John T. Barrett, MD, PhD

Interim-Chair, Radiation Oncology   
Professor of Radiation Oncology


Dr. John Barrett is currently the interim chair for the Medical College of Georgia's Department of Radiation Oncology. Known as a strong advocate for his patients and concerned with not only providing the best of care, but communicating effectively with patients and their families.  He is an enthusiastic proponent of an interdisciplinary approach to cancer care.  He makes it a point to communicate effectively with the Georgia Cancer Center treatment team.  He received his medical degree and PhD from University of South Carolina, Columbia, SC in 1985.  He then completed his PhD and completed his residency at the National Cancer Institute, Bethesda, MD. Prior to that, he completed internal medicine residency at McGraw Medical Center of Northwestern University, Chicago, IL and started as a hematology/oncology fellow for a year and then shifted to radiation oncology.  Dr. Barrett has participated in translational and cooperative group trials.