Physician profile

Robert W Buster

Geriatric Medicine (Internal Medicine) · Orange, CA

NPI 1841343076

$8,117.14

in general payments reported to CMS, 2019-2025

37 companies · none reported in 2025

Payments by year

General payments by program year, as reported to CMS.

Who reported paying

General payments only, as reported to CMS. Product names cover 2023-2025.

CompanyGeneral paymentsYearsTop products
Amgen INC. $1,592.30 2019-2022
Astrazeneca Pharmaceuticals Lp $1,233.34 2019-2022
Janssen Pharmaceuticals, INC $604.24 2019-2022
Amarin Pharma, INC. $575.33 2019-2021
Sanofi-Aventis U.S. LLC $479.82 2019-2020
Glaxosmithkline, LLC. $396.91 2019-2021
Boehringer Ingelheim Pharmaceuticals, INC. $379.66 2019-2020
Novartis Pharmaceuticals Corporation $351.69 2019-2020
Pfizer INC. $292.45 2019-2020
Sanofi Pasteur INC. $259.84 2019-2020
Novo Nordisk INC $237.55 2019-2020
Lilly USA, LLC $170.04 2019-2020
Biohaven Pharmaceuticals, INC. $148.50 2021
Insmed, INC. $146.40 2019-2020
Allergan, INC. $145.09 2019-2020
Show all 37 companies

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Payment summary

Robert W Buster

$8,117.14

in general payments reported 2019-2025

Years
2019-2022
Top company
Amgen INC.

https://glasscript.com/doctor/38486/robert-w-buster

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.