Education
Dr. Orr graduated from Vanderbilt University Medical School in 1978. After training in internal medicine at Vanderbilt University Hospital, he completed a fellowship in medical oncology at the Johns Hopkins Oncology Center, 1983.
Accolades & Memberships
Phi Beta Kappa; member of the American College of Physicians, American Society of Clinical Oncology, Society for Biological Therapy, and Texas Society of Medical Oncology.