Physician profile
Daniel Chang
NPI 1659790970
$1,891.26
in general payments reported to CMS, 2019-2025
22 companies · $325 in 2025
The $325 reported for 2025 was less than what a typical Pain Medicine (Anesthesiology) provider received nationally (typical 2025 total: $458).
Payments by year
General payments by program year, as reported to CMS.
General payments by year: 2019: $142 · 2020: $664 · 2021: $213 · 2022: $399 · 2023: $111 · 2024: $35.44 · 2025: $325.
What the payments were for
Nature of payment as categorized by the reporting companies: meals, consulting, travel, and so on.
Food and Beverage: $472.
View as a table
| Payment type | Amount (2023-2025) |
|---|---|
| Food and Beverage | $471.79 |
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 |
|---|---|---|---|
| Nevro Corp. | $321.81 | 2019-2020 | |
| Merck Sharp & Dohme LLC | $316.69 | 2021-2025 | Bridion |
| Boston Scientific Corporation | $248.00 | 2021-2022 | |
| Medtronic, INC. | $141.45 | 2022 | |
| Scilex Pharmaceuticals INC. | $138.87 | 2020 | |
| Collegium Pharmaceutical, INC. | $109.46 | 2020-2021 | |
| Janssen Biotech, INC. | $104.44 | 2025 | Tremfya |
| Redhill Biopharma INC. | $77.31 | 2020 | |
| Genzyme Corporation | $74.78 | 2025 | |
| Biodelivery Sciences International, INC. | $63.32 | 2020-2021 | |
| Takeda Pharmaceuticals U.S.A., INC. | $58.35 | 2025 | Entyvio |
| Assertio Therapeutics, INC. | $38.74 | 2020 | |
| Arbor Pharmaceuticals, INC. | $33.85 | 2020 | |
| Genentech USA, INC. | $29.76 | 2025 | Tnkase |
| Conmed Corporation | $23.01 | 2025 | Airseal |
Show all 22 companies
| Company | General payments | Years | Top products |
|---|---|---|---|
| Grt US Holding, INC. | $22.79 | 2020 | |
| Ardelyx, INC. | $18.20 | 2025 | Ibsrela |
| Salix Pharmaceuticals, A Division of Bausch Health US, LLC | $17.12 | 2020 | |
| Idorsia Pharmaceuticals US INC | $14.75 | 2024 | Quviviq |
| Horizon Therapeutics Plc | $13.08 | 2020 | |
| Zyla Life Sciences, INC. | $13.05 | 2020 | |
| Medtronic USA, INC. | $12.43 | 2020 |
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 Daniel 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.