Dr. Wittmann is a licensed, board certified psychiatrist who received his MD at Washington University in St. Louis. He completed his residency training at the Massachusetts General Hospital (MGH)/Mclean Hospital combined program. He served as the MGH Administrative Chief Resident and the MGH Consultation-Liaison Chief Resident during his training. Dr. Wittmann maintains a private practice in Cambridge and provides psychopharmacology, psychotherapy, combined treatment, and consultation. He is an instructor in psychiatry at Harvard Medical School and works in the MGH Bipolar Clinic and Research Program and the psychiatric emergency department at MGH. His clinical specialization includes mood and anxiety disorders as well as co-occurring medical and psychiatric illnesses.