Dr. Bontempo is a hematologist and attending physician at several UPMC facilities, providing on-call services for hospital consultations and also seeing patients at the Hillman Cancer Center. Additionally, he sees patients for consultation of coagulation issues at the outpatient clinic of The Institute For Transfusion Medicine, provides coagulation interpretations of blood samples that are processed through the coagulation laboratory from across the tri-state region in assisting other physicians with test result interpretations, diagnoses, and treatment plans. He specializes in the treatment of myeloproliferative disease, a bone marrow disorder that can evolve into leukemia.

Dr. Bontempo is an Associate Professor of Medicine at the University Of Pittsburgh School of Medicine, Division of Hematology/Oncology. He is the Medical Director of the coagulation laboratory at The Institute For Transfusion Medicine, the Associate Director of the Hemophilia Center of Western Pennsylvania, and serves on the advisory board of the Hemostasis and Vascular Biology Institute. A prominent speaker in local, regional, and national forums, Dr. Bontempo is an educator and mentor to the many medical students, residents, and fellows that participate in the Coagulation Rotation which has become a standard course offering of the School of Medicine at the University of Pittsburgh.

A native of Beaver, PA, Dr. Bontempo received his medical training at Hahnemann Medical School in Philadelphia. He completed his internship at Montefiore Hospital in Pittsburgh, his residency at Hahnemann Hospital in Philadelphia, PA and his fellowship at the University of Pittsburgh School of Medicine.