GlassScriptPhysician profile
David T Chang
NPI 1487622718
$1,199.70
in general payments reported to CMS, 2019-2025
21 companies · $37.64 in 2025
The $37.64 reported for 2025 was less than what a typical Urology provider received nationally (typical 2025 total: $631).
Payments by year
General payments by program year, as reported to CMS.
General payments by year: 2019: $487 · 2020: $57.66 · 2021: $42.55 · 2022: $255 · 2023: $178 · 2024: $142 · 2025: $37.64.
What the payments were for
Nature of payment as categorized by the reporting companies: meals, consulting, travel, and so on.
Food and Beverage: $357.
View as a table
| Payment type | Amount (2023-2025) |
|---|---|
| Food and Beverage | $357.03 |
Payment-type detail covers 2023-2025; earlier years are included in totals but not broken out here.
Who reported paying
General payments only, as reported to CMS. Product names cover 2023-2025.
| Company | General payments | Years | Top products |
|---|---|---|---|
| Astellas Pharma US INC | $274.45 | 2019-2024 | Xtandi, Myrbetriq |
| Sumitomo Pharma America, INC. | $160.13 | 2023-2024 | Gemtesa, Orgovyx |
| Janssen Biotech, INC. | $152.76 | 2019-2022 | |
| E.R. Squibb & Sons, L.L.C. | $108.47 | 2019 | |
| Boston Scientific Corporation | $89.71 | 2022-2024 | Ams 700 |
| Dendreon Pharmaceuticals LLC | $59.78 | 2019-2020 | |
| Procept Biorobotics Corporation | $51.58 | 2019-2024 | Aquabeam System |
| Ferring Pharmaceuticals INC. | $40.15 | 2019 | |
| Cumberland Pharmaceuticals, INC. | $32.57 | 2023-2024 | Caldolor |
| Antares Pharma, INC. | $26.72 | 2019 | |
| Endo Pharmaceuticals INC. | $26.59 | 2020-2024 | Xiaflex |
| Coloplast Corp | $24.90 | 2019 | |
| 180 Medical, INC. | $24.50 | 2022 | |
| Axogen | $19.00 | 2025 | |
| Intuitive Surgical, INC. | $18.64 | 2025 |
Show all 21 companies
| Company | General payments | Years | Top products |
|---|---|---|---|
| Bayer Healthcare Pharmaceuticals INC. | $18.02 | 2022 | |
| Medtronic, INC. | $17.57 | 2022 | |
| Myovant Sciences INC. | $15.52 | 2021 | |
| Metuchen Pharmaceuticals | $14.33 | 2020 | |
| Teleflex LLC | $12.86 | 2021 | |
| Pfizer INC. | $11.45 | 2019 |
Drugs and devices associated with these payments
CMS records which products a payment was associated with, not how the money was allocated. Association is not allocation: one payment can be associated with several products, and a product listing does not mean the payment was made because of that product. Product detail covers 2023-2025.
If you want to bring it up
Most clinicians are glad to talk about this. A respectful way in:
- "I saw David 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.
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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.