Gav
Payments companies reported to CMS as associated with Gav. "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 Gav, 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 Gav
These are the largest totals companies reported as associated with Gav. 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) |
|---|---|---|---|
| Efrem Cox | Las Vegas, NV | Neurological Surgery | $169.15 |
| Arnett Klugh | Omaha, NE | Neurological Surgery | $147.67 |
| Zachary Barnard | Beverly Hills, CA | Neurological Surgery | $59.21 |
| Peter Balousek | Renton, WA | Neurological Surgery | $56.16 |
| Ryan Salinas | Renton, WA | Neurological Surgery | $56.16 |
| Diem Kieu Tran | Loma Linda, CA | Neurological Surgery | $55.24 |
| Vivek Mehta | Los Angeles, CA | Neurological Surgery | $51.96 |
| John Anson | Las Vegas, NV | Neurological Surgery | $31.69 |
| Vikas Rao | Mission Viejo, CA | Neurological Surgery | $28.71 |
| Diana Wilson | Fort Worth, TX | Neurological Surgery | $15.59 |
Prescribed Gav?
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.