Dr. Sabbagh received his Doctor of Medicine degree from Damascus University. He then completed an internal medicine internship and residency at St. Barnabas Hospital, an affiliate of Weill Cornell Medicine, in the Bronx, New York. Upon finishing the internship and residency, he completed a hematology-oncology fellowship at UPMC Hillman Cancer Center, previously the University of Pittsburgh Cancer Institute. He is Board-certified in both medical oncology and hematology. Dr. Sabbagh brings over 35 years of experience in medicine, focusing specifically on oncology since 2001.