Avner Hershlag, MD

Dr. Hershlag is a board-certified reproductive endocrinologist at Island Fertility, a participating provider in the WINFertility Network.

Education and Certifications

Dr. Hershlag, a native of Israel, earned his medical degree from the Hadassah Medical School in Jerusalem.  He completed his residency in obstetrics and gynecology at the George Washington University Medical Center and his fellowship in reproductive endocrinology and infertility at Yale School of Medicine.  He is double board-certified in obstetrics and gynecology and in reproductive endocrinology and infertility.


Dr. Hershlag has cared for patients for more than 30 years.  He established successful programs at Northwell Health including preimplantation genetic testing, egg freezing, fertility preservation for cancer patients, and donor egg and third-party reproduction.  Dr. Hershlag was the chief of Northwell Health fertility from 2011 to 2018, and was also the program director of the fellowship program in reproductive endocrinology, which he established.  He is the author of over 75 peer-reviewed articles, 30 book chapters, and a novel named Misconception.  He has received several awards, including Castle Connolly Top Doctor and the American Society for Reproductive Medicine (ASRM) 2019 Star Award.

Schedule a Free WIN Consultation