About The Provider Meet Clifton Hastings, III, MD, FACS of NGPG Cardiovascular and Thoracic Surgeons. Dr. Hastings began practicing medicine in his hometown of Gainesville, GA since 2006. Prior to that, he had a private practice in Charlotte, NC for almost 20 years. Dr. Hastings enjoys vascular surgery because of the immediacy of results from treatment. To Dr. Hastings, the best aspect of practicing medicine is being able to meet patients, their families and bring relief in their time of need.