Steven Allen is the director of The Center for Advanced Vein Therapy in Huntingdon Valley, Pa and specializes in interventional radiology, endovascular surgery and cutting-edge vein procedures. Dr. Allen is the only vein specialist in the entire region that has been on the faculty of all four medical schools in Philadelphia and one osteopathic school in New Jersey. To date he has evaluated and treated over 4000 patients for their venous problems.