We are a small team of talented clinicians with a wide range of skills and experience. We love what we do, and we do it with passion. We look forward to working with you.

Stephanie Johnson, Psy.D.


Dr. Stephanie Johnson is a licensed clinical psychologist with over 11 years working in the mental health field. She received her Doctorate in Clinical Psychology from the University of La Verne. Dr. Johnson completed her postdoctoral training in behavioral medicine and is currently working towards her postdoctoral master’s degree in Clinical Psychopharmacology.  Dr. Johnson enjoys providing mental health services to a wide range of patients, including children, adolescents, adults, and first-responders. Through these services, Dr. Johnson has developed a specialty in treating trauma, PTSD, grief, anxiety, depression, and anger. Additionally, Dr. Johnson is an EMDR certified clinician and has received extensive training in trauma informed care, motivational interviewing, cognitive behavioral therapy, person centered therapy, gestalt therapy, and psychodynamic therapy. In treating with Dr. Johnson, she strives to carry out the belief that every individual is unique and therapy should be tailored to meet each person’s individual needs.

Elsa Ferris, Psy.D.

VP of Operations

Dr. Elsa Ferris is a licensed psychologist with over 7 years of experience specializing in child, adolescent, and family care. After graduating from the University of La Verne, Dr. Ferris received training in Parent Child Interaction Therapy and Functional Family Therapy, which focuses on increasing the quality of relationships between children and teenagers and their parents. Dr. Ferris furthered her skills in bringing families together during her Post Doctoral year at Kaiser Permanente, where she facilitated individual and group treatment while providing comprehensive mental healthcare alongside medical professionals. Today, Dr. Ferris seeks to heal so that every individual can transform into their ideal selves. In doing so, Dr. Ferris treats adults, couples, families, teenagers, and children. Dr. Ferris has also completed training in EMDR to better provide patients with efficient and effective trauma treatment. Other areas that Dr. Ferris has training in include Trauma Focused Cognitive Behavioral Therapy, Cognitive Behavioral Therapy, Acceptance and Commitment Therapy, and Motivational Interviewing. Dr. Ferris has utilized her training to lead therapy groups on various topics, which have included Parenting Skills, Parenting Today’s Teen, Children’s Worry Group, and Teens’ Depression and Anxiety Group. In individual treatment, Dr. Ferris continues to treat those who struggle with anxiety, depression, PTSD, ADHD, anger, and grief.

Elizabeth Garcia, MFT

Psychological Assistant

Elizabeth Garcia is a registered Psychological Assistant at Summit Psychological Services. She takes a collaborative approach with clients to explore specific patterns in their life, define strengths, develop goals, and provide practices toward coping, self- care, and personal growth. Ms. Garcia believes therapy is a safe place to grow and learn by using different approaches to meet each client’s unique needs. Approaches used might include play therapy, mindfulness, cognitive behavioral, and solution focused. Ms. Garcia enjoys working with children, adolescents, and adults to navigate the challenges of life. She work with clients with a wide variety of mental health concerns including anxiety, depression, trauma, transitions and adjustments, behavior, parenting skills, and family communication. Ms. Garcia is bilingual clinician and can conduct assessments and therapy in Spanish. If you are seeking services with Ms. Garcia, please reach out by calling or emailing. She is available Thursday through Friday from 10 AM to 8 PM.

Mishka Johnson

Therapy Dog in Training

Hello! My name is Mishka, and I am Summit Psychological’s smartly dressed furry friend. I aim to greet every client with a smile and give them lots of love and support to help them through tough times. I am also currently in training to be a therapy dog so I can better help those in need. I look forward to seeing you at your next visit!

Want to work with us?

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