Physician profile

Robert C Barnes

Internal Medicine · Clarkston, MI

NPI 1316961360

$2,174.45

in general payments reported to CMS, 2019-2025

26 companies · $365 in 2025

The $365 reported for 2025 was more than what a typical Internal Medicine provider received nationally (typical 2025 total: $156).

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$985.91
Education$15.22

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 $661.19 2019-2025 Wegovy, Rybelsus, Ozempic
Amgen INC. $341.43 2019-2025 Repatha, Otezla, Evenity
Lilly USA, LLC $237.11 2020-2025 Mounjaro, Jardiance, Zepbound
Astellas Pharma US INC $170.62 2019-2025 Veozah
Abbvie INC. $159.79 2020-2025
Pfizer INC. $97.42 2022-2025
Exact Sciences Corporation $71.64 2024-2025 Cologuard Collection Kit
Philips North America LLC $70.72 2023-2025 (8874) Incourage, Vest Therapy Und
Nestle Healthcare Nutrition INC. $54.09 2021-2022
Biohaven Pharmaceuticals, INC. $29.40 2021
Amarin Pharma, INC. $24.72 2020-2021
Astrazeneca Pharmaceuticals LP $24.43 2021-2022
Abbott Laboratories $24.36 2023 Freestyle Libre 3
Bayer Healthcare Pharmaceuticals INC. $22.19 2023
Salix Pharmaceuticals, A Division of Bausch Health US, LLC $21.28 2024 Xifaxan
Show all 26 companies
CompanyGeneral paymentsYearsTop products
Biohaven Pharmaceutical Holding Company LTD. $18.40 2022
Daiichi Sankyo INC. $17.27 2025 Injectafer
Ibsa Pharma INC. $16.56 2022
Merck Sharp & Dohme LLC $15.28 2024 Gardasil, Vaxelis, Capvaxive
Takeda Pharmaceuticals U.S.A., INC. $15.22 2023 Gattex
Iti, INC. (D/B/A Intra-Cellular Therapies, INC.) $14.98 2025 Caplyta
Ars Pharmaceuticals Operations, INC. $14.94 2025 Neffy
Avanir Pharmaceuticals, INC. $13.96 2020
Novartis Pharmaceuticals Corporation $13.62 2021
Glaxosmithkline, LLC. $12.36 2022
Allergan, INC. $11.47 2020

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 C Barnes

$2,174.45

in general payments reported 2019-2025

Years
2019-2025
Top company
Novo Nordisk INC
Context
The $365 reported for 2025 was more than what a typical Internal Medicine provider received nationally (typical 2025 total: $156).

https://glasscript.com/doctor/332101/robert-c-barnes

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.