Quartex
Payments companies reported to CMS as associated with Quartex. "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 Quartex, 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 Quartex
These are the largest totals companies reported as associated with Quartex. 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) |
|---|---|---|---|
| Christopher Chaput | San Antonio, TX | Orthopaedic Surgery | $444,641.02 |
| Abdi Mohit | Cleveland, OH | Neurological Surgery | $392,135.65 |
| Eric Nottmeier | Jacksonville, FL | Neurological Surgery | $392,096.49 |
| Richard Frisch | Mt Pleasant, SC | Orthopaedic Surgery | $391,327.02 |
| Vikram Udani | San Diego, CA | Neurological Surgery | $390,895.97 |
| Frank Lamarca | Ann Arbor, MI | Neurological Surgery | $390,812.45 |
| Abid Qureshi | Walnut Creek, CA | Orthopaedic Surgery of The Spine | $390,690.76 |
| Mark Bilsky | New York, NY | Neurological Surgery | $389,990.37 |
| Virgilio Matheus | Orlando, FL | Neurological Surgery | $28,315.04 |
| Dominic Pelle | Grand Rapids, MI | Orthopaedic Surgery | $25,151.36 |
Prescribed Quartex?
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.