Physician profile

Tamer Atassi

Gastroenterology (Internal Medicine) · Joliet, IL

NPI 1548276819

$3,707.53

in general payments reported to CMS, 2019-2025

24 companies · $963 in 2025

The $963 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$2,993.69
Education$16.02

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. $1,307.71 2019-2025 Rinvoq, Skyrizi
Takeda Pharmaceuticals U.S.A., INC. $364.85 2022-2025 Entyvio, Eohilia, Gattex
Janssen Biotech, INC. $257.69 2020-2025 Stelara, Tremfya, Simponi Aria
Pfizer INC. $197.57 2024-2025
Boston Scientific Corporation $192.01 2021-2024 Exalt Model D
Medtronic, INC. $168.08 2023 Endoflip
Merck Sharp & Dohme LLC $135.11 2023 Dificid, Zinplava
Conmed Corporation $134.46 2024 Conmed Hemostasis, Conmed Generators
Intuitive Surgical, INC. $132.80 2025
Sandoz INC. $124.02 2023-2024 Hyrimoz
Pinnacle Biologics, INC $115.81 2024 Photofrin
Salix Pharmaceuticals, A Division of Bausch Health US, LLC $87.03 2023-2024 Trulance, Xifaxan
Ardelyx, INC. $77.78 2023-2025 Ibsrela
Qol Medical, LLC $77.53 2023-2025 Sucraid
Genzyme Corporation $50.29 2023-2025
Show all 24 companies
CompanyGeneral paymentsYearsTop products
Phathom Pharmaceuticals, INC. $48.99 2024-2025 Voquezna
Aimmune Therapeutics, INC. $47.74 2025 Zenpep, Vowst
Celgene Corporation $41.95 2023 Zeposia
Madrigal Pharmaceuticals $32.93 2024 Resmetirom
Mauna Kea Technologies, INC. $31.02 2019-2020
Allergan, INC. $24.39 2019
Evoke Pharma, INC. $22.45 2024
Novo Nordisk INC $21.58 2025 Wegovy
Ferring Pharmaceuticals INC. $13.74 2021

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.

If you want to bring it up

Most clinicians are glad to talk about this. A respectful way in:

These are normal questions. A good clinician will welcome them.

Share this page

Payment summary

Tamer Atassi

$3,707.53

in general payments reported 2019-2025

Years
2019-2025
Top company
Abbvie INC.
Context
The $963 reported for 2025 was more than what a typical Gastroenterology (Internal Medicine) provider received nationally (typical 2025 total: $636).

https://glasscript.com/doctor/160306/tamer-atassi

Source: CMS Open Payments, program years 2019-2025. Payments are legal and often routine.

Keep an eye on this page

Get an email when the next June refresh changes this page. No account needed.

Watch this doctor

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.