Device Orthopedic Knee and Oncology Implants

U-Star II, U2

Payments companies reported to CMS as associated with U-Star II, U2. "Associated with" is CMS's wording: it links a payment to a product without saying the money was spent on it.

$11Kassociated payments (2023-2025)
2clinicians with associated payments
1company reporting

By year

2025 $11K

Payments reported as associated with U-Star II, U2, per program year, as reported to CMS.

Who makes it

Specialties most often involved

Neuropathology $10K
Orthopaedic Surgery $184

Where the associated payments went, by the receiving clinician's specialty.

Clinicians most associated with U-Star II, U2

These are the largest totals companies reported as associated with U-Star II, U2. They are typically speaking or consulting arrangements, which companies must report by law; appearing here is not evidence of anything improper.

ClinicianLocationSpecialtyAssociated payments (2023-2025)
Massimo D Apuzzo Duarte, CA Neuropathology $10,480.00
Ronald Hillock Las Vegas, NV Orthopaedic Surgery $184.05

Prescribed U-Star II, U2?

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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.