Physician profile

Ching Hai Chang

Family Medicine · Walnut Creek, CA

NPI 1174545909

$5,261.17

in general payments reported to CMS, 2019-2025

32 companies · $876 in 2025

The $876 reported for 2025 was more than what 84% of Family Medicine providers received nationally (typical 2025 total: $153).

See the full distribution for Family 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$2,849.24
Education$17.44

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
Pfizer INC. $897.76 2019-2025
Abbvie INC. $821.60 2019-2025 Ubrelvy, Qulipta
Glaxosmithkline, LLC. $672.31 2021-2025 Shingrix, Trelegy Ellipta, Arexvy
Astrazeneca Pharmaceuticals LP $445.52 2023-2025 Airsupra, Farxiga, Breztri
Lilly USA, LLC $379.41 2019-2025 Mounjaro, Zepbound, Jardiance
Boehringer Ingelheim Pharmaceuticals, INC. $298.50 2019-2025 Jardiance
Amgen INC. $283.40 2022-2025 Repatha, Otezla, Repatha
Allergan, INC. $237.80 2020-2022
Novo Nordisk INC $165.28 2022-2025 Ozempic, Rybelsus, Wegovy
Biohaven Pharmaceutical Holding Company LTD. $145.96 2022
Bausch Health US, LLC $139.56 2021-2025 Aplenzin, Wellbutrin
Astellas Pharma US INC $125.29 2024-2025 Veozah
Sumitomo Pharma America, INC. $69.91 2024-2025 Gemtesa
Salix Pharmaceuticals, A Division of Bausch Health US, LLC $69.21 2019-2025 Xifaxan, Trulance
Biohaven Pharmaceuticals, INC. $61.14 2021
Show all 32 companies
CompanyGeneral paymentsYearsTop products
Nestle Healthcare Nutrition INC. $51.64 2021
Kowa Pharmaceuticals America, INC. $43.66 2024-2025 Zoryve
E.R. Squibb & Sons, L.L.C. $34.33 2021-2025 Eliquis
Teva Pharmaceuticals USA, INC. $32.80 2019
Aimmune Therapeutics, INC. $32.57 2025 Zenpep
Dexcom, INC. $26.64 2021
Abbott Laboratories $25.50 2024 Freestyle Libre 3
Eisai INC. $25.27 2025
Vanda Pharmaceuticals INC. $24.44 2024 Hetlioz, Fanapt
Pulmonx Corporation $23.42 2019
Gilead Sciences, INC. $22.99 2025
Idorsia Pharmaceuticals US INC $21.62 2023 Quviviq
Sunovion Pharmaceuticals INC. $21.32 2021
Cequr Corporation $16.43 2023 Cequr Simplicity
Amarin Pharma, INC. $16.11 2021
Currax Pharmaceuticals LLC $15.35 2023 Contrave
Sanofi Pasteur INC. $14.43 2019

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

Ching Hai Chang

$5,261.17

in general payments reported 2019-2025

Years
2019-2025
Top company
Pfizer INC.
Context
The $876 reported for 2025 was more than what 84% of Family Medicine providers received nationally (typical 2025 total: $153).

https://glasscript.com/doctor/624295/ching-hai-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.