Physician profile
Thomas J Chang
NPI 1841315736
$2,030,399.58
in general payments reported to CMS, 2019-2025
38 companies · $23K in 2025
The $23K reported for 2025 was more than what 98% of Foot & Ankle Surgery providers received nationally (typical 2025 total: $424).
Payments by year
General and research payments by program year, as reported to CMS.
General payments by year: 2019: $464K · 2020: $422K · 2021: $471K · 2022: $326K · 2023: $206K · 2024: $117K · 2025: $23K.
What the payments were for
Nature of payment as categorized by the reporting companies: meals, consulting, travel, and so on.
Consulting Fee: $172K · Royalty Or License: $132K · Compensation For Services Other Than Consulting, Including Serving As Faculty Or As A Speaker At A Venue Other Than A Continuing Education Program: $22K · Travel and Lodging: $15K · Food and Beverage: $7,029.
View as a table
| Payment type | Amount (2023-2025) |
|---|---|
| Consulting Fee | $171,532.31 |
| Royalty Or License | $131,828.10 |
| Compensation For Services Other Than Consulting, Including Serving As Faculty Or As A Speaker At A Venue Other Than A Continuing Education Program | $21,587.50 |
| Travel and Lodging | $14,621.43 |
| Food and Beverage | $7,028.56 |
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. Research payments are listed separately below. Product names cover 2023-2025.
| Company | General payments | Years | Top products |
|---|---|---|---|
| Paragon 28, INC. | $1,171,723.98 | 2019-2025 | Portfolio, Apex 3d, Additive Orthopedics |
| Depuy Synthes Products, INC. | $598,732.83 | 2019-2024 | Hammerlock |
| Ossio INC | $90,507.88 | 2019-2024 | |
| Stryker Corporation | $46,324.55 | 2019-2024 | Hoffmann, Citrefix, Infinity Adaptis |
| Bioventus LLC | $39,600.45 | 2019-2025 | Exogen Ultrasound Bone Healing System, Exogen Ultrasound Bone Healing System |
| Crossroads Extremity Systems, LLC | $27,007.20 | 2019-2021 | |
| Depuy Synthes Sales INC. | $23,428.47 | 2019-2025 | Hammerlock, Motoband, Crosstie |
| Medical Device Business Services, INC. | $19,598.52 | 2020-2025 | Hammerlock, Motoband |
| Wright Medical Technology, INC. | $6,488.95 | 2019 | |
| Musculoskeletal Transplant Foundation INC. | $1,438.21 | 2019-2023 | |
| Evolution Surgical, INC | $1,333.96 | 2019-2024 | |
| Activortho, INC. | $550.00 | 2020 | |
| Treace Medical Concepts, INC. | $496.66 | 2020-2022 | |
| Abbott Laboratories | $362.98 | 2019-2024 | Proclaim |
| Zimmer Biomet Holdings, INC. | $280.99 | 2019-2020 |
Show all 37 companies
| Company | General payments | Years | Top products |
|---|---|---|---|
| International Life Sciences | $267.81 | 2023 | |
| Osiris Therapeutics INC. | $239.36 | 2019 | |
| Smith+Nephew, INC. | $230.74 | 2021-2024 | Renasys |
| Nevro Corp. | $200.78 | 2024 | Senza |
| Alafair Biosciences, INC. | $177.25 | 2024 | Versawrap |
| Integra Lifesciences Corporation | $169.38 | 2019-2020 | |
| Mimedx Group, INC. | $169.21 | 2024-2025 | |
| Tactile Systems Technology INC | $156.68 | 2025 | Nimbl, Flexitouch Plus |
| Encore Medical, Lp | $144.27 | 2022 | |
| Derma Sciences, INC. | $118.24 | 2019 | |
| Carbofix Orthopedics INC | $110.64 | 2024 | |
| Melinta Therapeutics, LLC | $107.82 | 2019 | |
| Lifenet Health | $101.16 | 2023 | |
| Trimed, INC. | $84.10 | 2024 | |
| Axogen | $69.24 | 2020 | |
| Convatec INC. | $30.50 | 2024 | |
| Vertex Pharmaceuticals Incorporated | $29.91 | 2025 | |
| Orthofix Medical, INC. | $29.21 | 2025 | Physio-Stim |
| Organogenesis INC. | $24.36 | 2021 | |
| Curonix LLC | $23.64 | 2023 | Pns Freedom-4a Permanent Neurostimulator Receiver Kit Channel A |
| Ethicon US, LLC | $20.43 | 2022 | |
| Electronic Waveform Lab, INC. | $19.22 | 2024 |
1 company reported research payments only; those appear in the research section below.
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.
Research and ownership
$9,258.25 in research payments reported 2019-2025. Research payments are often institution-directed and tied to clinical trials: they are reported under a clinician's name but frequently go to a hospital or research organization, and usually reflect participation in medical research.
$13,702,222.56 in ownership or investment interests, as reported to CMS. These are holdings a clinician or an immediate family member has in a company, not payments received.
If you want to bring it up
Most clinicians are glad to talk about this. A respectful way in:
- "I saw Thomas 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.