Maxtack
Payments companies reported to CMS as associated with Maxtack. "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 Maxtack, 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 Maxtack
These are the largest totals companies reported as associated with Maxtack. 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) |
|---|---|---|---|
| Samuel Szomstein | Weston, FL | Surgery | $4,160.00 |
| Brian Tuai | Oxnard, CA | Surgery | $376.19 |
| Joseph Eisner | Oxnard, CA | Surgery | $376.18 |
| Shawn Stevenson | Chandler, AZ | Surgery | $296.40 |
| Flavio Malcher Martins De Oliveira | New York, NY | Surgery | $220.35 |
| Chike Chukwumah | Hartford, CT | Surgery | $220.29 |
| Philip Corvo | Waterbury, CT | Surgical Critical Care | $216.56 |
| Eugene Rubach | Manhasset, NY | Surgery | $198.13 |
| Alisan Fathalizadeh | Orange, CA | Surgery | $189.81 |
| David Chi | Thousand Oaks, CA | Surgery | $183.75 |
Prescribed Maxtack?
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.