Ep-4
Payments companies reported to CMS as associated with Ep-4. "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 Ep-4, 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 Ep-4
These are the largest totals companies reported as associated with Ep-4. 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) |
|---|---|---|---|
| Thomas Deering | Atlanta, GA | Clinical Cardiac Electrophysiology | $28,025.00 |
| Nelson Prager | Aurora, CO | Cardiovascular Disease | $168.36 |
| Christopher Porterfield | Aurora, CO | Clinical Cardiac Electrophysiology | $115.47 |
| Parth Makker | New York, NY | Clinical Cardiac Electrophysiology | $74.87 |
| Ganesh Venkataraman | Lakewood, CO | Clinical Cardiac Electrophysiology | $59.27 |
| Kelly Peterson | Maple Grove, MN | Nurse Anesthetist, Certified Registered | $55.42 |
| Andrew Cohen | Aurora, CO | Cardiovascular Disease | $52.87 |
| Blair Halperin | Bend, OR | Clinical Cardiac Electrophysiology | $39.05 |
| Alefiyah Rajabali | Portland, OR | Cardiovascular Disease | $39.05 |
| Darren Jones | Portland, OR | Clinical Cardiac Electrophysiology | $39.05 |
Prescribed Ep-4?
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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.