LifeStance Health

Formerly Chestnut Hill Counseling Associates - Portsmouth Islington

Office address

539 Islington Street
Suite 4
Portsmouth, New Hampshire 03801

Hours of operation

  • Monday8:00AM-6:00PM
  • Tuesday8:00AM-6:00PM
  • Wednesday8:00AM-6:00PM
  • Thursday8:00AM-6:00PM
  • Friday8:00AM-6:00PM
  • SaturdayClosed
  • SundayClosed
  • Meet Our Providers

    We understand that finding the right provider for your specific needs is important. We have over 100 highly trained and specialized behavioral health professionals who provide premier care for all ages.

    Tristram Dashti-Gibson, LCMHC

    Personality Disorders, Couples/Marital, Substance Abuse (Opiod, Cocaine, etc), and 32 more.

    Erika Wilson, MD

    Gender Identity, Holistic Interventions, Body Image, and 19 more.

    George Nowak, MD

    PTSD, Attention Deficit Disorder, Substance Abuse, and 3 more.

    Kim Cardinal, LCMHC

    Gender Identity, Military, Faith Based Treatment, and 19 more.

    Gregory Lennox, LCMHC

    Occupational: Firefighter, Substance Abuse (Opiod, Cocaine, etc), Solution-Focused Therapy, and 8 more.

    Dawna Conversano M.Ed, CAGS, LCMHC

    Attention Deficit Disorder, Family Counseling, Anger, and 8 more.

    Lori Santana, LICSW

    Family Counseling, OCD, Trauma & Trauma CBT, and 22 more.
    Not sure which of our providers is right for you? Give us a call!

    Getting to our LifeStance Health - Portsmouth Islington Therapy Clinic

    LifeStance Health - Portsmouth Islington features some of the top therapists and psychiatrists in Portsmouth, New Hampshire. We provide a variety of behavioral health services to treat many different mental health conditions.

    Directions to Chestnut Hill Counseling Associates - Portsmouth Islington

    1) Head northwest on US-1 BYP N
    2) Turn right onto Cottage St
    3) Turn right onto Cate St
    4) Turn right onto Bartlett St
    5) Turn left onto Islington St
    6) Turn left after Dunkin'(on the left)
    7) Destination will be on the right

    Stress Management

    Although everyone can except some stress in their daily lives, it can sometimes take over other healthy emotions and become too burdensome to manage.


    PTSD is a psychiatric illness that some people develop following a traumatic event. Symptoms include flashbacks, anger, avoidance, and intrusive thoughts.

    Panic Attacks

    Panic attacks are short, intense events in which patients experience overwhelming feelings of dread, increasing heart rates, difficulty breathing, or trembling.

    Obsessive Compulsive Disorder

    Obsessive-Compulsive Disorder (OCD) is a kind of anxiety disorder that causes patients to obsess over relatively mundane aspects of life.

    Low Self-Esteem

    A person’s self-esteem level describes how they feel about their behaviors, body, values, and overall worth. It is sometimes called self-worth.

    Grief Counseling

    Grief is a strong, emotional, and natural reaction to a significant loss. People who are grieving may feel overwhelmed by sadness or loneliness.


    Although it affects each person differently, depression generally causes feelings of hopelessness and loss of interest in daily life.

    Bipolar Disorders

    Bipolar disorder is a mental illness in which patients experience periods of mania followed by episodes of depression. It is also a form of depression.

    Autism Spectrum Disorders

    ASD is a type of developmental disability that affects the way patients experience relationships, communicate with others, and behave in certain situations.

    Anxiety Disorders

    Generalized Anxiety Disorder (GAD), panic attacks, OCD and agoraphobia are some of the primary types of anxiety.

    Anger Management

    Anger management is a type of therapy that teaches patients to control their tempers and cope with stressors.


    ADHD is a mental health disorder that causes several problems with cognitive functions such as memory and concentration