GlassScriptPhysician profile
John W Chang
NPI 1720057052
$13,679.51
in general payments reported to CMS, 2019-2025
9 companies · $3,609 in 2025
The $3,609 reported for 2025 was more than what 87% of Surgery providers received nationally (typical 2025 total: $281).
Payments by year
General payments by program year, as reported to CMS.
General payments by year: 2022: $17.35 · 2023: $245 · 2024: $9,808 · 2025: $3,609.
What the payments were for
Nature of payment as categorized by the reporting companies: meals, consulting, travel, and so on.
Long Term Medical Supply Or Device Loan: $13K · Food and Beverage: $483.
View as a table
| Payment type | Amount (2023-2025) |
|---|---|
| Long Term Medical Supply Or Device Loan | $13,179.57 |
| Food and Beverage | $482.59 |
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 |
|---|---|---|---|
| Bard Peripheral Vascular, INC. | $9,916.97 | 2023-2024 | Venclose Maven Catheter |
| Angiodynamics, INC. | $3,513.88 | 2024-2025 | Venacure 1470 Pro, Venacure 1470 Pro |
| Tactile Systems Technology INC | $52.87 | 2023-2025 | Flexitouch Plus, Entre Plus, Nimbl |
| Cashflow Solutions, LLC | $39.42 | 2025 | Pcd-51 731a (US) - White, Pcd-52 737a (US) White, Lympha Press Optimal Plus(US) Bt |
| Medtronic, INC. | $39.22 | 2024-2025 | Closurefast, Venaseal |
| Dilon Technologies, INC. | $37.79 | 2024 | Hemoblast Bellows |
| Galderma Laboratories, L.P. | $31.91 | 2025 | Dysport |
| Abbvie INC. | $30.10 | 2023 | Natrelle Saline-Filled Breast Implants |
| Currax Pharmaceuticals LLC | $17.35 | 2022 |
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 John 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.