Arena Pharmaceuticals, INC.

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

$71Kgeneral payments (2019-2025)
$0.00research payments (2019-2025)
223clinicians 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

2022 $0.00
2023 $35K
2024 $34K
2025 $1,100

General payments only, as reported to CMS. Research payments are totaled above and not included in these bars.

Specialties it works with most

Anatomic Pathology & Clinical Pathology $59K
Gastroenterology (Internal Medicine) $11K
Family Medicine $1,524

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)
Reetesh Pai Palo Alto, CA Anatomic Pathology & Clinical Pathology $58,600.00
Michael Chiorean Issaquah, WA Gastroenterology (Internal Medicine) $2,000.00
Bahram Ahmadi Sebring, FL Gastroenterology (Internal Medicine) $2,000.00
Niaz Ausaf Sarasota, FL Family Medicine $1,524.00
Poonam Beniwal-Patel Milwaukee, WI Gastroenterology (Internal Medicine) $1,500.00
Curtis Baum Topeka, KS Gastroenterology (Internal Medicine) $1,500.00
Evan Dellon Chapel Hill, NC Gastroenterology (Internal Medicine) $1,496.00
Loren Brook Cincinnati, OH Gastroenterology (Internal Medicine) $900.00
Ikuo Hirano Chicago, IL Gastroenterology (Internal Medicine) $500.00
Joshua Sloan Minneapolis, MN Gastroenterology (Internal Medicine) $450.00

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.