Prepare for your visit
William B Rivera
Surgery · Apple Valley, CA · NPI 1447498985
One page to bring to your appointment. Every figure is as reported to CMS by drug and device makers. Payments are legal and often routine; this is context for a conversation, not a verdict.
What was reported
$441.61
in general payments reported to CMS, 2019-2025 · $239 in 2025
The $239 reported for 2025 was less than what a typical Surgery provider received nationally (typical 2025 total: $281).
Who reported paying
General payments only, top 6 by amount.
- Madrigal Pharmaceuticals $146.83
- Elucent Medical $91.97
- Intuitive Surgical, INC. $69.85
- Acacia Pharma INC $53.87
- Allergan, INC. $46.99
- Avanos Medical $18.09
Drugs and devices associated with these payments
Rezdiffra
Association is not allocation: a product listed here means a payment was associated with it, not that money was paid to promote it. Detail covers 2023-2025.
Questions you might ask
- I saw William Rivera listed in the CMS Open Payments database. Can you tell me about your work with those companies?
- Is there a generic or alternative to this medication, and would it work as well for me?
- What made you choose this particular treatment for my situation?
These are normal questions. A good clinician will welcome them.
Notes
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.
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