Physician profile

Jaroslaw Jac

Hematology & Oncology · Westborough, MA

NPI 1326029802

$845.41

in general payments reported to CMS, 2019-2025

20 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)
Food and Beverage$159.21
Education$21.31

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
Incyte Corporation $109.84 2019
Astrazeneca Pharmaceuticals LP $97.94 2019
E.R. Squibb & Sons, L.L.C. $87.52 2019-2024 Opdivo, Opdualag
Lilly USA, LLC $84.93 2019
Janssen Biotech, INC. $82.73 2019
Merck Sharp & Dohme LLC $49.49 2019
Amgen INC. $43.05 2019-2020
Array Biopharma INC $33.63 2024 Mektovi, Braftovi, Lorbrena
Celgene Corporation $30.16 2024
Puma Biotechnology, INC. $29.73 2019
Abbvie INC. $29.65 2024
Adaptive Biotechnologies Corporation $27.03 2024 Clonoseq
Pharmacyclics LLC, An Abbvie Company $26.37 2022
Boehringer Ingelheim Pharmaceuticals, INC. $22.14 2019
Novartis Pharmaceuticals Corporation $19.98 2019
Show all 20 companies
CompanyGeneral paymentsYearsTop products
Regeneron Healthcare Solutions, INC. $18.91 2019
Alexion Pharmaceuticals, INC. $18.62 2024 Ultomiris
Gilead Sciences, INC. $11.92 2021
Takeda Pharmaceuticals U.S.A., INC. $11.37 2019
Clovis Oncology, INC. $10.40 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

Jaroslaw Jac

$845.41

in general payments reported 2019-2025

Years
2019-2024
Top company
Incyte Corporation

https://glasscript.com/doctor/856025/jaroslaw-jac

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.