Physician profile

Robert M Holbrook

Gastroenterology (Internal Medicine) · Norman, OK

NPI 1053352054

$11,908.93

in general payments reported to CMS, 2019-2025

33 companies · $1,672 in 2025

The $1,672 reported for 2025 was more than what 75% of Gastroenterology (Internal Medicine) providers 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$5,381.52

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
Abbvie INC. $3,474.63 2019-2025
Takeda Pharmaceuticals U.S.A., INC. $1,574.62 2019-2025 Entyvio, Gattex, Eohilia
Salix Pharmaceuticals, A Division of Bausch Health US, LLC $1,438.23 2019-2025 Xifaxan, Trulance
Janssen Biotech, INC. $1,030.49 2019-2025 Stelara, Tremfya
Celgene Corporation $683.64 2021-2024 Zeposia
Gilead Sciences, INC. $411.71 2019-2025
Ironwood Pharmaceuticals, INC $377.15 2019-2022
Qol Medical, LLC $339.38 2019-2025 Sucraid, Sucraid
Daiichi Sankyo INC. $268.25 2019-2022
Genzyme Corporation $225.68 2022-2025
Steris Corporation $219.78 2021
Pfizer INC. $201.23 2019-2025
Nestle Healthcare Nutrition INC. $195.00 2021-2023
Medtronic, INC. $188.80 2024-2025 Interstim
Regeneron Healthcare Solutions, INC. $168.40 2023-2025 Dupixent
Show all 32 companies
CompanyGeneral paymentsYearsTop products
Ferring Pharmaceuticals INC. $153.56 2020-2024 Rebyota
Merck Sharp & Dohme LLC $134.57 2021-2023 Dificid
Aimmune Therapeutics, INC. $128.27 2024-2025 Zenpep
Braintree Laboratories, INC. $98.63 2019-2023 Suflave
Madrigal Pharmaceuticals $94.43 2024-2025 Resmetirom, Rezdiffra
Ardelyx, INC. $93.08 2023-2025 Ibsrela
Intercept Pharmaceuticals, INC. $87.03 2019-2021
Lilly USA, LLC $85.68 2025 Omvoh
Olympus America INC. $77.13 2019-2024 Endoclot Phs
Phathom Pharmaceuticals, INC. $30.95 2024-2025 Voquezna
Redhill Biopharma INC. $28.10 2021-2022
Ucb, INC. $26.91 2019
Mallinckrodt Hospital Products INC. $17.38 2020
Ipsen Biopharmaceuticals, INC $16.35 2025 Iqirvo
Amag Pharmaceuticals, INC. $15.92 2021
Organon LLC $12.08 2022
Cook Medical LLC $11.87 2020

1 company 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

Robert M Holbrook

$11,908.93

in general payments reported 2019-2025

Years
2019-2025
Top company
Abbvie INC.
Context
The $1,672 reported for 2025 was more than what 75% of Gastroenterology (Internal Medicine) providers received nationally (typical 2025 total: $636).

https://glasscript.com/doctor/229121/robert-m-holbrook

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.