Physician profile

Duke A Phan

Neurology (Psychiatry & Neurology) · Fountain Valley, CA

NPI 1437352630

$2,798.71

in general payments reported to CMS, 2019-2025

18 companies · $744 in 2025

The $744 reported for 2025 was more than what a typical Neurology (Psychiatry & Neurology) provider received nationally (typical 2025 total: $454).

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$1,361.59

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
Neurocrine Biosciences, INC. $533.11 2022-2025 Ingrezza
Astrazeneca Pharmaceuticals LP $371.90 2021-2025 Tezspire
Sk Life Science, INC. $248.60 2022-2023 Xcopri
Amgen INC. $241.63 2020-2021
Abbvie INC. $181.67 2022-2023
Eisai INC. $146.24 2024-2025
Novartis Pharmaceuticals Corporation $124.24 2022
Regeneron Healthcare Solutions, INC. $123.28 2022
Alexion Pharmaceuticals, INC. $120.19 2025 Ultomiris
Pfizer INC. $120.08 2025
Argenx US, INC. $114.98 2025 Vyvgart
Lilly USA, LLC $111.92 2025 Kisunla
Acadia Pharmaceuticals INC $108.74 2022
Emd Serono, INC. $99.34 2019
Genentech, INC. $78.81 2022
Show all 18 companies
CompanyGeneral paymentsYearsTop products
Biogen, INC. $24.90 2020
Allergan, INC. $24.73 2020
Merck Sharp & Dohme LLC $24.35 2024 Bridion

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

Duke A Phan

$2,798.71

in general payments reported 2019-2025

Years
2019-2025
Top company
Neurocrine Biosciences, INC.
Context
The $744 reported for 2025 was more than what a typical Neurology (Psychiatry & Neurology) provider received nationally (typical 2025 total: $454).

https://glasscript.com/doctor/110922/duke-a-phan

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.