Physician profile

James R Clark

Gastroenterology (Internal Medicine) · Downers Grove, IL

NPI 1588640650

$13,365.97

in general payments reported to CMS, 2019-2025

44 companies · $1,160 in 2025

The $1,160 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$3,852.88

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. $3,471.92 2019-2025 Rinvoq, Linzess, Viberzi
Takeda Pharmaceuticals U.S.A., INC. $1,713.53 2019-2025 Eohilia, Entyvio, Gattex
Salix Pharmaceuticals, A Division of Bausch Health US, LLC $1,559.78 2019-2025 Xifaxan, Trulance
Janssen Biotech, INC. $1,492.68 2019-2025 Stelara, Simponi, Remicade
Gilead Sciences, INC. $1,018.84 2019-2025
Pfizer INC. $586.65 2019-2024
Genzyme Corporation $258.85 2023-2025
Allergan, INC. $252.43 2019-2020
Braintree Laboratories, INC. $222.77 2019-2022
Qol Medical, LLC $215.39 2019-2024 Sucraid, Sucraid
Merck Sharp & Dohme LLC $198.02 2019-2021
Mauna Kea Technologies, INC. $188.61 2019-2021
Redhill Biopharma INC. $156.94 2020-2022
Ucb, INC. $155.04 2019
Ironwood Pharmaceuticals, INC $151.19 2019-2023 Linzess
Show all 44 companies
CompanyGeneral paymentsYearsTop products
Ferring Pharmaceuticals INC. $149.06 2020-2023 Rebyota
Shire North American Group INC $129.23 2019
Ethicon US, LLC $126.88 2019-2020
Intercept Pharmaceuticals, INC. $111.13 2019-2025
Ardelyx, INC. $109.82 2022-2025 Ibsrela
Celgene Corporation $101.44 2021-2023 Zeposia
Phathom Pharmaceuticals, INC. $96.66 2025 Voquezna
Abbott Laboratories $93.64 2021-2023 Proclaim
Nestle Healthcare Nutrition INC. $91.17 2021-2023
Boston Scientific Corporation $86.45 2021
Alfasigma USA, INC. $82.21 2020
Evoke Pharma, INC. $76.44 2021-2024
Alexion Pharmaceuticals, INC. $58.77 2020-2023 Ultomiris
Lilly USA, LLC $46.56 2025 Omvoh
Olympus America INC. $42.53 2024 Evis Exera III Colonovideoscope, Disposable Biopsy Forceps
Madrigal Pharmaceuticals $42.38 2024-2025 Resmetirom, Rezdiffra
Aimmune Therapeutics, INC. $29.37 2024-2025 Zenpep
Novo Nordisk INC $25.33 2025 Wegovy
Orphalan INC $24.77 2025 Cuvrior
Stryker Corporation $24.52 2021
Celltrion USA INC. $24.35 2025 Vegzelma
Si-Bone, INC. $23.61 2021
Alnylam Pharmaceuticals INC. $22.48 2021
E.R. Squibb & Sons, L.L.C. $20.63 2022
Bayer Healthcare Pharmaceuticals INC. $18.43 2019
Sanofi-Aventis U.S. LLC $17.90 2021
Dova Pharmaceuticals $16.38 2019
Ibsa Pharma INC. $16.12 2021
Dynavax Technologies Corporation $15.07 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

James R Clark

$13,365.97

in general payments reported 2019-2025

Years
2019-2025
Top company
Abbvie INC.
Context
The $1,160 reported for 2025 was more than what a typical Gastroenterology (Internal Medicine) provider received nationally (typical 2025 total: $636).

https://glasscript.com/doctor/71672/james-r-clark

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.