Physician profile

Samuel Willis

Gastroenterology (Internal Medicine) · Columbia, SC

NPI 1770586588

$1,943.37

in general payments reported to CMS, 2019-2025

17 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
Abbvie INC. $677.66 2019-2021
Salix Pharmaceuticals, A Division of Bausch Health US, LLC $464.02 2019-2021
Janssen Biotech, INC. $285.65 2019-2022
Takeda Pharmaceuticals U.S.A., INC. $78.90 2019-2021
Nestle Healthcare Nutrition INC. $73.85 2020-2021
Intercept Pharmaceuticals, INC. $66.14 2019-2020
Gilead Sciences, INC. $54.43 2020-2021
Ucb, INC. $43.01 2019-2020
Braintree Laboratories, INC. $38.48 2019-2020
Ironwood Pharmaceuticals, INC $33.24 2019-2021
Pfizer INC. $29.80 2019-2021
Merck Sharp & Dohme LLC $24.95 2019
Boston Scientific Corporation $18.50 2020
Alfasigma USA, INC. $15.32 2020
Ferring Pharmaceuticals INC. $14.93 2019
Show all 17 companies
CompanyGeneral paymentsYearsTop products
Celgene Corporation $13.65 2021
Tetraphase Pharmaceuticals, INC. $10.84 2019

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Payment summary

Samuel Willis

$1,943.37

in general payments reported 2019-2025

Years
2019-2022
Top company
Abbvie INC.

https://glasscript.com/doctor/125484/samuel-willis

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.