Ipsen Innovation

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

$1.5Mgeneral payments (2019-2025)
$1.3Mresearch payments (2019-2025)
372clinicians 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 $322K
2020 $190K
2021 $95K
2022 $135K
2023 $142K
2024 $316K
2025 $251K

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

Physical Medicine & Rehabilitation $274K
Dermatology $273K
Neurology (Psychiatry & Neurology) $252K
Gastroenterology (Internal Medicine) $93K
Hematology & Oncology $79K
Medical Oncology $71K

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)
Mark Nestor Aventura, FL Dermatology $258,596.13
Alberto Esquenazi Philadelphia, PA Physical Medicine & Rehabilitation $141,466.25
Jack Schim Carlsbad, CA Neurology (Psychiatry & Neurology) $104,547.39
Atul Patel Overland Park, KS Physical Medicine & Rehabilitation $77,534.78
Mauricio Delgado-Ayala Dallas, TX Neurology With Special Qualifications In Child Neurology $61,349.25
Monica Verduzco-Gutierrez San Antonio, TX Brain Injury Medicine (Physical Medicine & Rehabilitation) $50,599.99
Christopher Bowlus Sacramento, CA Gastroenterology (Internal Medicine) $48,320.18
Hyder Jinnah Atlanta, GA Neurology (Psychiatry & Neurology) $24,705.66
Einar Ottestad Stanford, CA Pain Medicine (Anesthesiology) $23,941.91
Kris Kowdley Seattle, WA Gastroenterology (Internal Medicine) $22,323.43

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.