Marcos Kornstein, MD, was born and raised in Argentina. He attended medical school at National University of Cordoba in Argentina. After moving to the United States, he completed his internship at Westchester County Medical Center in New York and his residency in obstetrics and gynecology at Beth Israel Medical Center. He then went on to a clinical research fellowship in maternal fetal medicine and high risk obstetrics at the Nassau County Medical Center. Dr. Kornstein has been in practice since 1977 and has been on staff at Palms West Hospital since 1998. He became board certified in 1979 and has been a fellow in the American College of Obstetrics and Gynecology since 1981. Because of his commitment to continuing education, Dr. Kornstein has voluntarily re-certified with the American Board of OB/GYN every year since 1995.