Heartstring III Proximal Seal
Payments companies reported to CMS as associated with Heartstring III Proximal Seal. "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 Heartstring III Proximal Seal, 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 Heartstring III Proximal Seal
These are the largest totals companies reported as associated with Heartstring III Proximal Seal. 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) |
|---|---|---|---|
| Seyed Mohammad Khalafi | Fort Worth, TX | Thoracic Surgery (Cardiothoracic Vascular Surgery) | $2,574.81 |
| Samuel Baumguardner | Midland, TX | Physician Assistant | $603.87 |
| Kirit Patel | Midland, TX | Thoracic Surgery (Cardiothoracic Vascular Surgery) | $603.87 |
| Tung Huu Cai | Denton, TX | Thoracic Surgery (Cardiothoracic Vascular Surgery) | $588.15 |
| Shakeel Sharif | Fort Worth, TX | Surgical | $576.82 |
| Darien Bradford | Burleson, TX | Thoracic Surgery (Cardiothoracic Vascular Surgery) | $542.03 |
| Michael Hester | Midland, TX | Nurse Practitioner | $470.53 |
| Alison Ranade | Sacramento, CA | Surgical | $384.88 |
| James Anderson | Fort Worth, TX | Thoracic Surgery (Cardiothoracic Vascular Surgery) | $361.14 |
| Leah Colburn | Houston, TX | Surgical | $357.76 |
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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.