Welcome to Vein Specialists of New York, the preferred medical practice focused on the treatment of abnormal veins and blood vessels of the legs, ankles, feet, hands and face. We bring the most accomplished specialists with experience in multiple techniques to obtain optimal results for each patient. Because of this, our procedures are more effective and provide superior cosmetic results. VSNY uses non-toxic medicines and avoids use of general and spinal anesthesia.
We invite you to experience our new, dedicated facility conveniently located near Grand Central Station and the Midtown Tunnel. To accommodate our patients' schedules, we offer extended office hours Monday, Tuesday and Friday, in a comfortable office setting.
Vein Specialists of New York was created by Dr. Ross Lyon in response to the clear need for high quality vein treatments outside the hospital setting. Dr. Lyon handpicked a team of the highest skilled professionals who focus solely on the diagnosis and treatment of vein problems. Dr. Lyon places the greatest importance on the comfort of his patients. The VSNY team is not only highly trained, but exceptionally friendly and caring. Our comfortable surroundings and compassionate medical professionals focus solely on our patients' health and comfort.

Ross T. Lyon, MD, FACS
Dr. Lyon is a board certified vascular and endovascular surgeon with over 20 years experience in the treatment of vein disorders. Dr. Lyon graduated from the prestigious Pritzker School of Medicine in Chicago with internships at Barnes Hospital, St. Louis, and the San Diego Medical Center at the University of California. His extensive experience includes 12 years as surgeon and associate professor of surgery at Weil-Cornell Medical Center/NY Presbyterian Hospital, attending surgeon at Memorial Sloan Kettering Cancer Center, New York Hospital and Jacobi Medical Center, and Director at Montefiore and Weiler Hospital, Non-Invasive Vascular Laboratories.
Board certified by the American Board of Surgery, Dr. Lyon is also a member of the American College of Surgeons, the New York Society of Cardiovascular Surgery, New York Surgical Society, Peripheral Vascular Society, Society of Vascular Technology and the Society of Diagnostic Medical Sonographers.
Dr. Lyon has written and contributed to over 50 articles and research papers and continues to contribute his experience and enthusiasm to improving the field of Vascular Medicine.
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Nicholas Diacou, RVT, RVS
Nicholas is a registered vascular technologist with a physics background. He developed special expertise in the evaluation of venous problems, especially venous insufficiency and varicose veins through his ultrasound training at Cornell Medical Center in New York. Nicholas' ultrasound exams are detailed and surpass the quality at many university-based hospital systems.
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Mary Kay Allen, Office Manager
Mary Kay's background combines business management and human resources. She is able to effectively advocate for our patients to optimize insurance benefits and her professional enthusiasm allows patients to feel comfortable while their medical problems are being treated. Mary Kay received her BS in Business Administration from the University of Connecticut.
Our highly skilled staff treats many vascular and endovascular problems. Following is a brief list of our most frequent procedures. If you don't see the information you are seeking, our friendly staff will be happy to answer any questions you have.
We specialize in treating:
-Lower Extremity Varicose Veins
-Spider Veins
-Abnormal Vessels of the Face and Temple
-Venous Ulcers
-Ruptured Veins
-Leg Swelling
Procedures performed include:
-Laser Ablation (EVLT)
-Ligation and Division
-Microphlebectomy
-Sclerotherapy
-Minimally invasive surgical incisions
-Venous ultrasounds