Dr. Cohen received his bachelor’s degree from Washington University in St. Louis. He went on to attain his medical degree at New York Medical College, where he received AOA academic honors and the Trustee Merit Scholarship for Academic Excellence. He completed his internship in general surgery and his residency in orthopedic surgery at Mount Sinai St. Luke's Roosevelt in New York City. Dr. Cohen went on to receive specialty training at the San Diego Knee and Sports Medicine Fellowship, where he trained in advanced arthroscopic surgery of the knee and shoulder.

In September of 2004, Dr. Cohen joined the faculty at Mount Sinai St. Luke's Roosevelt, where he is currently an attending physician. He also serves on the faculty at Columbia University College of Physicians and Surgeons as an assistant clinical professor. He serves on several committees, including the department of orthopedics education committee, the hospital-wide trauma committee and the continuing medical education committee.

From 2004-2009, Dr. Cohen served as the assistant team physician for the New York Yankees. Since 2004, he has also been the team physician for the Horace Mann School, in Riverdale, New York. He has published several papers and book chapters, with a particular emphasis on anterior cruciate ligament injuries and patellar dislocations. He has given several talks on injury prevention to endurance athletes across Manhattan. He is proficient in the arthroscopic treatment of knee and shoulder injuries. He has a particular interest in meniscal injuries, cartilage replacement techniques and ligament reconstruction of the knee. He has also extensive experience with shoulder injuries, including, rotator cuff tears, labral injuries and arthritic conditions of the shoulder.