Absolute Pro
Payments companies reported to CMS as associated with Absolute Pro. "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 Absolute Pro, 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 Absolute Pro
These are the largest totals companies reported as associated with Absolute Pro. 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) |
|---|---|---|---|
| Damian Grovas Abad | San Juan, PR | Interventional Cardiology | $96,625.00 |
| Kevin Onofrey | Detroit, MI | Vascular Surgery | $18,538.53 |
| Michael Chan | Orange, CA | Cardiovascular Disease | $16,018.14 |
| Mehran Massumi | Houston, TX | Interventional Cardiology | $15,064.39 |
| Bryan Fisher | Hendersonville, TN | Vascular Surgery | $6,950.00 |
| John Brandt | Asheville, NC | Clinical Cardiac Electrophysiology | $6,000.00 |
| Jackson Liang | Ann Arbor, MI | Clinical Cardiac Electrophysiology | $5,000.00 |
| Ramzan Zakir | New Brunswick, NJ | Cardiovascular Disease | $4,651.80 |
| Amit Srivastava | Edgewood, KY | Interventional Cardiology | $4,500.00 |
| Christian Bianchi | Loma Linda, CA | Surgery | $4,168.60 |
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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.