Device United Knee System

U2 Press-Fit and Psi

Payments companies reported to CMS as associated with U2 Press-Fit and Psi. "Associated with" is CMS's wording: it links a payment to a product without saying the money was spent on it.

$1,666associated payments (2023-2025)
9clinicians with associated payments
1company reporting

By year

2023 $1,666

Payments reported as associated with U2 Press-Fit and Psi, per program year, as reported to CMS.

Who makes it

Specialties most often involved

Orthopaedic Surgery $1,262
Adult Reconstructive Orthopaedic Surgery $233
Surgical Oncology $171

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

Clinicians most associated with U2 Press-Fit and Psi

These are the largest totals companies reported as associated with U2 Press-Fit and Psi. 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)
Ronald Hillock Las Vegas, NV Orthopaedic Surgery $232.64
Mark Tuttle Denver, CO Adult Reconstructive Orthopaedic Surgery $232.64
Lindsey Rolston New Castle, IN Orthopaedic Surgery $223.23
Michael Langworthy North Dartmouth, MA Orthopaedic Surgery $171.41
Dipak Ramkumar Phoenix, AZ Surgical Oncology $171.41
Matthew Barber Mobile, AL Orthopaedic Surgery $171.41
Henry Clarke Phoenix, AZ Orthopaedic Surgery $171.41
Ira Kirschenbaum Bronx, NY Orthopaedic Surgery $171.41
Ronald Delanois Baltimore, MD Orthopaedic Surgery $120.48

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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.