E-Cath II Plus Tsui
Payments companies reported to CMS as associated with E-Cath II Plus Tsui. "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 E-Cath II Plus Tsui, 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 E-Cath II Plus Tsui
These are the largest totals companies reported as associated with E-Cath II Plus Tsui. 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) |
|---|---|---|---|
| Stefan Simon | San Francisco, CA | Anesthesiology | $6,515.77 |
| Arun Nagdev | Providence, RI | Emergency Medicine | $34.65 |
| Michael Frondorf | Houston, TX | Anesthesiology | $25.39 |
| Wen Chen | Indianapolis, IN | Anesthesiologist Assistant | $25.39 |
| Sapna Ravindranath | Indianapolis, IN | Anesthesiology | $25.39 |
| Yuk Wai Dominic Ng | Indianapolis, IN | Anesthesiologist Assistant | $25.39 |
| Curtis Groover | Indianapolis, IN | Anesthesiology | $25.39 |
| Gregory Aycock | Saint Louis, MO | Anesthesiologist Assistant | $25.39 |
| Dennis Le | Indianapolis, IN | Anesthesiologist Assistant | $25.39 |
| Makato Kataoka | Indianapolis, IN | Anesthesiology | $25.39 |
Prescribed E-Cath II Plus Tsui?
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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.