Prepare for your visit
Alvin Chang
Pomona, CA · NPI 1295315661
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
$158.28
in general payments reported to CMS, 2019-2025 · $117 in 2025
The $117 reported for 2025 was less than what a typical provider received nationally.
Who reported paying
General payments only, top 4 by amount.
- Abbvie INC. $51.51
- Conmed Corporation $41.67
- Teva Pharmaceuticals USA, INC. $36.80
- Baxter Healthcare $28.30
Drugs and devices associated with these payments
Airseal Uzedy Botox Seprafilm Ubrelvy
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 Alvin Chang 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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