Zero Tip
Payments companies reported to CMS as associated with Zero Tip. "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 Zero Tip, 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 Zero Tip
These are the largest totals companies reported as associated with Zero Tip. 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) |
|---|---|---|---|
| Angeleque Hartt | Stanford, CA | $146.02 | |
| Nicolas Seranio | Duarte, CA | Urology | $146.02 |
| Tianjia Ge | Stanford, CA | Urology | $146.02 |
| Calvin Zhao | Stanford, CA | Urology | $146.01 |
| Anas Tresh | Stanford, CA | $146.01 | |
| Taylor Hughes | Palo Alto, CA | $146.01 | |
| Steve Zhou | Palo Alto, CA | $146.01 | |
| Michael Scott | Stanford, CA | $146.01 | |
| John Ogunkeye | Stanford, CA | $146.01 | |
| Ryan Turpen | Danville, KY | Urology | $13.49 |
Prescribed Zero Tip?
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.