Lumendi LLC

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

$1.1Mgeneral payments (2019-2025)
$0.00research payments (2019-2025)
291clinicians 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 $219K
2020 $185K
2021 $172K
2022 $133K
2023 $123K
2024 $159K
2025 $98K

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

Gastroenterology (Internal Medicine) $905K
Surgery $172K
Internal Medicine $6,971
Colon & Rectal Surgery $3,059
Family $245
Surgical $224

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)
Sergey Kantsevoy Baltimore, MD Gastroenterology (Internal Medicine) $689,589.66
Ihya Gorgun Cleveland, OH Surgery $159,077.69
Mohamed Othman Houston, TX Gastroenterology (Internal Medicine) $42,518.34
Rockford Yapp Downers Grove, IL Gastroenterology (Internal Medicine) $25,000.00
Stavros Stavropoulos Bellmore, NY Gastroenterology (Internal Medicine) $18,834.99
David Diehl Danville, PA Gastroenterology (Internal Medicine) $15,825.31
Molham Abdulsamad Port Matilda, PA Gastroenterology (Internal Medicine) $10,727.96
Salmaan Jawaid Houston, TX Gastroenterology (Internal Medicine) $9,095.66
Ovunc Bardakcioglu Las Vegas, NV Surgery $8,973.96
Alexander Schlachterman Philadelphia, PA Gastroenterology (Internal Medicine) $8,295.67

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.