Physician profile

Themistocles Dassopoulos

Gastroenterology (Internal Medicine) · Dallas, TX

NPI 1326083148

$22,178.63

in general payments reported to CMS, 2019-2025

41 companies · $8,456 in 2025

The $8,456 reported for 2025 was more than what 92% of Gastroenterology (Internal Medicine) providers received nationally (typical 2025 total: $636).

See the full distribution for Gastroenterology (Internal Medicine)

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)
Consulting Fee$6,710.00
Food and Beverage$5,649.20
Travel and Lodging$1,392.74
Education$9.65

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
Merck Sharp & Dohme LLC $8,722.68 2019-2025 Dificid, Zerbaxa
Salix Pharmaceuticals, A Division of Bausch Health US, LLC $4,475.90 2019-2025 Xifaxan
Abbvie INC. $2,966.12 2019-2025 Rinvoq, Skyrizi, Humira
Takeda Pharmaceuticals U.S.A., INC. $2,138.41 2019-2025 Entyvio, Gattex
Organon LLC $507.85 2021-2025 Renflexis, Hadlima
Celgene Corporation $503.82 2022-2024 Zeposia
Janssen Biotech, INC. $486.61 2022-2025 Tremfya, Stelara
Pfizer INC. $433.19 2021-2025
Janssen Scientific Affairs, LLC $286.59 2019-2025 Tremfya, Remicade, Stelara
Aimmune Therapeutics, INC. $207.01 2024-2025 Vowst
Boehringer Ingelheim Pharmaceuticals, INC. $203.45 2019-2024
Lilly USA, LLC $162.89 2024-2025 Omvoh
Celltrion USA INC. $119.63 2024 Vegzelma
Ethicon US, LLC $119.15 2021-2025 Echelon Circular, Echelon Endopath, Echelon Flex
Braintree Laboratories, INC. $113.17 2021-2023 Suflave
Show all 35 companies
CompanyGeneral paymentsYearsTop products
Medtronic, INC. $100.97 2022-2024 Interstim
Boston Scientific Corporation $82.36 2021-2025 Enhance Transcarotid Peripheral Access Kit
Amgen INC. $78.23 2023 Amjevita, Avsola
Ferring Pharmaceuticals INC. $68.15 2019-2021
Mallinckrodt Enterprises LLC $48.09 2019
Cumberland Pharmaceuticals, INC. $40.05 2022
Stryker Corporation $35.96 2022
Shire North American Group INC $31.34 2019
Integra Lifesciences Corporation $31.10 2021-2022
Nestle Healthcare Nutrition INC. $28.18 2023
Mallinckrodt Hospital Products INC. $27.24 2020
Avanos Medical $22.10 2022
Intercept Pharmaceuticals, INC. $21.37 2022
Ucb, INC. $19.60 2019
Tela Bio, INC. $19.33 2023 Ovitex Reinforced Bioscaffold With Permanent Polymer (Ovitex)
Astrazeneca Pharmaceuticals LP $18.06 2023
Allergan, INC. $17.90 2021
Kci USA, INC. $17.25 2021
Endo Pharmaceuticals INC. $13.26 2020
Pacira Pharmaceuticals Incorporated $11.62 2021

6 companies reported research payments only; those appear in the research section below.

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

Themistocles Dassopoulos

$22,178.63

in general payments reported 2019-2025

Years
2019-2025
Top company
Merck Sharp & Dohme LLC
Context
The $8,456 reported for 2025 was more than what 92% of Gastroenterology (Internal Medicine) providers received nationally (typical 2025 total: $636).

https://glasscript.com/doctor/59388/themistocles-dassopoulos

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.