Leonid Poretsky

Leonid Poretsky (born August 7, 1954) is a Russian-born American endocrinologist. His research interests include mechanisms of insulin action in the ovary,

In 2017, he published a letter about Medicare being allowed to compete with private health insurance plans. In 2023 he published an editorial in POZ magazine regarding government influence in transgender care.

Notable research

Insulin effects in the human ovary While working as a research fellow at Harvard in the early 1980s, Poretsky became known for discovering, describing and characterizing insulin receptors in the human ovary. a study of the potential new treatment for prevention of diabetic nephropathy (carried out in collaboration with investigators from the Mount Sinai School of Medicine); a review of the role of Vitamin D in human reproduction; and an editorial as well as a clinical research study on the problem of recurrent hospitalizations of patients with diabetes. In 2021 he has published on applications of modern glucose monitoring technology in hospitalized patients with diabetes during COVID 19 epidemic.