Halozyme INC

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

$442Kgeneral payments (2019-2025)
$22Kresearch payments (2019-2025)
7,969clinicians 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 $21K
2020 $762
2021 $2,429
2022 $2,300
2023 $283K
2024 $56K
2025 $78K

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

Nephrology (Internal Medicine) $113K
Urology $54K
Family $47K
Family Medicine $45K
Physician Assistant $32K
Endocrinology, Diabetes & Metabolism $27K

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)
Mahesh Krishnan Mc Lean, VA Nephrology (Internal Medicine) $113,143.39
Andrew Hendifar West Hollywood, CA Hematology & Oncology $1,777.26
Carl Peck San Luis Obispo, CA Clinical Pharmacology $1,195.46
Louis Schott Cincinnati, OH Ophthalmology $1,112.42
Gabriel Hortobagyi Houston, TX Medical Oncology $1,100.00
Adam Brufsky Pittsburgh, PA $900.00
Ruth O'Regan Rochester, NY Medical Oncology $900.00
Allan Lipton Hershey, PA Medical Oncology $900.00
Mark Pegram Stanford, CA Medical Oncology $900.00
Tiffany Traina New York, NY Medical Oncology $900.00

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.