Stephen C. Ellen, MD graduated from The University of Pennsylvania summa cum laude with a BA in the biological basis of behavior and then attended Harvard Medical School, where he received his MD degree in 1989.  He completed his adult psychiatry residency within the Harvard Medical School affiliated Cambridge Hospital before pursuing a fellowship in psychodynamic psychotherapy at The Austen Riggs Center in Stockbridge, MA, and a fellowship in electroconvulsive therapy at Columbia-Presbyterian Medical Center in New York City. His research interests have included psychopharmacology of the treatment-resistant ECT patient; reward pathways in the dopaminergic medial forebrain bundle; and molecular biology research at the National Institutes of Health.  He was Assistant Professor of Psychiatry at The University of Massachusetts Medical School from 1994-2003.  His clinical privileges were at Marlborough Hospital under The University of Massachusetts Medical School where he was an Assistant Professor of Psychiatry. His current hospital affiliations include Taunton State Hospital, Corrigan Mental Health Center, Pocasset Mental Health Center, and Brockton Multi-Service Center. He was Medical Director of The Counseling Center of Nashua/New England from 1994 – 2020 and Senior Staff Psychiatrist from November, 2020 – July, 2025.  He received his board certification from the American Board of Psychiatry and Neurology in 1997 and his recertification in 2007 and in 2017.

Dr. Ellen taught medical students from UMass Medical School during their third-year core clerkship in psychiatry at the Marlborough Hospital site from 1994 to 2003.  He is President and Medical Director of Berkshire On-Call Associates, a psychiatric consultant placement firm that currently has 47 psychiatrists working as DOCs and locum tenens during daytime, night and weekend shifts throughout Massachusetts.  

Dr. Ellen has given over 6,000 presentations to medical professionals at local, regional, and national meetings since 1999.  These have included large national CME programs (e.g., the 4-day Neuroscience Education Institute Global Psychopharmacology Congress and the 2-day weekend symposium-based NEI Academies with Stephen M. Stahl, MD, PhD;  CME LLC’s U.S. Psychiatric and Mental Health Congress;  psychCME weekend conferences and dinner meetings, i3CME conferences), hospital/medical center based CME presentations, Web-based speaker training meetings, regional consultant and speaker training meetings, teleconferences, physician office-based lunch presentations, and dinner programs.  Dr. Ellen’s presentations include a special focus on the practice of psychopharmacology in the treatment of bipolar disorder; remission in the treatment of major depression; anxiety disorders; treatment of psychotic disorders and challenges in schizophrenia including prolactinemia and metabolic issues; psychopharmacology in the ECT practice; diagnosis and treatment of energy and fatigue dysfunction in medical and psychiatric practices; the hypothalamic sleep-wake center; and advances in the understanding, diagnosis, and treatment of insomnia and sleep disorders.  Peer-reviewed publications have included articles in Clinical Psychiatry News, Drug Benefit Trends, and a CME LLC Web-based CME-eligible course.