Physician profile

Ronald E Mason

Gastroenterology (Internal Medicine) · Kirkland, WA

NPI 1124088430

$3,378.31

in general payments reported to CMS, 2019-2025

21 companies · $842 in 2025

The $842 reported for 2025 was more than what a typical Gastroenterology (Internal Medicine) provider received nationally (typical 2025 total: $636).

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$2,245.96
Education$29.60

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
Celgene Corporation $566.92 2021-2024 Zeposia
Janssen Biotech, INC. $546.56 2019-2025 Tremfya, Simponi, Simponi Aria
Abbvie INC. $426.95 2019-2025
Salix Pharmaceuticals, A Division of Bausch Health US, LLC $307.94 2021-2025 Xifaxan, Plenvu, Trulance
Regeneron Healthcare Solutions, INC. $265.36 2023-2025 Dupixent
Takeda Pharmaceuticals U.S.A., INC. $263.13 2022-2025 Entyvio, Eohilia
Pfizer INC. $209.28 2022-2025
Aimmune Therapeutics, INC. $162.93 2024-2025 Zenpep, Vowst
E.R. Squibb & Sons, L.L.C. $85.64 2021-2023 Zeposia
Gilead Sciences, INC. $84.65 2022-2023
Nestle Healthcare Nutrition INC. $81.81 2021-2023
Genzyme Corporation $70.89 2024-2025
Celltrion USA INC. $58.50 2024 Zymfentra, Vegzelma
Madrigal Pharmaceuticals $51.30 2025 Rezdiffra
Lilly USA, LLC $48.22 2024 Omvoh
Show all 21 companies
CompanyGeneral paymentsYearsTop products
Braintree Laboratories, INC. $33.03 2023 Suflave
Phathom Pharmaceuticals, INC. $30.75 2025 Voquezna
Organon LLC $25.89 2024
Novo Nordisk INC $22.95 2025 Wegovy
Ferring Pharmaceuticals INC. $18.85 2025 Rebyota
Alnylam Pharmaceuticals INC. $16.76 2025 Oxlumo

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

Ronald E Mason

$3,378.31

in general payments reported 2019-2025

Years
2019-2025
Top company
Celgene Corporation
Context
The $842 reported for 2025 was more than what a typical Gastroenterology (Internal Medicine) provider received nationally (typical 2025 total: $636).

https://glasscript.com/doctor/187482/ronald-e-mason

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.