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23 years of experience
Accepting new patients
License & Identifications

A medical license is required for a doctor to practice medicine in a particular state. Requirements vary by state but most require, at a minimum, post-graduate training in the doctor’s specific specialty. An NPI number is a national identifier unique to an individual health care provider and is managed by the Center for Medicare & Medicaid Services (CMS).

Patient Reviews

Patient comments (9)

The overall average patient rating of Dr. Stephen Ellen is Good. Dr. Ellen has been reviewed by 33 patients who have provided 9 comments. The rating is 4 out of 5 stars.

Patient Ratings
Ease of Appointment 4.2
Promptness 3.3
Courteous Staff 4.6
Accurate Diagnosis 4.3
Bedside Manner 3.7
Spends Time with Me 4.0
Follows Up After Visit 4.2

Specialties & Research

Dr. Stephen Ellen, MD is board certified in Psychiatry.

  • He has special expertise in 8 areas:
  • Attention Deficit Disorder (ADD) / Attention Deficit Hyperactivity Disorder (ADHD)
  • Bipolar Disorder / Manic Depressive Disorder
  • Depression
  • Depressive Disorder
  • Insomnia
  • Psychotherapy
  • Schizophrenia
  • Sleep Disorders

Education & Awards

Dr. Ellen graduated from Harvard University , Boston. He has 2 awards.

Patients' Choice Award (2010)
Compassionate Doctor Recognition (2010 - 2011)


Dr. Ellen has 6 hospital affiliations:

  • Marlborough Hospital 
  • Tewksbury Hospital 


  • Spanish

> > > > Dr. Stephen Ellen, MD

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Additional Information
Dr. Stephen Ellen MD is a male Psychiatrist, has 23 years of experience and practices in Psychiatry.
Where does Dr. Stephen Ellen practice?
Dr. Stephen Ellen has 1 office location.
Dr. Stephen Ellen practices Psychiatry near Nashua, NH.
See Nashua Psychiatrists.