Dr. William Buchanan Erb specializes in physical therapy in Bethpage area. Dr. William Buchanan Erb has a medical practice at 4250 Hempstead Turnpike, Suite 1, Bethpage NY, and has over 5 years of experience in the field of medicine. He graduated from his medical school with his medical degree in 2012. Dr. Erb is accepting new patients at his medical office and practice location in Bethpage, New York. He is available for appointments, preventative care, medical care as well as ongoing patient care.