Cosine
Payments companies reported to CMS as associated with Cosine. "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 Cosine, 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 Cosine
These are the largest totals companies reported as associated with Cosine. 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) |
|---|---|---|---|
| Teag Turner | Orange, CA | Physician Assistant | $91.82 |
| John Faust | Baton Rouge, LA | Pediatric Orthopaedic Surgery | $91.05 |
| Stacey Bederman | Orange, CA | Orthopaedic Surgery of The Spine | $84.31 |
| Bowen Jiang | Fullerton, CA | Neurological Surgery | $49.78 |
| Erick Westbroek | Fullerton, CA | Neurological Surgery | $30.13 |
| Jonathan Rice | Thousand Oaks, CA | Surgical | $19.12 |
| Erik Spayde | Thousand Oaks, CA | Orthopaedic Surgery | $19.12 |
Prescribed Cosine?
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.