Dr. Cosin earned his medical degree at New York Medical College and completed his residency in Obstetrics and Gynecology at Baystate Medical Center. He was a Galloway Fellow at the Department of Gynecology at Memorial Sloan-Kettering Cancer Center, and a Fellow in Gynecologic Oncology at the University of Minnesota. Dr. Cosin is Board Certified by the American Board of Obstetrics and Gynecology, and in the ABOG subspecialty of Gynecologic Oncology.
He is currently an Associate Professor of Obstetrics and Gynecology at Georgetown University. He is a fellow of the American College of Obstetricians and Gynecologists the American College of Surgeons, and the American Society of Clinical Oncology. He is also Principle Investigator of the Gynecologic Oncology Group at Washington Hospital Center. Dr. Cosin was also awarded Best Doctors between 2005-2011 by Washingtonian Magazine.