Orion Corporation
Reporting payments is a legal requirement; large totals often reflect large product portfolios.
$132Kgeneral payments (2019-2025)
$8,450research payments (2019-2025)
92clinicians paid
General and research payments are shown separately, never blended. Research payments are often institution-directed and tied to clinical trials.
General payments by year
General payments only, as reported to CMS. Research payments are totaled above and not included in these bars.
Specialties it works with most
Clinicians with the largest reported totals
Often long-running consulting, speaking, or advisory relationships, which companies must report by law. A large total is not evidence of anything improper.
| Clinician | Location | Specialty | General payments (2019-2025) |
|---|---|---|---|
| Prasad Adusumilli | New York, NY | Thoracic Surgery (Cardiothoracic Vascular Surgery) | $20,500.00 |
| Robert Dreicer | Charlottesville, VA | Medical Oncology | $14,384.00 |
| Roy Freeman | Boston, MA | Neurology (Psychiatry & Neurology) | $12,334.00 |
| Rodney Radtke | Durham, NC | Neurology (Psychiatry & Neurology) | $8,000.00 |
| Stephanie Gaillard | Baltimore, MD | Medical Oncology | $7,200.00 |
| Pasi Antero Janne | Boston, MA | Medical Oncology | $7,006.59 |
| Thomas Schnitzer | Chicago, IL | Neuromusculoskeletal Medicine, Sports Medicine | $5,525.00 |
| David Sheehan | Tampa, FL | Psychiatry | $4,770.00 |
| Kirk Campbell | New York, NY | Nephrology (Internal Medicine) | $4,250.00 |
| Jaffer Ajani | Houston, TX | Medical Oncology | $4,000.00 |
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.