Well-being is within reach.

Stressed? Worried? Unhappy? When you are considering professional therapy for yourself or your child, you want to talk to someone trustworthy and knowledgeable. A good friend can listen, but a psychologist has the skills and professional training to help you learn to manage your stress and emotions when you're feeling overwhelmed.

Dr. Forbes is an experienced Licensed Clinical Psychologist skilled in Cognitive Behavioral Therapy (CBT), Group Therapy, Crisis Intervention, Gender Affirming Care and Family Therapy.

She provides specialized psychotherapy for youth and adults that may be struggling with:

Family Stress
Depression
Anxiety
Trauma & PTSD
Gender Identity
Sexual Identity

Other Issues:

Autism Spectrum
Bipolar Disorder
Coping Skills
Depression
Grief
Life Transitions
Parenting
Peer Relationships
Relationship Issues
Self Esteem
Stress
Suicidal Ideation
Women's Issues

Services

Phone: 603-828-2445
(Free 15 minute consultation)

Email: drcforbes@therapyemail.com

In-person location: Portsmouth, NH
Telehealth: NH, ME, CA and PSYPACT states (https://psypact.gov/page/psypactmap)

You deserve to be seen, valued, and understood. I provide psychotherapy that integrates evidence-based CBT with a deep commitment to social justice, trauma recovery, and affirming care. I work with youth and adults 12 and older, as well as their family members when appropriate.

Following WPATH standards, I conduct assessments for gender affirming medical and surgical interventions.

I am also available for professional consultation and training.

I do not accept insurance directly, but as an out of network provider I can provide a superbill for you to submit to your insurance provider. They will reimburse you according to your benefit plan.

My session fee is $175. Cash, check and all major credit cards accepted. Payment is due at time of service unless other arrangements have been made.

About Dr. Forbes

Licensed Psychologist:

PSY1480, New Hampshire
PS1599, Maine
PSY20540, California

PSYPACT 20913

Catherine earned her Ph.D. in clinical psychology from the George Washington University in Washington, DC. She completed an APA-accredited predoctoral internship and a two-year APA accredited post-doctoral fellowship in adolescent mental health, specializing in working with adolescents, young adults, and their families from diverse economic and cultural backgrounds. In addition, she developed gender affirming care expertise, training and working with a world renowned gender clinic for more than 15 years.

Experience

Licensed Clinical Psychologist, Private Practice, Portsmouth, NH 2022 - present

Autism Assessment Psychologist, Prosper Health, 2025 - present

Adjunct Faculty, Alliant International University, 2022 - 2023

Senior Psychologist and Outreach Coordinator, University of New Hampshire (UNH), 2019 - 2022

Licensed Clinical Psychologist, Private Practice, La Cañada Flintridge, CA 2013 - 2019

Licensed Clinical Psychologist, Children’s Hospital Los Angeles (CHLA), Los Angeles, CA, 2005 – 2019

Education

Smith College, Northampton, MA, B.A., 1993

The George Washington University, Washington, DC, Ph.D. Clinical Psychology, 2003

Didi Hirsch Community Mental Health Center, Culver City, CA
APA Predoctoral Internship, 2002 –2003

Children's Hospital Los Angeles, Los Angeles, CA
APA Postdoctoral Fellowship, 2003 - 2005

Certifications

Seeking Safety, 2015

Diplomate, The Academy of Cognitive Therapy, 2015

Trauma Focused Cognitive Behavioral Therapy, 2010

Society Memberships

American Psychological Association

APA Division 44: Society for the Psychology of Sexual Orientation and Gender Diversity

Maine Psychological Association

New Hampshire Psychological Association

National Register of Health Service Psychologists

World Professional Association of Transgender Health (WPATH)

United States Professional Association of Transgender Health (USPATH)

Select Publications and Presentations

Forbes, C., Mounier, C., & Venema, K. (in press) LGBTQ+ Youth Experiencing Homelessness. In C.L. Magalhães, R. Sprott, & G.R. Rider (Eds.) Mental Health Practice with LGBTQ+ Children, Adolescents, and Emerging Adults in Multiple Systems of Care. Rowman & Littlefield.

Reguitti, V., Poquiz, J. L., Jackson, K., Coyne, C. A., Hidalgo, M. A., Forbes, C., & Chen, D. (2022). Preliminary factor structure of the Parental Attitudes of Gender Expansiveness Scale for Parents (PAGES-P). Clinical Practice in Pediatric Psychology, 10(1), 1.

Forbes, C., Hidalgo, M., Chen, D., & Jondle, B. (2017 February) Parent support of transgender youth: Development of a clinical and research measure. Presented at: Inaugural USPATH Scientific Conference, UCLA, Los Angeles, CA.

Forbes, C., Diep, H., & Clark, L. (2016) Positive attributes and risk behaviors in young transgender women. Psychology of Sexual Orientation and Gender Diversity, 3(1), 129 - 134.