accepting new patients for adhd evaluations & therapy. Free 15-Minute consultation
About KT Psychology Group
KT Psychology Group, led by Dr. Krysti Nguyen, offers compassionate, evidence-based mental health care in Orange County, the Inland Empire, and via telehealth in California. ADHD evaluation for adults and adolescents.
Our Mission
Our Vision
We focus on building resilience and emotional wellness through personalized, professional psychological services.
About KT Psychology Group
Clarity for the Mind. Compassion for the Heart.
KT Psychology Group, P.C. is dedicated to providing evidence-based psychological care for children, adolescents, and adults. Our practice specializes in comprehensive psychological assessment and therapy to help individuals better understand their mental health, overcome challenges, and reach their full potential.
We believe that meaningful change begins with understanding. Through careful evaluation and compassionate care, we help our clients gain clarity, confidence, and direction in their lives.
About Dr. Krysti Nguyen
Dr. Krysti Nguyen is a Licensed Clinical Psychologist with over a decade of experience providing psychological assessment and therapy services.
Her clinical expertise includes:
ADHD evaluations
Autism spectrum assessments
Psychoeducational and cognitive testing
Anxiety and depression treatment
Executive functioning and performance challenges
Dr. Nguyen is committed to helping individuals and families gain deeper insight into their strengths and challenges, while providing practical strategies for growth and success.
She approaches each client with respect, empathy, and professionalism, creating a safe and supportive environment for meaningful change.
Our Approach to Care
At KT Psychology Group, our approach is scientific, personalized, and compassionate.
We integrate evidence-based methods such as:
Cognitive Behavioral Therapy (CBT)
Structured psychological assessment
Strength-based and solution-focused approaches
Our goal is to provide:
✔ Accurate diagnosis and clarity
✔ Practical recommendations for real life
✔ Long-term emotional and cognitive growth
We believe that every individual is unique, and treatment should be tailored to meet each client’s specific needs.
Who We Serve
We provide services for:
Adolescents
Adults and professionals
Families seeking guidance and support
Whether you are seeking answers through psychological testing or support through therapy, we are here to help.
🔍 Our Specialties
KT Psychology Group focuses on:
ADHD evaluations
Autism spectrum evaluations
Learning and cognitive assessments
Anxiety and depression treatment
Executive functioning and performance challenges
We are committed to delivering clear, accurate, and meaningful insights that support real-world success in school, work, and daily life.
⭐ What Makes Us Different
KT Psychology Group combines:
✔ Precision in psychological assessment
✔ Evidence-based treatment approaches
✔ Compassionate, individualized care
We go beyond diagnosis by providing clear recommendations and practical strategies that help clients move forward with confidence.
We are dedicated to providing high-quality, compassionate care.
We bring specialized expertise in psychological assessment and therapy, working collaboratively to support the unique needs of every client.
📞 Take the Next Step
You don’t have to navigate this alone.
Whether you are seeking answers through psychological testing or support through therapy, we are here to help.
👉 Schedule a consultation today to get started.
Call or Text: 949-866-3392




Mental Health is Essential to Your Physical Health
Creating a safe space for healing and growth.


