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Stephen Lazarou, MD

Dr. Stephen Lazarou

Dr. Stephen Lazarou is certified by the American Board of Urology with additional Harvard fellowship training specializing in Men’s Health including Male Infertility and Sexual Dysfunction. He is a Clinical Instructor of Urology at Harvard Medical School.

Dr. Lazarou is Chief of Andrology at Boston IVF, one of the largest IVF centers in the United States. He is an Active Staff Member at Mass General Brigham Newton-Wellesley Hospital, Beth Israel Lahey Health, New England Baptist Hospital, and works in conjunction with Massachusetts General Hospital. He also works closely with fertility groups in New England and throughout the country to provide optimal care to men and their partners.

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Dr. Lazarou specializes in treating all aspects of sexual and reproductive medicine. His expertise includes vasectomies and reversals, severe male factor infertility as well as fertility preservation for men with cancer. He also treats men with low testosterone symptoms and sexual dysfunction. He is also one of the few urologists in the U.S. trained in advanced microsurgery of the male reproductive system.

Furthermore, Dr. Lazarou lectures nationally and internationally on various topics in male reproductive and sexual medicine before medical and patient groups. He has published several medical articles and co-authored a book chapter on the effect of advancing age on male reproduction.

Dr. Lazarou belongs to numerous professional organizations such as the American Urological Association, the Sexual Medicine Society of North America, the American Society of Reproductive Medicine, the New England Fertility Society, and the Society for the Study of Male Reproduction.

Dr. Lazarou sees patients at his primary office conveniently located in Wellesley Hills, MA. To optimize convenience for patients, he also sees patients in Boston and Waltham, MA.

Dr. Lazarou has been listed as one of Boston Magazine's Top Docs for the years 2020, 2021, 2022, 2023 and 2024.


Harvard Medical School
Beth Israel Lahey Health
Newton-Wellesley Hospital
New England Baptist Hospital
Mass General Brigham