Xyrem
Payments companies reported to CMS as associated with Xyrem. "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 Xyrem, 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 Xyrem
These are the largest totals companies reported as associated with Xyrem. 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) |
|---|---|---|---|
| Virend Somers | Rochester, MN | Cardiovascular Disease | $25,747.82 |
| Eric Nofzinger | Pittsburgh, PA | $20,200.00 | |
| William White | Farmington, CT | Hypertension Specialist | $15,406.25 |
| Apoor Gami | Elmhurst, IL | Clinical Cardiac Electrophysiology | $14,362.98 |
| Younghoon Kwon | Seattle, WA | Cardiovascular Disease | $14,199.48 |
| Thomas Scammell | Boston, MA | Neurology (Psychiatry & Neurology) | $11,818.68 |
| Phyllis Zee | Chicago, IL | Sleep Medicine (Psychiatry & Neurology) | $11,763.65 |
| Shahrokh Javaheri | Cincinnati, OH | Sleep Medicine (Family Medicine) | $11,596.13 |
| Lee Surkin | Greenville, NC | Cardiovascular Disease | $10,644.34 |
| Gregg Pressman | Philadelphia, PA | Cardiovascular Disease | $10,472.89 |
Prescribed Xyrem?
See what its makers reported for your doctor. Two steps, private, no account.
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.