Physician profile

John Duffy

Family Medicine · Canton, NY

NPI 1295710358

$86.38

in general payments reported to CMS, 2019-2025

5 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
Merck Sharp & Dohme LLC $23.47 2019
Abbvie INC. $20.44 2022
Boehringer Ingelheim Pharmaceuticals, INC. $14.55 2019
Pfizer INC. $14.44 2019
Boston Scientific Corporation $13.48 2019

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Payment summary

John Duffy

$86.38

in general payments reported 2019-2025

Years
2019-2022
Top company
Merck Sharp & Dohme LLC

https://glasscript.com/doctor/998626/john-duffy

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.