Ustar II
Payments companies reported to CMS as associated with Ustar II. "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 Ustar II, 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 Ustar II
These are the largest totals companies reported as associated with Ustar II. 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) |
|---|---|---|---|
| Ronald Hillock | Las Vegas, NV | Orthopaedic Surgery | $30,581.48 |
| Daniel Allison | Los Angeles, CA | Orthopaedic Surgery | $23,542.48 |
| Michael Neel | Memphis, TN | Sports Medicine (Orthopaedic Surgery) | $19,526.41 |
| Earl Brien | Los Angeles, CA | Orthopaedic Surgery | $14,276.12 |
| Judd Cummings | Phoenix, AZ | Orthopaedic Surgery | $11,905.74 |
| Dipak Ramkumar | Phoenix, AZ | Surgical Oncology | $5,658.27 |
| Michael Langworthy | North Dartmouth, MA | Orthopaedic Surgery | $4,968.85 |
| Ronald Huang | Bronx, NY | Adult Reconstructive Orthopaedic Surgery | $3,559.48 |
| Mark Tuttle | Denver, CO | Adult Reconstructive Orthopaedic Surgery | $3,476.25 |
| Alexander Christ | Santa Monica, CA | Surgical Oncology | $3,084.38 |
Prescribed Ustar II?
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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.