Dr Brownstein has been in practice for almost 30 yrs and has been located on the North Shore in Manhasset for this time. He was born on Long Island and resides there ever since.He earned his B.A. degree from Suny Binghamton in Biochemistry in 1982. He graduated NYU School of Dentistry in 1986 where he earned his D.D.S. degree. He did his general practice residency at Long Island Jewish Medical Center and then did his specialty training at Nassau County Medical Center and earned his degree in Endodontics in1989. He has published many articles in the field of Endodontics and was one of the first to utilize Digital Radiography in New York. He has appeared on Cablevision to discuss this topic. Dr Brownstein has one son, Harris and enjoys sports, weight training and automobiles.