Amgen INC.

Reporting payments is a legal requirement; large totals often reflect large product portfolios.

$215Mgeneral payments (2019-2025)
$4.6Mresearch payments (2019-2025)
275,035clinicians paid

General and research payments are shown separately, never blended. Research payments are often institution-directed and tied to clinical trials.

General payments by year

2019 $40M
2020 $20M
2021 $25M
2022 $24M
2023 $26M
2024 $40M
2025 $39M

General payments only, as reported to CMS. Research payments are totaled above and not included in these bars.

Products most associated with its payments

Specialties it works with most

Rheumatology $32M
Dermatology $19M
Cardiovascular Disease $18M
Neurology (Psychiatry & Neurology) $17M
Internal Medicine $15M
Family Medicine $13M

Clinicians with the largest reported totals

Often long-running consulting, speaking, or advisory relationships, which companies must report by law. A large total is not evidence of anything improper.

ClinicianLocationSpecialtyGeneral payments (2019-2025)
Brian Druker Portland, OR Hematology & Oncology $1,707,463.28
R Williams Durham, NC Cardiovascular Disease $1,463,449.60
Michael Mcclung Portland, OR Endocrinology, Diabetes & Metabolism $1,240,762.64
Felicia Cosman West Haverstraw, NY $1,043,521.61
Eduardo Chini Rochester, MN Anesthesiology $683,215.60
Lori Siegel Bannockburn, IL Rheumatology $668,633.53
Nihar Desai New Haven, CT Cardiovascular Disease $638,177.89
Andrea Singer Washington, DC Internal Medicine $610,942.96
John Stone Boston, MA Rheumatology $592,365.84
Peter Toth Sterling, IL Family Medicine $539,164.65

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.