often reflect large product portfolios.
$451Kgeneral payments (2019-2025)
$862Kresearch payments (2019-2025)
119clinicians 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) |
|---|---|---|---|
| Anthony Sin | Shreveport, LA | Neurological Surgery | $98,518.05 |
| Parker Babington | Norfolk, VA | Neurological Surgery | $68,791.94 |
| David Goss | Chesapeake, VA | Orthopaedic Surgery | $41,575.39 |
| Michael Oh | Orange, CA | Neurological Surgery | $39,647.54 |
| Glen Poffenbarger | Cody, WY | Neurological Surgery | $30,092.77 |
| Joseph Koen | Chesapeake, VA | Neurological Surgery | $22,887.02 |
| Kee Kim | Sacramento, CA | Neurological Surgery | $21,028.52 |
| Jeffrey Wang | Los Angeles, CA | Orthopaedic Surgery of The Spine | $19,757.94 |
| Addisu Mesfin | Rochester, NY | Orthopaedic Surgery of The Spine | $11,683.68 |
| John Attenello | Los Angeles, CA | Orthopaedic Surgery of The Spine | $10,778.38 |
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.