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Our Expert Team

For more information about our physicians or to schedule an appointment:
Call 1-855-Rex Vein (1-855-739-8346)

Dr. Dorian deFreitas

Dorian J. deFreitas, M.D. is a vascular surgeon with additional fellowship training in endovascular therapy. He graduated from medical school at National University of Ireland, Galway and completed his internship at University College Hospital Galway. Dr. deFreitas did his surgical residency at East Carolina University and a cardiovascular research fellowship at East Carolina Cardiovascular Institute. He completed fellowship training in vascular surgery and endovascular therapy at Emory University Hospital in Atlanta.Dr. deFreitas is a member of the American Medical Association and a member of the candidate group with the American College of Surgeons, Society for Vascular Surgery and the Peripheral Vascular Surgical Society. He is board certified in general and board eligible in vascular surgery. 

Bobby R. Mendes, M.D. is Chief of Vascular Surgery at Rex Healthcare and Medical Director of Rex Vascular Surgical Specialists. Dr. Mendes graduated from the University of Miami School of Medicine and completed his residency in general surgery and fellowships in Vascular Surgery and Interventional Radiology at the University of North Carolina Hospitals. After completing his fellowships, he took a position as Medical Director of Vascular Services at University Hospital in Augusta, Ga. He also served as the Medical Director for the Harry T. Harper School of Cardiac and Vascular Technology in Augusta. He is Board Certified by the American Board of Vascular Surgery and American Board of General Surgery.

David C. Powell M.D., F.A.C.S., R.P.V.I. is a surgeon with Rex Surgical Specialists focusing on peripheral vascular surgery and venous disease. Dr. Powell earned his undergraduate and medical degrees at the University of North Carolina at Chapel Hill. He went on to complete his residency at the University of Kentucky. Dr. Powell is a Registered Physician in Vascular Interpretation (RPVI). He is one of 10 physicians in North Carolina to hold Registered Physician in Vascular Interpretation (RPVI) certification and is currently providing VNUS closure for the treatment of varicose veins.

David A. Smith, M.D. is a surgeon with Rex Surgical Specialists focusing on vein treatment. Dr. Smith received his undergraduate degree from the University of Vermont and earned his medical degree from Boston University School of Medicine. He is a Diplomate with the American Board of Surgery.

S. Wayne Smith, M.D., F.A.C.P., F.S.V.M. is Founder and Medical Director of the Rex Peripheral Vascular Laboratory. He specializes in diagnostics and treatment of venous disease. Dr. Smith is a graduate of The School of Medicine of The University of North Carolina and has over 35 years of experience as a practitioner, educator and leader in the field of vascular medicine. He is a clinical professor of medicine at UNC and is board certified in vascular medicine and internal medicine. Dr. Smith is also active in clinical research, currently focusing on deep vein thrombosis and pulmonary emboli.

Seth M. Weinreb M.D., F.A.C.S. is a surgeon with Rex Surgical Specialists focusing on vein treatment. Dr. Weinreb completed his undergraduate education at Yale University, earned his medical degree at Harvard University, and completed his internship and residency at Emory University in Atlanta. Dr. Weinreb is an active member Society for Vascular Ultrasound, serves as the vice chairman of the Rex Hospital Department of Surgery, and is an assistant clinical professor in the Department of Surgery at UNC School of Medicine.