vein centers : Vein Clinic Long Island offers the latest minimally-invasive treatments such as Sclerotherapy, EVLT Laser, Radiofrequency Ablation, and VenaSeal for varicose vein treatment and spider vein treatment in Lindenhurst, Jericho, and Roslyn Heights, Long Island. Book your appointment today to meet our Varicose Vein Doctors and Spider Vein Specialists.