Mi-Chord
Payments companies reported to CMS as associated with Mi-Chord. "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 Mi-Chord, 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 Mi-Chord
These are the largest totals companies reported as associated with Mi-Chord. 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) |
|---|---|---|---|
| Michael Defrain | Pensacola, FL | Thoracic Surgery (Cardiothoracic Vascular Surgery) | $64,757.00 |
| Mahesh Ramchandani | Houston, TX | Thoracic Surgery (Cardiothoracic Vascular Surgery) | $27,567.21 |
| Mario Castillo-Sang | Edgewood, KY | Thoracic Surgery (Cardiothoracic Vascular Surgery) | $20,275.44 |
| Juan Penaranda-Canal | Edgewood, KY | Thoracic Surgery (Cardiothoracic Vascular Surgery) | $14,106.41 |
| Ziyab Sarfaraz | Houston, TX | Thoracic Surgery (Cardiothoracic Vascular Surgery) | $4,968.93 |
| Gianluca Torregrossa | Chicago, IL | Thoracic Surgery (Cardiothoracic Vascular Surgery) | $3,489.18 |
| Amanda Yakobitis | Wynnewood, PA | Surgical | $2,460.62 |
| Husam Balkhy | Chicago, IL | Thoracic Surgery (Cardiothoracic Vascular Surgery) | $224.19 |
| Carrie Baker | Port Charlotte, FL | Gerontology (Nurse Practitioner) | $58.80 |
| Ernesto Jimenez | Winchester, VA | Thoracic Surgery (Cardiothoracic Vascular Surgery) | $45.46 |
Prescribed Mi-Chord?
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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.