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Margaret Callahan, MSN

I am a Board Certified Clinical Nurse Specialist in Adult Mental Health. My current practice includes outpatient Medication Evaluation and Management .

Speciality Areas

Depressive Disorders, Grief and Loss, ADHD


  • BA, UMass
  • MA, Boston College
  • RN, MSN, MGH Institute of Health Professions


  • Adult Mental Health - Board Certified