Balance Knee Revision System
Payments companies reported to CMS as associated with Balance Knee Revision System. "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 Balance Knee Revision System, 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 Balance Knee Revision System
These are the largest totals companies reported as associated with Balance Knee Revision System. 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) |
|---|---|---|---|
| Nathan Momberger | Murray, UT | Adult Reconstructive Orthopaedic Surgery | $1,149,595.89 |
| Thomas Calton | Washington Terrace, UT | Orthopaedic Surgery | $1,005,350.90 |
| Joshua Hickman | Bountiful, UT | Orthopaedic Surgery | $358,223.48 |
| William Long | New York, NY | Adult Reconstructive Orthopaedic Surgery | $48,001.79 |
| Michael Hoffman | Brigham City, UT | Orthopaedic Surgery | $47,802.81 |
| Cass Nakasone | Honolulu, HI | Orthopaedic Surgery | $46,621.95 |
| Christopher Grayson | Temple Terrace, FL | Orthopaedic Surgery | $2,414.33 |
| Matthew Barber | Mobile, AL | Orthopaedic Surgery | $1,625.00 |
| Roberto Calderon | Phoenix, AZ | Orthopaedic Surgery | $1,281.70 |
| Brian Chalmers | New York, NY | Orthopaedic Surgery | $1,000.00 |
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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.