Dr. Britt H. Tonnessen

An internationally recognized vascular surgeon and vein specialist, Antonios P. Gasparis, MD, FACS serves as System Chief for Ambulatory Vascular and Vein Program at Northwell Health. Dr. Gasparis completed his residency in General Surgery at SUNY Syracuse, followed by a fellowship in Vascular Surgery at SUNY Stony Brook. He was on the faculty at Stony Brook from 2003-2023 and Professor of Surgery. During his tenure, he held multiple administrative positions and developed an internationally recognized venous program. Dr. Gasparis has been on the Board of several national organizations and is the Past-President of the American Venous Forum, the premier national society on venous disease. He is a true educator, running multiple educational programs in venous disease. He is a researcher and innovative surgeon who cares deeply for his patients and their families. Dr. Gasparis is rated as a Distinguished provider by MediFind in the treatment of Venous Insufficiency. His top areas of expertise are Varicose Veins, Venous Insufficiency, Pelvic Congestion Syndrome, Deep Vein Thrombosis, and Angioplasty.

Antoine Ferneini is a Vascular Surgeon in North Haven, Connecticut. Dr. Ferneini is rated as a Distinguished provider by MediFind in the treatment of Venous Insufficiency. His top areas of expertise are Stasis Dermatitis and Ulcers, Venous Insufficiency, Varicose Veins, Arterial Embolism, and Carotid Artery Surgery.

Paul Gagne is a Vascular Surgeon in Darien, Connecticut. Dr. Gagne is rated as a Distinguished provider by MediFind in the treatment of Venous Insufficiency. His top areas of expertise are Venous Insufficiency, Thoracic Aortic Aneurysm, Abdominal Aortic Aneurysm (AAA), Thrombectomy, and Stent Placement.