Physician profile

Jarred E Marshak

Gastroenterology (Internal Medicine) · Wantagh, NY

NPI 1538417027

$1,406.43

in general payments reported to CMS, 2019-2025

15 companies · $612 in 2025

The $612 reported for 2025 was less 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$1,132.17
Compensation For Services Other Than Consulting, Including Serving As Faculty Or As A Speaker At A Venue Other Than A Continuing Education Program$20.00
Grant$20.00

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
Lilly USA, LLC $297.53 2025 Omvoh
Salix Pharmaceuticals, A Division of Bausch Health US, LLC $205.21 2019-2025 Xifaxan
Genzyme Corporation $198.69 2023-2025
Abbvie INC. $192.50 2019-2025
Phathom Pharmaceuticals, INC. $141.34 2023-2024 Voquezna
Pfizer INC. $85.39 2024-2025
Takeda Pharmaceuticals U.S.A., INC. $67.28 2024-2025 Entyvio, Eohilia
Celgene Corporation $51.52 2023-2024 Zeposia
Ferring Pharmaceuticals INC. $44.43 2019
Braintree Laboratories, INC. $35.85 2019
Ardelyx, INC. $23.29 2024 Ibsrela
Janssen Biotech, INC. $19.19 2019
Micro-Tech Endoscopy USA, INC. $16.64 2025 Lesionhunter
Allergan, INC. $15.00 2019
Ironwood Pharmaceuticals, INC $12.57 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

Jarred E Marshak

$1,406.43

in general payments reported 2019-2025

Years
2019-2025
Top company
Lilly USA, LLC
Context
The $612 reported for 2025 was less than what a typical Gastroenterology (Internal Medicine) provider received nationally (typical 2025 total: $636).

https://glasscript.com/doctor/5565059/jarred-e-marshak

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.