Dr. Robert Klein received his B.A. degree in History from New York University in 1973 and his M.D. from New York Medical College in 1976. Following completion of his residency in Pediatrics at Beth Israel Medical Center in New York, Dr. Klein served as a Lieutenant Commander in the U.S. Navy Medical Corps. He completed his fellowship in Allergy-Immunology at Columbia-Presbyterian in New York City in 1984 and holds the position of Assistant Clinical Professor in the Division of Allergy at Columbia University College of Physicians & Surgeons, where he attends the Allergy Clinic. Dr. Klein is a Fellow of the American Academy of Allergy, Asthma & Immunology and the American Academy of Pediatrics. He has served as Past-President of the New Jersey Allergy, Asthma and Immunology Society and is currently the Historian for the New York Allergy and Asthma Society. Dr. Klein has been selected as an allergist in "Top Doctors-New York Metro Area", "Guide to America's Top Pediatric Specialists" and "U.S. News Top Doctors".