Xtend
Payments companies reported to CMS as associated with Xtend. "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 Xtend, 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 Xtend
These are the largest totals companies reported as associated with Xtend. 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) |
|---|---|---|---|
| Terence Chen | Walnut Creek, CA | Neurological Surgery | $260.00 |
| Austin Roebke | Lima, OH | Orthopaedic Surgery of The Spine | $132.17 |
| Ronald Hammers | Parker, CO | Neurological Surgery | $122.92 |
| Dominic Pelle | Grand Rapids, MI | Orthopaedic Surgery | $108.56 |
| Enyinna Nwachuku | Hershey, PA | Neurological Surgery | $101.12 |
| Miranda Hayworth | Florence, SC | Neurological Surgery | $100.94 |
| Aren Paiva | Round Rock, TX | Surgical | $69.15 |
| Mark Santman | Round Rock, TX | Orthopaedic Surgery of The Spine | $69.15 |
| Joanne Nguyen | Round Rock, TX | Physician Assistant | $69.14 |
| Robert Berkowitz | Chester, PA | Obstetrics & Gynecology | $67.93 |
Prescribed Xtend?
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.