Dr. Hagin received his medical degree from Mount Sinai School of Medicine where he graduated with honors in Medicine and Psychiatry. He completed an internship and an Internal Medicine Residency at Kaiser Medical Center and a fellowship in Hematology/Oncology at the University of Arizona Health Science Center. Dr. Hagin is board-certified in Internal Medicine and Medical Oncology. Dr. Hagin is a member of the American Academy of Hospice Physicians, American Society of Clinical Oncology and a former member in the United States Naval Reserves.