He attained his medical degree at the prestigious David Geffen School of Medicine at UCLA. Since 2013, Dr. Tashjian has been fervently interested in health outcomes research and utilizing medical technology to continuously improve patient care. Dr. Tashjian's work has been highlighted in the Journal of Gastrointestinal Surgery, the Journal of Managed Care, Investigational Medicine, and his recent work on Virtual Reality has been broadcasted to millions of viewers on Bloomberg Television and Buzzfeed. Dr. Tashjian works alongside Dr. Brennan Spiegel, MD and the Center for Outcomes Research and Education (CORE) at Cedars-Sinai.