GlassScriptPrepare for your visit
Sam S Chang
Urology · Nashville, TN · NPI 1922107358
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
$197,844.89
in general payments reported to CMS, 2019-2025 · $130K in 2025
The $130K reported for 2025 was more than what 99% of Urology providers received nationally (typical 2025 total: $631).
Who reported paying
General payments only, top 6 by amount.
- Urogen Pharma, INC. $107,922.94
- Janssen Biotech, INC. $18,370.28
- Merck Sharp & Dohme LLC $16,269.47
- Janssen Research & Development, LLC $9,367.67
- Progenics Pharmaceuticals, INC. $8,496.32
- Immunitybio, INC. $8,034.49
Drugs and devices associated with these payments
Zusduri Carvykti Rybrevant Pylarify Anktiva Padcev Adstiladrin Xtandi Bludigo Cysview Erleada Jelmyto
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 Sam 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.
GlassScript is independent and not affiliated with CMS or any government agency. glasscript.com/doctor/178453/sam-s-chang