Avner Hershlag, MD

Clinical Professor; Reproductive Endocrinologist and Infertility Specialist; LGBTQ+ Specialist

Lead physician Reproductive genetics PGT

At Island Fertility, Stony Brook Community Medical, PC — Commack, NY 11725

About Avner Hershlag, MD

Dr. Avner Hershlag is a double-board-certified reproductive endocrinologist, LGBTQ+ specialist, and clinical professor affiliated with Island Fertility and Stony Brook Medicine. His work focuses on fertility genetics, fertility preservation, access to care, and the ethics of reproductive technologies.

Education and Training

Medical degree: Hebrew University–Hadassah Medical School
General Surgery residency: Hadassah University
Obstetrics and Gynecology residency: George Washington University Medical Center
Reproductive Endocrinology and Infertility fellowship: Yale School of Medicine

Treatments & Specialties

IVF, PGT, egg freezing, fertility preservation for cancer patients, donor egg treatment, third-party reproduction, reproductive genetics, and LGBTQ+ family building.

Education and training

MD, Hebrew University–Hadassah Medical School

General Surgery residency, Hadassah University

OB/GYN residency, George Washington University Medical Center

REI fellowship, Yale School of Medicine

Awards and recognitions

Castle Connolly Top Doctor

American Society for Reproductive Medicine Star Award (2019)

Professional affiliations

Board certified in Obstetrics and GynecologyBoard certified in Reproductive Endocrinology and Infertility Island FertilityStony Brook MedicineRenaissance School of Medicine at Stony Brook UniversityZucker School of Medicine at Hofstra/NorthwellFormer board member, RESOLVE