Stefanos Giannopoulos, MD

Stefanos Giannopoulos, MD RPVI, is a vascular surgeon at Stony Brook Southampton Hospital specializing in the diagnosis and treatment of diseases affecting the arteries and veins. His clinical expertise includes peripheral artery disease (PAD), carotid artery disease, aortic aneurysms, venous insufficiency, varicose veins, and deep vein thrombosis (DVT). He also provides dialysis access creation and management, including tunneled dialysis catheters, arteriovenous fistulas and grafts, as well as vascular evaluation and treatment of chronic, nonhealing wounds.

Dr. Giannopoulos has an extensive research background, having contributed to more than 100 peer-reviewed publications on vascular disease and treatment. His research focuses on arterial and venous diseases, aortic aneurysms, carotid artery disease, endovascular interventions, and techniques to improve circulation and preserve limbs.

His approach to patient care emphasizes minimally invasive endovascular treatments whenever appropriate, with traditional open surgery considered when necessary. Drawing on his clinical training and extensive research experience, Dr. Giannopoulos is committed to providing individualized, evidence-based care that helps patients achieve better vascular health and quality of life.