Physician profile

Maggie S Chau

Internal Medicine · San Jose, CA

NPI 1568576445

$15,205.29

in general payments reported to CMS, 2019-2025

37 companies · $2,123 in 2025

The $2,123 reported for 2025 was more than what 94% of Internal Medicine providers received nationally (typical 2025 total: $156).

See the full distribution for Internal Medicine

Payments by year

General 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)
Food and Beverage$6,833.95
Education$35.01

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.

CompanyGeneral paymentsYearsTop products
Astrazeneca Pharmaceuticals LP $2,443.02 2019-2025 Breztri, Farxiga, Airsupra
Novo Nordisk INC $2,306.06 2019-2025 Ozempic, Rybelsus, Wegovy
Glaxosmithkline, LLC. $1,098.18 2021-2025 Arexvy, Trelegy Ellipta
Amgen INC. $1,085.27 2020-2025 Otezla, Repatha, Prolia
Bayer Healthcare Pharmaceuticals INC. $1,039.81 2021-2025
Lilly USA, LLC $778.88 2019-2025 Mounjaro, Zepbound, Jardiance
Paratek Pharmaceuticals, INC. $730.16 2021-2023 Nuzyra
Amarin Pharma, INC. $712.98 2019-2022
E.R. Squibb & Sons, L.L.C. $602.18 2020-2024 Eliquis, Camzyos
Janssen Pharmaceuticals, INC $511.69 2019-2022
Boehringer Ingelheim Pharmaceuticals, INC. $425.75 2019-2024 Jardiance
Pfizer INC. $376.94 2019-2025
Gilead Sciences, INC. $359.42 2019-2022
Merck Sharp & Dohme LLC $270.44 2019-2022
Sanofi-Aventis U.S. LLC $265.49 2019-2025
Show all 37 companies
CompanyGeneral paymentsYearsTop products
Salix Pharmaceuticals, A Division of Bausch Health US, LLC $231.86 2022-2025 Xifaxan, Trulance
Eisai INC. $184.41 2024-2025
Boston Scientific Corporation $177.64 2022
Abbvie INC. $152.79 2019-2025
Biohaven Pharmaceuticals, INC. $150.93 2021
Janssen Scientific Affairs, LLC $146.12 2023 Xarelto
Ibsa Pharma INC. $144.15 2023 Tirosint, Tirosint, Licart
Agios Pharmaceuticals, INC. $136.39 2025 Pyrukynd
Edwards Lifesciences Corporation $135.64 2022
Sunovion Pharmaceuticals INC. $133.21 2019
Celgene Corporation $124.83 2019
Novartis Pharmaceuticals Corporation $76.61 2020-2024
Xeris Pharmaceuticals, INC. $65.14 2023-2024 Gvoke Hypopen
Abbott Laboratories $64.40 2021-2023 Freestyle Libre 3
Esperion Therapeutics, INC. $62.99 2020-2025 Nexletol
Kowa Pharmaceuticals America, INC. $62.93 2025 Zoryve
Ascend Therapeutics US, LLC $37.11 2021
Kiniksa Pharmaceuticals International, Plc $28.01 2024 Arcalyst
Exact Sciences Corporation $26.32 2025 Cologuard Collection Kit
Bausch Health US, LLC $21.00 2021
Sumitomo Pharma America, INC. $20.20 2025 Gemtesa
Medtronic Vascular, INC. $16.34 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.

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Payment summary

Maggie S Chau

$15,205.29

in general payments reported 2019-2025

Years
2019-2025
Top company
Astrazeneca Pharmaceuticals LP
Context
The $2,123 reported for 2025 was more than what 94% of Internal Medicine providers received nationally (typical 2025 total: $156).

https://glasscript.com/doctor/71040/maggie-s-chau

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.