Dr. Boyajian is Vice Chairman of Radiology for Lower Manhattan, where he serves as Clinical Director of the Department of Radiology at NewYork-Presbyterian / Lower Manhattan Hospital, and Lead Physician of Weill Cornell Imaging's 53 Beekman Street practice. He also serves as Chairman of the Quality Improvement and Patient Safety Committee for Weill Cornell Imaging at NewYork-Presbyterian.

He is a graduate of Harvard University, having earned there the degrees Artium Baccalaureus summa cum laude in Biochemical Sciences, and Doctor of Medicine. He completed internship in Internal Medicine at Mount Auburn Hospital in Cambridge, Mass.; residency training in Diagnostic Radiology at NYP / Weill Cornell Medical Center, serving as Chief Resident during that time; and fellowship training in Magnetic Resonance Imaging (body and musculoskeletal), also at Weill Cornell Medical Center. He is certified to practice Diagnostic Radiology by the American Board of Radiology.

In July 2010, Dr. Boyajian joined the full-time faculty of Weill Cornell Medical College. During his tenure, he has garnered a reputation for clinical excellence in a broad array of imaging modalities, with subspecialty focus in abdominal, musculoskeletal, and emergency imaging. Leadership of efforts to enhance quality, safety, and the patient experience, has been a hallmark of Dr. Boyajian's career, and he has developed and implemented numerous initiatives within the Department and more broadly throughout the NYP enterprise. He has been an invited lecturer at international conferences in his areas of clinical expertise and administrative leadership.

Dr. Boyajian is a member of the American College of Radiology, the Radiological Society of North America, and the American Roentgen Ray Society. In 2026, he will be named a Fellow of the American College of Radiology, a prestigious distinction recognizing his clinical contributions and leadership in the field.