John Henretta, MD is a vascular surgeon at Asheville Radiology-Carolina Vascular. Dr. Henretta graduated from Medical School at the Medical College of Virginia and completed a Preliminary Internship and Residency in General Surgery at East Carolina University School of Medicine. Upon Residency graduation, Dr. Henretta completed Fellowships in Endovascular and Vascular Surgery at Southern Illinois University School of Medicine. Before joining the Carolina Vascular team, Dr. Douglas worked for Asheville Cardiovascular & Thoracic Surgeons, P.A. from 1999-2002.