Psychologist and Therapist in Nashua, New Hampshire Johanna Lewis, Psychologist

License: PhD

Provider Gender: Female

Ages Served: 6-65+

Appointments: In-office and Telehealth

Manages Medications: No, provides therapy only

Psychologist and Therapist in Nashua, New Hampshire Johanna Lewis, Ph.D

Johanna Lewis, Ph.D

Dr. Lewis is a licensed clinical psychologist with expertise in working with children, adolescents, adults, and their families. She received her Ph.D. in clinical psychology from the Department of Clinical and Health Psychology, Shands Teaching Hospital, at the University of Florida. Dr. Lewis’s past positions include a clinical fellowship at the Department of Psychiatry, Children’s Hospital/Harvard Medical School in Boston, Massachusetts, and a postdoctoral research fellowship at the Center for Alcohol and Addiction Studies, Brown University where she also received postdoctoral clinical training at Hasbro Children’s Hospital in Providence, Rhode Island. Dr. Lewis published and presented original research at national and international scientific meetings. Dr. Lewis is licensed to practice in New Hampshire, and is a member of the Association for Behavioral and Cognitive Therapies, Tourette Syndrome Association, and the International Obsessive Compulsive Disorder Foundation.

Dr. Lewis uses a cognitive-behavioral approach, including exposure and response prevention, in her treatment of children, adolescents, and adults. Her specialty is in the area of obsessive-compulsive behaviors and tic disorders; she received specialized training in exposure and response prevention (E/RP) from the International Obsessive Compulsive Disorder Foundation, and in the Comprehensive Behavioral Intervention for Tics (CBIT) by the Tourette Syndrome Association. She also received specialized training in the treatment of body focused repetitive behavior disorders including trichotillomania and excoriation disorder. Dr. Lewis works with patients struggling with anxiety disorders.

Insurances Accepted

  • Aetna
  • Carelon (Beacon)
  • Community Health Options (CHO)
  • ComPsych
  • Elevance Health (Anthem BCBS)
  • Evernorth (Cigna)
  • Humana
  • MediNcrease Health Plans (MHP)
  • MultiPlan (PHCS)
  • Optum (UnitedHealthcare)
  • Partners Direct Health
  • Provider Network of America (PNOA)
  • Sana Benefits
  • Tricare East (Humana Military)
  • Tufts
  • US Family/Martin Point Health Plan


  • Cognitive Behavioral Therapy (CBT)
  • Exposure Therapy
  • Mindfulness


  • English



Please use our online form to schedule an appointment with Johanna Lewis. You can also call 603-689-7890 to have someone assist you.

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