Dr. John Allen earned his medical degree from Mercer University School of Medicine in Savannah, Georgia. He completed a residency in General Surgery at Memorial Health University Medical Center in Savannah. In addition, he completed a fellowship in Advanced GI/MIS/Bariatric Surgery at the University of South Carolina School of Medicine-Greenville in Greenville, South Carolina.
His fellowship training consisted of complex abdominal wall reconstruction utilizing advanced robotic techniques as well as in-depth bariatric training. While a resident at Memorial University Medical Center, he was recognized as the Outstanding Resident of the Year. In addition, he was awarded the Resident as Teachers Fellowship, which is only presented to two residents each year. He was co-chair of the Fundamentals of Endoscopic Surgery Curriculum, responsible for establishing and implementing the curriculum for endoscopic training required by the American College of Surgeons.
Dr. Allen is a member of the American College of Surgeons, Georgia Society of the American College of Surgeons, American Hernia Society, Society of American Gastrointestinal and Endoscopic Surgeons (SAGES), and the American Society of Metabolic and Bariatric Surgery (ASMBS).