GlassScriptPhysician profile
Yi Catherine Chang
NPI 1033301452
$463.27
in general payments reported to CMS, 2019-2025
15 companies · $134 in 2025
The $134 reported for 2025 was more than what a typical Pediatrics provider received nationally (typical 2025 total: $96.93).
Payments by year
General payments by program year, as reported to CMS.
General payments by year: 2019: $82.40 · 2020: $18.81 · 2021: $77.10 · 2022: $30.61 · 2023: $63.50 · 2024: $56.38 · 2025: $134.
What the payments were for
Nature of payment as categorized by the reporting companies: meals, consulting, travel, and so on.
Food and Beverage: $254.
View as a table
| Payment type | Amount (2023-2025) |
|---|---|
| Food and Beverage | $254.35 |
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 |
|---|---|---|---|
| Phadia US INC. | $114.67 | 2023-2025 | Immunocap |
| Cranial Technologies, INC | $47.10 | 2024-2025 | Doc Band |
| Kaleo, INC. | $44.42 | 2019-2022 | |
| Pfizer INC. | $38.20 | 2021-2022 | |
| Collegium Pharmaceutical, INC. | $34.40 | 2025 | Jornay Pm |
| Ultragenyx Pharmaceutical INC. | $27.55 | 2021-2023 | |
| Takeda Pharmaceuticals U.S.A., INC. | $26.31 | 2021 | |
| Ironshore Pharmaceuticals INC. | $24.60 | 2019 | |
| Quidel Corporation | $18.81 | 2020 | |
| Corium, LLC | $18.04 | 2023 | Azstarys |
| Tris Pharma INC | $15.98 | 2019 | |
| Verrica Pharmaceuticals INC. | $14.67 | 2025 | Ycanth |
| Merck Sharp & Dohme LLC | $13.99 | 2019 | |
| Vertical Pharmaceuticals, LLC | $13.33 | 2019 | |
| Organon LLC | $11.20 | 2025 | Nexplanon |
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 Yi 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.
Share this page
Keep an eye on this page
Get an email when the next June refresh changes this page. No account needed.
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.