Dr. John Leff, MD (he/him) is an Endocrinologist in Brooklyn, NY with over 17 years of experience. What is your opinion of Dr. John Leff, MD? Rate this provider below so other people can make informed decision.
Over 17 Years of Experience
Many providers receive payments from medical companies such as pharmaceutical companies and medical device companies. These payments can range from small amounts for meals to large consulting fees. We provide this information in order to make healthcare system more transparent. Between 2014 and 2020 Dr. John Leff, MD has received over $462 which includes payments from the following companies:
$165.73 from Grifols USA, LLC
$133.69 from Edwards Lifesciences Corporation
$125.00 from Shire North American Group Inc
$38.25 from Merck Sharp & Dohme Corporation
Payments received by Dr. John Leff, MD were from the following categories:
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