Stephen Ellen, MD

Serving: 18+

About Stephen Ellen, MD

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 in 1989. He completed his adult psychiatry residency within the Harvard system at The Cambridge Hospital before pursuing a fellowship in psychodynamic psychotherapy at The Austen Riggs Center in Stockbridge, Massachusetts and a fellowship in electroconvulsive therapy at Columbia-Presbyterian Medical Center in New York City. He was Assistant Professor of Psychiatry at The University of Massachusetts Medical School with clinical privileges at Marlborough Hospital, a community hospital within the statewide University of Massachusetts healthcare system from 1994 - 2003. 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 received his board certification from the American Board of Psychiatry and Neurology in 1997 and his recertification in 2007.

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 30 psychiatrists working as DOCs during night and weekend shifts throughout Massachusetts. He is Medical Director and senior staff psychiatrist of The Counseling Center of Nashua in Nashua, N.H., the largest private group practice in New England with more than approximately 125,000 patients treated since 1990. His clinical practice at The Counseling Center of Nashua consists of outpatient psychopharmacology, psychotherapy, and sleep medicine. He is a sleep disorder specialist.

Dr. Ellen has given over 2,600 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 special focus on the practice of psychopharmacology in the treatment of depression; remission in the treatment of major depression; anxiety disorders; bipolar disorder; 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. Recent peer-reviewed publications on the topics of sleep medicine, insomnia, and the treatment of energy and fatigue dysfunction have included articles in Clinical Psychiatry News, Drug Benefit Trends, and a CME LLC Web-based CME-eligible course on the herbal, FDA unapproved, FDA approved, and novel treatments of insomnia.


  • Addictions
  • Anger
  • Anxiety
  • Attention Deficit Disorder
  • Bipolar Disorder
  • Depression
  • Grief/Loss
  • Habit Disorders
  • Hoarding
  • OCD
  • Panic
  • Phobias
  • Post Partum Depression
  • PTSD
  • Substance Abuse (Alcohol, Marijuana, etc)
  • Locations

    Nashua Main

    1 Main Street
    Nashua, NH 03064


    • Aetna
    • Anthem
    • Beacon GIC
    • Blue Cross Blue Shield
    • Cigna
    • First Health
    • Harvard Pilgrim
    • Multi Plan
    • Tricare
    • Tufts
    • United Behavioral Health/Optum
    • US Family
    • Value Options/Beacon Health