Physician profile

Barbara E Amsler

Internal Medicine · Algonquin, IL

NPI 1356351258

$2,030.02

in general payments reported to CMS, 2019-2025

20 companies · none reported in 2025

Payments by year

General payments by program year, as reported to CMS.

Who reported paying

General payments only, as reported to CMS. Product names cover 2023-2025.

CompanyGeneral paymentsYearsTop products
Glaxosmithkline, LLC. $278.09 2019-2020
Boehringer Ingelheim Pharmaceuticals, INC. $276.96 2019-2020
Novo Nordisk INC $258.77 2019-2020
Amgen INC. $244.77 2019-2020
Amarin Pharma, INC. $175.03 2019-2020
Pfizer INC. $157.15 2019-2020
Astellas Pharma US INC $95.83 2019-2020
Janssen Pharmaceuticals, INC $79.86 2020
Astrazeneca Pharmaceuticals LP $79.48 2019-2020
Abbvie INC. $77.05 2019-2020
Allergan, INC. $49.38 2019-2020
Sanofi-Aventis U.S. LLC $48.41 2019
Sunovion Pharmaceuticals INC. $45.49 2020
Lilly USA, LLC $40.54 2019-2020
Zyla Life Sciences, INC. $30.05 2019
Show all 20 companies
CompanyGeneral paymentsYearsTop products
Takeda Pharmaceuticals U.S.A., INC. $25.88 2019
Genentech USA, INC. $19.59 2019
Assertio Therapeutics, INC. $18.84 2020
E.R. Squibb & Sons, L.L.C. $15.32 2020
Novartis Pharmaceuticals Corporation $13.53 2019

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Payment summary

Barbara E Amsler

$2,030.02

in general payments reported 2019-2025

Years
2019-2020
Top company
Glaxosmithkline, LLC.

https://glasscript.com/doctor/487349/barbara-e-amsler

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.