Physician profile

Kevin T Marks

Gastroenterology (Internal Medicine) · Katy, TX

NPI 1679585228

$8,173.32

in general payments reported to CMS, 2019-2025

36 companies · $2,279 in 2025

The $2,279 reported for 2025 was more than what 82% of Gastroenterology (Internal Medicine) providers 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$4,295.50
Consulting Fee$475.00
Education$68.64

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
Abbvie INC. $2,440.99 2019-2025
Takeda Pharmaceuticals U.S.A., INC. $916.60 2019-2025 Entyvio
Janssen Biotech, INC. $881.04 2019-2025 Stelara, Tremfya, Remicade
Salix Pharmaceuticals, A Division of Bausch Health US, LLC $781.85 2019-2025 Trulance, Xifaxan
Pfizer INC. $428.52 2021-2025
Allergan, INC. $282.59 2019-2020
Braintree Laboratories, INC. $259.65 2019-2022
Celltrion USA INC. $225.46 2023-2025 Vegzelma, Zymfentra, Yuflyma
Romark Laboratories, Lc $210.68 2019-2020
Novo Nordisk INC $196.65 2021-2025 Wegovy
Merck Sharp & Dohme LLC $164.67 2020-2024 Dificid
Edwards Lifesciences Corporation $156.25 2022
Olympus America INC. $137.28 2019-2020
Phathom Pharmaceuticals, INC. $102.35 2024-2025 Voquezna
Celgene Corporation $96.38 2021-2023 Zeposia
Show all 36 companies
CompanyGeneral paymentsYearsTop products
Intercept Pharmaceuticals, INC. $86.81 2019-2025
Ardelyx, INC. $84.95 2022-2024 Ibsrela
Lilly USA, LLC $81.71 2024-2025 Omvoh
Ipsen Biopharmaceuticals, INC $72.45 2025 Iqirvo
Madrigal Pharmaceuticals $66.11 2025 Rezdiffra
Regeneron Healthcare Solutions, INC. $64.53 2024 Dupixent
Gilead Sciences, INC. $56.33 2019-2020
Ironwood Pharmaceuticals, INC $49.06 2020-2024
Redhill Biopharma INC. $35.47 2024 Talicia
Boston Scientific Corporation $33.63 2023-2025 Watchman Flx, Cre Pro
Qol Medical, LLC $32.38 2019-2020
Medtronic, INC. $30.41 2024 Interstim
Aspire Bariatrics, INC. $28.86 2019
Cumberland Pharmaceuticals, INC. $27.84 2019-2020
Biocon Biologics INC $24.31 2025 Yesintek
Genzyme Corporation $23.82 2024
Apollo Endosurgery US INC $21.60 2019
Horizon Therapeutics Plc $21.12 2019
Ethicon US, LLC $19.47 2019
Ferring Pharmaceuticals INC. $18.72 2019
Amag Pharmaceuticals, INC. $12.78 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

Kevin T Marks

$8,173.32

in general payments reported 2019-2025

Years
2019-2025
Top company
Abbvie INC.
Context
The $2,279 reported for 2025 was more than what 82% of Gastroenterology (Internal Medicine) providers received nationally (typical 2025 total: $636).

https://glasscript.com/doctor/30911/kevin-t-marks

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.