Joshua U. Klein, MD, FACOG
Reproductive Endocrinologist and Chief Clinical Officer
At Extend Fertility — New York, New York 10019
About Joshua U. Klein, MD, FACOG
Joshua U. Klein, MD, FACOG, is a board-certified reproductive endocrinologist, co-founder and Chief Clinical Officer of Extend Fertility, and Medical Director of its embryology laboratory.
His clinical and academic work includes infertility, fertility preservation, IVF, and reproductive medicine. He is an assistant professor at the Icahn School of Medicine at Mount Sinai.
Education and training
MD — Harvard University
Residency in Obstetrics, Gynecology and Reproductive Biology — Massachusetts General Hospital and Brigham and Women’s Hospital
Fellowship in Reproductive Endocrinology and Infertility — Columbia University
Professional affiliations
Board-certified in Obstetrics and GynecologyBoard-certified in Reproductive Endocrinology and Infertility Assistant Professor — Icahn School of Medicine at Mount SinaiAmerican Society for Reproductive MedicineAmerican College of Obstetricians and GynecologistsAmerican Medical Association
Treatments & specialties
In Vitro Fertilization (IVF)
Fertility Preservation
Other doctors at Extend Fertility
Nataki Douglas, MD, PhDReproductive Endocrinologist and Chief Scientific Officer
View profile
Baruch Abittan, MD, FACOGReproductive Endocrinologist
View profile
Joshua Morris, MD, FACOGReproductive Endocrinologist
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Melvin Thornton, MD, FACOGAffiliated Reproductive Endocrinologist — Not accepting new patients
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Clinic Location
Other locations
Joshua U. Klein, MD, FACOG practices at 1 clinic location.
This location
Extend Fertility
200 West 57th Street, Suite 1101, New York, New York 10019