Otsuka Pharmaceutical Development & Commercialization, INC.

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

$23Mgeneral payments (2019-2025)
$6.7Mresearch payments (2019-2025)
11,826clinicians 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 $921K
2020 $4.3M
2021 $4.4M
2022 $4.5M
2023 $2.5M
2024 $3.4M
2025 $3.4M

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

Internal Medicine $5.9M
Child & Adolescent Psychiatry $3.1M
Psychiatry $2.8M
Dermatology $2.5M
Nephrology (Internal Medicine) $2.4M
Neurology (Psychiatry & Neurology) $847K

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)
Bruce Berger Brooklyn, NY Internal Medicine $3,362,570.30
Kevin Cox Ojai, CA Child & Adolescent Psychiatry $2,877,859.03
Linda Cappiello-Lindsley Hoboken, NJ Dermatology $2,334,011.86
Hassan Malik Akron, OH Internal Medicine $1,694,125.98
Maryam Saba Springfield, VA General Practice (Dentist) $810,740.56
Haoling Weng Los Angeles, CA Rheumatology $562,398.48
Wanda Castro-Borrero Farmington, CT Neurology (Psychiatry & Neurology) $552,989.95
Ryan Lang Princeton, NJ Public Health & General Preventive Medicine $443,150.14
Roshni Daver Roxbury, MA Internal Medicine $322,240.00
Kenechukwu Enekebe Corpus Christi, TX Hospitalist $311,302.24

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.