Genentech, INC.

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

$21Mgeneral payments (2019-2025)
$5.5Mresearch payments (2019-2025)
11,674clinicians 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 $3.9M
2020 $2.6M
2021 $2.4M
2022 $3.8M
2023 $3.1M
2024 $2.8M
2025 $2.7M

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

Medical Oncology $2.9M
Neurology (Psychiatry & Neurology) $2.4M
Hematology & Oncology $2.2M
Ophthalmology $1.9M
Internal Medicine $1.1M
Retina Specialist $868K

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)
Michael Grundman San Diego, CA $1,487,500.00
Mandar Muzumdar New Haven, CT Medical Oncology $370,500.00
Miriam Bloch La Jolla, CA Anatomic Pathology & Clinical Pathology $251,650.00
Malte Schutz Chicago, IL $235,673.71
Boyu Hu Houston, TX Hematology & Oncology $225,000.00
Reid Merryman Boston, MA Medical Oncology $225,000.00
Ariel Lefland New Haven, CT Neurology (Psychiatry & Neurology) $219,277.00
Kevin Leslie Phoenix, AZ Anatomic Pathology & Clinical Pathology $206,183.13
Paunel Agyei Weston, FL Neurology (Psychiatry & Neurology) $201,000.00
Sahaja Acharya Baltimore, MD Radiation Oncology $200,000.00

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.