Apollo Esg System
Payments companies reported to CMS as associated with Apollo Esg System. "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 Apollo Esg System, 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 Apollo Esg System
These are the largest totals companies reported as associated with Apollo Esg System. 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) |
|---|---|---|---|
| Christopher Gostout | Rochester, MN | Gastroenterology (Internal Medicine) | $18,408.42 |
| Rashmi Advani | Bellmore, NY | Gastroenterology (Internal Medicine) | $13,430.92 |
| Shailendra Singh | Morgantown, WV | Gastroenterology (Internal Medicine) | $9,197.53 |
| Robert Snow | Fort Worth, TX | Surgery | $8,482.00 |
| Adarsh Thaker | Los Angeles, CA | Gastroenterology (Internal Medicine) | $8,318.91 |
| Halim Charbel | Germantown, MD | Gastroenterology (Internal Medicine) | $5,635.85 |
| Brandon Vanderwel | Shoreline, WA | Surgery | $5,628.85 |
| Danny Issa | West Hills, CA | Gastroenterology (Internal Medicine) | $5,305.72 |
| Ali Zakaria | Rapid City, SD | Gastroenterology (Internal Medicine) | $1,944.67 |
| Rabindra Watson | West Hollywood, CA | Gastroenterology (Internal Medicine) | $1,829.59 |
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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.