Physician profile

Thomas F Gajewski

Hematology & Oncology · Chicago, IL

NPI 1194888610

$76,709.66

in general payments reported to CMS, 2019-2025

18 companies · none reported in 2025

See the full distribution for Hematology & Oncology

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)
Travel and Lodging$10,236.93
Consulting Fee$9,447.61
Compensation For Services Other Than Consulting, Including Serving As Faculty Or As A Speaker At A Venue Other Than A Continuing Education Program$1,500.00
Education$850.00
Food and Beverage$825.87

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
Merck Sharp & Dohme LLC $21,254.47 2019-2024
Abbvie INC. $17,617.96 2021-2023
Pfizer INC. $10,000.00 2021
Roche Molecular Systems, INC. $5,884.29 2021-2023
Incyte Corporation $3,633.00 2019
E.R. Squibb & Sons, L.L.C. $3,549.28 2019-2023
Gilead Sciences, INC. $3,400.00 2021
Ventana Medical Systems, INC. $2,852.63 2019
Janssen Global Services, LLC $2,480.00 2021
F. Hoffmann-La Roche Ag $1,828.57 2019
Seagen INC. $1,650.00 2021
Astellas Pharma INC $1,550.00 2021
Amgen INC. $750.00 2019
Bristol Myers Squibb Company $143.10 2020
Medtronic, INC. $116.36 2024 Signia

3 companies reported research payments only; those appear in the research section below.

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

Thomas F Gajewski

$76,709.66

in general payments reported 2019-2025

Years
2019-2024
Top company
Merck Sharp & Dohme LLC

https://glasscript.com/doctor/53681/thomas-f-gajewski

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.