Physician profile

Christopher Duong Bui

Gastroenterology (Internal Medicine) · Santa Ana, CA

NPI 1811061468

$145,415.21

in general payments reported to CMS, 2019-2025

44 companies · $14K in 2025

The $14K reported for 2025 was more than what 94% of Gastroenterology (Internal Medicine) providers received nationally (typical 2025 total: $636).

See the full distribution for Gastroenterology (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)
Compensation For Services Other Than Consulting, Including Serving As Faculty Or As A Speaker At A Venue Other Than A Continuing Education Program$35,930.00
Food and Beverage$12,438.53
Travel and Lodging$443.71
Education$8.45

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
Gilead Sciences, INC. $58,755.48 2019-2025 Vemlidy, Epclusa, Livdelzi
Abbvie INC. $58,550.01 2019-2025 Creon, Linzess, Viberzi
Salix Pharmaceuticals, A Division of Bausch Health US, LLC $13,348.79 2019-2025 Xifaxan, Trulance, Relistor
Nestle Healthcare Nutrition INC. $1,958.78 2020-2023
Lilly USA, LLC $1,641.78 2019-2025 Taltz, Omvoh, Olumiant
Aimmune Therapeutics, INC. $1,436.23 2024-2025 Zenpep
Csl Behring $943.36 2019-2023 Hizentra
Amgen INC. $888.78 2019-2025 Repatha, Evenity
Ardelyx, INC. $861.38 2022-2025 Ibsrela
Allergan, INC. $571.78 2019-2020
Intercept Pharmaceuticals, INC. $518.83 2019-2023 Ocaliva
Madrigal Pharmaceuticals $441.64 2024-2025 Rezdiffra, Resmetirom
Phathom Pharmaceuticals, INC. $403.23 2024-2025 Voquezna
Janssen Biotech, INC. $401.35 2023-2025 Stelara, Tremfya
Stryker Corporation $379.09 2022-2025 Pangea
Show all 44 companies
CompanyGeneral paymentsYearsTop products
Eisai INC. $378.63 2019-2020
Redhill Biopharma INC. $301.89 2022-2025 Talicia, Aemcolo, Movantik
Ferring Pharmaceuticals INC. $283.86 2023 Rebyota
Janssen Scientific Affairs, LLC $253.30 2022
Novo Nordisk INC $249.66 2023-2025 Wegovy, Novoseven
Leo Pharma INC. $246.62 2023-2025 Adbry
E.R. Squibb & Sons, L.L.C. $238.61 2021-2023 Zeposia
Ironwood Pharmaceuticals, INC $232.33 2022-2024 Linzess
Vivus LLC $229.18 2021-2025 Qsymia, Pancreaze
Takeda Pharmaceuticals U.S.A., INC. $203.22 2019-2021
Covidien LP $198.32 2019
Qol Medical, LLC $183.56 2023-2025 Sucraid, Sucraid
Medtronic, INC. $142.84 2025 Barrx
Exact Sciences Corporation $137.85 2023 Cologuard Collection Kit
Celgene Corporation $133.27 2019
Novartis Pharmaceuticals Corporation $120.81 2019
Genzyme Corporation $120.39 2022
Endogastric Solutions, INC $116.31 2019
Apollo Endosurgery US INC $111.07 2023 Overstitch Endoscopic Suturing System
Braintree Laboratories, INC. $101.39 2022-2024 Suflave, Sutab
Amarin Pharma, INC. $100.00 2019
Celltrion USA INC. $94.88 2025 Zymfentra
Ipsen Biopharmaceuticals, INC $36.68 2025 Iqirvo
Pfizer INC. $24.24 2025
Dova Pharmaceuticals $18.46 2019
Merck Sharp & Dohme LLC $17.57 2019
Shire North American Group INC $16.80 2019
Echosens North America, INC. $11.50 2019
Astrazeneca Pharmaceuticals LP $11.46 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

Christopher Duong Bui

$145,415.21

in general payments reported 2019-2025

Years
2019-2025
Top company
Gilead Sciences, INC.
Context
The $14K reported for 2025 was more than what 94% of Gastroenterology (Internal Medicine) providers received nationally (typical 2025 total: $636).

https://glasscript.com/doctor/218474/christopher-duong-bui

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.