Physician profile

Demetrios S Theodoropoulos

Clinical & Laboratory Immunology (Allergy & Immunology) · Onalaska, WI

NPI 1326299488

$5,167.13

in general payments reported to CMS, 2019-2025

23 companies · $764 in 2025

The $764 reported for 2025 was less than what a typical Clinical & Laboratory Immunology (Allergy & Immunology) provider received nationally (typical 2025 total: $1,390).

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$2,917.92

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
Astrazeneca Pharmaceuticals Lp $2,116.91 2019-2025 Fasenra, Airsupra, Breztri
Genzyme Corporation $775.03 2019-2024
Amgen INC. $372.91 2022-2024 Tezspire
Glaxosmithkline, LLC. $272.08 2019-2023 Nucala
Ars Pharmaceuticals Operations, INC. $242.53 2025 Neffy
Grifols USA, LLC $207.41 2019-2024 Xembify, Prolastin-C Liquid
Takeda Pharmaceuticals U.S.A., INC. $171.87 2020-2025 Cuvitru, Takhzyro, Hyqvia
Regeneron Healthcare Solutions, INC. $169.38 2019-2024 Dupixent
Biocryst US Sales Co., LLC $119.21 2022-2025 Orladeyo
Sanofi-Aventis U.S. LLC $101.96 2019-2022
Pharming Healthcare, INC. $99.10 2022-2025 Ruconest
Teva Pharmaceuticals USA, INC. $95.06 2021-2022
Optinose US, INC. $89.32 2019-2024
Octapharma USA, INC. $85.16 2023-2024 Cutaquig
Incyte Corporation $44.05 2023-2024 Opzelura
Show all 23 companies
CompanyGeneral paymentsYearsTop products
Hospira, INC. $39.04 2025
Shire North American Group INC $36.22 2019
Genentech USA, INC. $35.23 2022-2024 Xolair
Pfizer INC. $28.51 2021-2023
Galderma Laboratories, L.P. $18.52 2025 Nemluvio
Boehringer Ingelheim Pharmaceuticals, INC. $16.97 2022
Alk-Abello, INC $15.67 2019
Novartis Pharmaceuticals Corporation $14.99 2025

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

Demetrios S Theodoropoulos

$5,167.13

in general payments reported 2019-2025

Years
2019-2025
Top company
Astrazeneca Pharmaceuticals Lp
Context
The $764 reported for 2025 was less than what a typical Clinical & Laboratory Immunology (Allergy & Immunology) provider received nationally (typical 2025 total: $1,390).

https://glasscript.com/doctor/151374/demetrios-s-theodoropoulos

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.