Polarstem
Payments companies reported to CMS as associated with Polarstem. "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 Polarstem, 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 Polarstem
These are the largest totals companies reported as associated with Polarstem. 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) |
|---|---|---|---|
| Thorsten Seyler | Durham, NC | Adult Reconstructive Orthopaedic Surgery | $106,800.19 |
| Steven Haas | New York, NY | Orthopaedic Surgery | $82,598.93 |
| Ran Schwarzkopf | Orange, CA | $68,389.92 | |
| Stephen Duncan | Lexington, KY | Adult Reconstructive Orthopaedic Surgery | $63,940.04 |
| George Haidukewych | Orlando, FL | Orthopaedic Surgery | $63,721.99 |
| Adam Rana | Falmouth, ME | Orthopaedic Surgery | $57,772.62 |
| Bradford Waddell | Dallas, TX | Orthopaedic Surgery | $55,528.10 |
| Michael Ast | Paramus, NJ | Orthopaedic Surgery | $50,288.14 |
| Mathias Bostrom | White Plains, NY | Orthopaedic Surgery | $49,406.44 |
| Ritesh Shah | Morton Grove, IL | Orthopaedic Surgery | $49,190.07 |
Prescribed Polarstem?
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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.