Mdd US Operations, LLC

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

$13Mgeneral payments (2019-2025)
$155Kresearch payments (2019-2025)
7,815clinicians 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 $2.9M
2020 $987K
2021 $725K
2022 $1.3M
2023 $2.0M
2024 $1.7M
2025 $3.2M

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

Neurology (Psychiatry & Neurology) $11M
Psychiatry $528K
Physical Medicine & Rehabilitation $164K
Pain Medicine (Anesthesiology) $110K
Family $99K
Anesthesiology $95K

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)
Stuart Isaacson Boca Raton, FL Neurology (Psychiatry & Neurology) $824,603.28
Laxman Bahroo Washington, DC Neurology (Psychiatry & Neurology) $683,736.93
Khashayar Dashtipour Loma Linda, CA Neurology (Psychiatry & Neurology) $657,525.70
Cherian Karunapuzha Oklahoma City, OK Neurology (Psychiatry & Neurology) $656,351.28
Salima Brillman Sunnyvale, CA Psychiatry $405,320.18
Daniel Kremens Philadelphia, PA Neurology (Psychiatry & Neurology) $354,457.08
Nirav Pavasia Dallas, TX Neurology (Psychiatry & Neurology) $349,162.90
Robert Hauser Tampa, FL Neurology (Psychiatry & Neurology) $344,215.06
Maria Ospina Phoenix, AZ Neurology (Psychiatry & Neurology) $290,818.39
Aaron Ellenbogen Farmington Hills, MI Neurology (Psychiatry & Neurology) $276,046.07

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.