Physician profile

Richard Chang

Interventional Cardiology · Walnut Creek, CA

NPI 1275669954

$132,347.11

in general payments reported to CMS, 2019-2025

67 companies · $11K in 2025

The $11K reported for 2025 was more than what 89% of Interventional Cardiology providers received nationally (typical 2025 total: $1,092).

See the full distribution for Interventional Cardiology

Payments by year

General and research payments by program year, as reported to CMS.

What the payments were for

Nature of payment as categorized by the reporting companies: meals, consulting, travel, and so on.

View as a table
Payment typeAmount (2023-2025)
Compensation For Services Other Than Consulting, Including Serving As Faculty Or As A Speaker At A Venue Other Than A Continuing Education Program$24,268.75
Food and Beverage$15,865.48
Travel and Lodging$2,562.67
Education$10.85

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.

CompanyGeneral paymentsYearsTop products
Boehringer Ingelheim Pharmaceuticals, INC. $67,072.66 2019-2025 Jardiance
Lilly USA, LLC $22,944.93 2020-2025 Jardiance, Mounjaro, Zepbound
Biotronik INC. $11,154.97 2019-2025 Selectra, Biomonitor, Amvia Edge
Abbott Laboratories $6,370.53 2019-2025 Amplatzer Amulet, Cardiomems, Amplatzer
Abiomed $2,570.69 2019-2025 Impella
Shockwave Medical, INC $2,254.36 2019-2025 Shockwave Ivl System With The Shockwave C2 Coronary Ivl Catheter
Edwards Lifesciences Corporation $2,199.41 2019-2025 Inspiris Resilia Aortic Valve, Mitris Resilia Mitral Valve, Sapien 3 Ultra Resilia
Impulse Dynamics (USA) INC. $1,526.02 2022-2025 Optimizer, Optimizer
Zoll Services LLC (A/K/A Zoll Lifecor Corp) $1,401.02 2019-2025 Lifevest
Novo Nordisk INC $1,398.82 2021-2025 Ozempic, Rybelsus, Wegovy
Janssen Pharmaceuticals, INC $1,330.90 2019-2024 Xarelto
Boston Scientific Corporation $838.74 2019-2025 Bodyguardian, Watchman Flx, Opticross
Actelion Pharmaceuticals US, INC. $792.01 2022-2025 Uptravi, Opsumit
Amgen INC. $743.37 2019-2025 Repatha, Repatha
Astrazeneca Pharmaceuticals LP $713.89 2019-2025 Wainua, Farxiga
Show all 66 companies
CompanyGeneral paymentsYearsTop products
E.R. Squibb & Sons, L.L.C. $682.39 2019-2025 Camzyos, Eliquis
Novartis Pharmaceuticals Corporation $677.63 2019-2025
Medtronic Vascular, INC. $635.69 2019
Altathera Pharmaceuticals LLC $600.00 2022
Pfizer INC. $530.39 2019-2025
Terumo Medical Corporation $516.79 2021-2022
Amarin Pharma, INC. $505.77 2019-2022
Siemens Medical Solutions USA, INC. $486.79 2020-2024 Artis Icono Biplane
Merck Sharp & Dohme LLC $468.24 2021-2025 Verquvo, Winrevair
Esperion Therapeutics, INC. $386.68 2020-2025 Nexletol
Philips North America LLC $364.20 2019-2025 (5044) Mcot, Mcot, Igt Devices Systems Undivided
Sanofi-Aventis U.S. LLC $310.44 2019-2024
Atricure, INC. $298.02 2021-2025 Atriclip Laa Exclusion System, Epi-Sense Guided Coagulation System With Visitrax
Cathworks, INC. $219.98 2019-2022
Cvrx, INC. $180.82 2021-2025 Barostim Neo System
Medtronic, INC. $162.87 2021-2024 Ffrangio
Inari Medical, INC. $155.35 2023-2024 Ct Thrombectomy System Kit, Flowtriever Catheter, S
Kestra Medical Technology Services, INC. $144.98 2022-2024 Assure Wcd
Bayer Healthcare Pharmaceuticals INC. $120.96 2021-2025
Heartflow, INC. $117.49 2019-2025 Ffrct
Alnylam Pharmaceuticals INC. $95.70 2022-2025 Amvuttra
Lexicon Pharmaceuticals, INC. $95.00 2024
Elutia, INC. $91.51 2019
Cordis US Corp. $85.84 2022
Cardiva Medical, INC. $77.04 2025 Cardiva Vascade Mvp Vvcs 6-12f
Intuitive Surgical, INC. $72.00 2024
Irhythm Technologies, INC. $71.47 2019-2024 Zio Xt Patch
Kiniksa Pharmaceuticals, LTD. $70.94 2023 Arcalyst
Kiniksa Pharmaceuticals International, Plc $67.84 2024 Arcalyst
Corindus INC. $64.98 2019
Bardy Diagnostics, INC. $64.58 2021
Medela LLC $59.87 2020
Teleflex LLC $55.86 2022
Lundbeck LLC $51.18 2019-2020
Baxter Healthcare $50.48 2020-2023 Hillrom - Cardiac Ambulatory Monitor
Braemar Manufacturing, LLC $44.55 2019
Preventice Services, LLC $42.34 2021
Regeneron Healthcare Solutions, INC. $40.48 2019-2021
Angiodynamics, INC. $36.27 2021
Medicure Pharma INC. $30.69 2021
Daiichi Sankyo INC. $24.30 2023 Injectafer
Penumbra, INC. $22.74 2021
Reflow Medical INC $21.02 2025
Kowa Pharmaceuticals America, INC. $19.82 2019
Agepha Pharma Fz LLC $18.44 2025 Lodoco
Scpharmaceuticals INC. $17.85 2025
Bard Peripheral Vascular, INC. $17.78 2019
Inspire Medical Systems, INC. $17.72 2023 Inspire
Octapharma USA, INC. $15.52 2025 Fibryga
Livanova USA, INC. $13.59 2021
Davol INC. $11.91 2020

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

$144,950.00 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.

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Payment summary

Richard Chang

$132,347.11

in general payments reported 2019-2025

Years
2019-2025
Top company
Butterfly Network, INC.
Context
The $11K reported for 2025 was more than what 89% of Interventional Cardiology providers received nationally (typical 2025 total: $1,092).

https://glasscript.com/doctor/193668/richard-chang

Source: CMS Open Payments, program years 2019-2025. Payments are legal and often routine.

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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.