Physician profile

John Wuellner

Internal Medicine · Alton, IL

NPI 1558378927

$1,326.78

in general payments reported to CMS, 2019-2025

26 companies · none reported in 2025

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$36.88

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
Novo Nordisk INC $329.47 2019-2022
Amgen INC. $101.52 2019-2022
Glaxosmithkline, LLC. $92.29 2019
Abbvie INC. $80.73 2021-2022
Astellas Pharma US INC $77.09 2019-2020
Janssen Pharmaceuticals, INC $67.25 2019-2022
Pfizer INC. $52.26 2019-2022
Amarin Pharma, INC. $50.64 2019-2020
Lilly USA, LLC $48.98 2020
Biohaven Pharmaceutical Holding Company LTD. $46.04 2022
Astrazeneca Pharmaceuticals LP $45.01 2019-2020
Boehringer Ingelheim Pharmaceuticals, INC. $44.17 2019-2022
Sanofi-Aventis U.S. LLC $37.04 2020-2022
Abbott Laboratories $36.99 2019
Iti, INC. (D/B/A Intra-Cellular Therapies, INC.) $25.71 2022
Show all 26 companies
CompanyGeneral paymentsYearsTop products
Corcept Therapeutics $24.88 2022
Merck Sharp & Dohme LLC $24.74 2022
Lifescan, INC. $22.64 2020
Calliditas Therapeutics US INC. $21.01 2024
Eisai INC. $16.16 2020
Stryker Corporation $15.87 2024 Aequalis Perform Reversed
Otsuka America Pharmaceutical, INC. $14.34 2021
Nestle Healthcare Nutrition INC. $14.00 2022
Apria Healthcare LLC $13.18 2021
Allergan, INC. $13.09 2020
Sunovion Pharmaceuticals INC. $11.68 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.

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

John Wuellner

$1,326.78

in general payments reported 2019-2025

Years
2019-2024
Top company
Novo Nordisk INC

https://glasscript.com/doctor/115674/john-wuellner

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.