Dr. J. Mark Rheudasil graduated magna cum laude from Abilene Christian University in Texas and he earned his medical degree from the University of Texas Southwestern Medical School in Dallas in 1983. He completed a general surgery internship and residency program at Emory University in Atlanta, Georgia. Dr. Rheudasil also completed a fellowship in vascular surgery at Emory University in 1989.

Dr. Rheudasil is a diplomat of the American Board of Surgery and is a board certified vascular surgeon. He is a Fellow of the American College of Surgeons and a member of the International Society for Cardiovascular and Endovascular Surgery, and the North American chapter of the International Society for Cardiovascular Surgery. He is also a member of the Peripheral Vascular Surgery Society, the Southern Association for Vascular Surgery, the Emory Association of Vascular Surgery, the Atlanta Vascular Society, and the Georgia Surgical Society. He is also a member of the Medical Association of Georgia, the Medical Association of Atlanta, and the Atlanta Clinical Society. He is also certified as a Registered Vascular Technologist.

Dr. Rheudasil has published articles in several medical journals including The Journal of Vascular Surgery. He has lectured at the regional and national level on related topics including a review of current trends in vascular surgery.

Dr Rheudasil is an active member of the medical staff at St. Joseph's and Northside Hospitals. He is the current Chief of the Department of Surgery at St. Joseph's and a former Chief of the Department of Surgery at Northside Hospital. He is also Co-Director of the vascular laboratory at Northside Hospital

In 1998, Dr. Rheudasil and Dr. Mark Mittenthal opened the Vein Center of Georgia specializing in sclerotherapy and IPL, intense pulsed light technology for the treatment of spider veins, sunspots, age spots, birthmarks, unwanted hair and facial telangectasis. Dr. Rheudasil has been in private practice in Atlanta for 17 years.