Legacy System
Payments companies reported to CMS as associated with Legacy System. "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 Legacy System, 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 Legacy System
These are the largest totals companies reported as associated with Legacy System. 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) |
|---|---|---|---|
| Alap Choksey | Toledo, OH | General Practice (Dentist) | $80.45 |
| Annabel Koa | San Mateo, CA | General Practice (Dentist) | $66.96 |
| Ruixiang Qin | Oakland, CA | Dentist | $63.51 |
| Shivani Gupta | Santa Rosa, CA | Dentist | $59.15 |
| Samuel Wakim | Clermont, FL | Dentist | $58.80 |
| Paul Schwarz | El Segundo, CA | Oral and Maxillofacial Surgery | $55.46 |
| Jeffrey Eakin | Pasadena, TX | General Practice (Dentist) | $50.83 |
| Sung Hong | Sunnyvale, CA | Prosthodontics | $50.60 |
| Deborha Staten | Las Vegas, NV | General Practice (Dentist) | $50.36 |
| Jerry Yang | Fremont, CA | General Practice (Dentist) | $40.00 |
Prescribed Legacy System?
See what its makers reported for your doctor. Two steps, private, no account.
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.