ADHD: Medical Problem, Discipline Problem or Teaching Problem? Rae Pica and Dr. Adesman and Dr. Peter Breggin Dr. Andrew Adesman received his Doctorate of Medicine from the University of Pennsylvania. In addition to Board certification in Pediatrics, Dr. Adesman is Board certified in Neurodevelopmental Disabilities and also Developmental & Behavioral Pediatrics. Peter R. Breggin, M.D. is a psychiatrist in private practice in Ithaca, New York, where he treats individuals, couples, and families with children. He is the author of more than twenty books, including Talking Back to Ritalin, the Ritalin Fact Book.