Memo 4d
Payments companies reported to CMS as associated with Memo 4d. "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 Memo 4d, 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 Memo 4d
These are the largest totals companies reported as associated with Memo 4d. 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) |
|---|---|---|---|
| Sreekumar Subramanian | Nashville, TN | Thoracic Surgery (Cardiothoracic Vascular Surgery) | $6,400.00 |
| Tommaso Hinna Danesi | Boston, MA | Surgery | $1,900.00 |
| Mario Castillo-Sang | Edgewood, KY | Thoracic Surgery (Cardiothoracic Vascular Surgery) | $1,411.80 |
| Danny Ramzy | Houston, TX | Thoracic Surgery (Cardiothoracic Vascular Surgery) | $1,200.00 |
| Clarence Owen | Brandon, FL | Thoracic Surgery (Cardiothoracic Vascular Surgery) | $980.85 |
| Richard Ohye | Denver, CO | Thoracic Surgery (Cardiothoracic Vascular Surgery) | $931.46 |
| James Rankin | Morgantown, WV | Thoracic Surgery (Cardiothoracic Vascular Surgery) | $664.15 |
| Robert Gallegos | Des Moines, IA | Thoracic Surgery (Cardiothoracic Vascular Surgery) | $405.61 |
| Matthew Henn | Columbus, OH | Thoracic Surgery (Cardiothoracic Vascular Surgery) | $387.76 |
| Gundars Katlaps | Tampa, FL | Thoracic Surgery (Cardiothoracic Vascular Surgery) | $320.03 |
Prescribed Memo 4d?
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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.