About New York Vascular Group Since it's founding, New York Vascular Group has been dedicated to providing professional medical and surgical vascular care. New York Vascular Group is affiliated with The Vascular Experts; the largest independent group of Board-certified vascular surgeons in the country. At New York Vascular Group, our Board-certified vascular surgeons are proud to provide comprehensive, state-of-the-art care for all your vascular needs in Cornwall, NY.