Avanti Psychological Services

Avanti Psychological Services is a Mental Health Counselor in Sammamish, WA. They provide psychotherapy, assessments, and support using an integrated blend of Evidence-Based Therapeutic Modalities for children, adolescents, and adults. With over five years of experience, Avanti specializes in treating conditions such as ADHD, anxiety, depression, trauma, mood disorders, and more. They serve the greater Sammamish area and have received a rating of 4.60 based on 16 reviews.

Avanti Psychological Services was founded in 2017 by Dr. Cheryl D’ettorre and Dr. Bob Smith as Avanti Adolescent Services. The name changed to “Avanti Psychological Services” in 2022 to reflect their expanded services for individuals of all ages. In 2023, Dr. Steph Regus became a co-owner, followed by Nathan Shin and Dr. Diane Shin in 2025. Their team includes professional therapists like Daniel Tunehag, Abby Kirpach, Deepak Gupta, Joelle Brender, Jon Leong, Dr. Jennifer Savion, Christine Holloway, Dr. Nicole Lemos, Cale Smart, Stephanie Strand, and more.

Avanti Psychological Services offers a wide range of therapeutic modalities such as CBT, ACT, EFT, DBT, Mindfulness, Person-Centered Therapy, Positive Psychology, Attachment Theory, Solution-Focused Therapy, Play Therapy, Art Therapy, and Gottman Method. They are dedicated to supporting mental, emotional, and relational change in their clients.

Avanti Psychological Services stands out for its comprehensive approach to mental health care, offering both individual therapy and specialized assessments that cater to a wide range of needs from childhood through adulthood, making them an essential resource for the Sammamish community.