Karyopharm Therapeutics INC.

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

$7.4Mgeneral payments (2019-2025)
$56Kresearch payments (2019-2025)
8,827clinicians 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

2020 $1.3M
2021 $1.9M
2022 $1.5M
2023 $1.2M
2024 $926K
2025 $648K

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

Hematology & Oncology $4.0M
Medical Oncology $1.6M
Hematology (Internal Medicine) $556K
Nurse Practitioner $176K
Family $150K
Infectious Disease $138K

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)
Hakan Kaya Spokane, WA Medical Oncology $557,323.87
Mohammadbagher Ziari Corona, CA Hematology & Oncology $275,556.94
Kelly Mccaul Sioux Falls, SD Hematology & Oncology $243,027.91
Ehsan Malek Buffalo, NY Medical Oncology $189,256.19
Taral Patel Columbus, OH Hematology & Oncology $185,014.05
James Berenson West Hollywood, CA $184,928.34
Moshe Levy Dallas, TX Medical Oncology $172,492.44
Rajesh Behl Berkeley, CA Hematology & Oncology $165,225.44
Kevin Kelly Los Angeles, CA Hematology & Oncology $144,935.59
Mojtaba Akhtari Omaha, NE Hematology & Oncology $141,622.91

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.