Therapist in Portsmouth, New Hampshire Tristram Dashti-Gibson, Therapist

Licenses: MS, LCMHC

Provider Gender: Male

Ages Served: 11-65+

Appointments: In-office only. Telehealth not available

Manages Medications: No, provides therapy only

Therapist in Portsmouth, New Hampshire Tristram Dashti-Gibson, MS, LCMHC

Tristram Dashti-Gibson, MS, LCMHC

Tris Dashti-Gibson is a licensed mental health counselor in New Hampshire and in Maine. First licensed in Indiana in 1999, he attended Indiana University for an MS in Counseling and worked for several years with adolescents in residential treatment recovering from childhood abuse.

During the past 20 years Tris has developed a focus helping diverse people with complex trauma, relationships, addiction/recovery, and couple issues – in addition to mental health issues like depression and anxiety. He aims to help people adjust and experience personal growth while overcoming all kinds of challenges during new phases of life.

Tris takes an integrative, relational, and growth-oriented approach to therapy. He has received in-depth training in family/couple therapy, trauma therapy (including EMDR), and currently Accelerated Experiential Dynamic Psychotherapy (AEDP).

In his free time Tris enjoys walks in the woods, reading, meditating, and family time, including lots of affection for 2 family cats!

Insurances Accepted

  • Aetna
  • Carelon (Beacon)
  • Community Health Options (CHO)
  • ComPsych
  • Elevance Health (Anthem BCBS)
  • Humana
  • 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


  • Acceptance and Commitment Therapy (ACT)
  • Cognitive Behavioral Therapy (CBT)
  • Couples/Marital Counseling
  • Exposure Therapy
  • Eye Movement Desensitization and Reprocessing (EMDR)
  • Family Therapy
  • Mindfulness
  • Parenting Skills


  • LGBTQ+


  • English



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

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