Palo Alto650-614-0014 Emeryville510-214-2765

Meet Our Team

Our Practice

Many use our services to provide answers to their questions about their struggles in school, home, work, or socially. Our team offers comprehensive consultations and assessments to identify strengths and weaknesses, to provide appropriate diagnoses, and to work with individuals implementing various treatment options in order to help them succeed. Our goal is to provide services to enhance healthy social and emotional functioning across the lifespan.

Clinical Staff

Richard D. Abbey, PhD

Dr. Abbey is a licensed clinical neuropsychologist. He provides neuropsychological evaluations for infants, children, and adults. He is the director of neuropsychological services and is involved in every case in the clinic. His research focuses on learning disorders, Attention-Deficit/Hyperactivity Disorder (ADHD), and the neurocognitive effects of cancer treatments. Dr. Abbey also specializes in neuropsychological functioning related to medical complications including brain trauma, injury, stroke, epilepsy, cancer, and seizures.

Stephanie C. Abbey, PhD

Dr. Abbey is a licensed psychologist. She provides therapy and works with a variety of concerns, including difficulties with relationships, life transitions, stress, anxiety, depression, body image, grief/loss, trauma, and sexual orientation. Dr. Abbey integrates issues of diversity and explores clients’ needs within the context of their race, ethnicity, gender, sexual orientation, and religious beliefs. She has experience working in university counseling centers, community mental health centers, inpatient hospitals, and residential treatment centers.

Diana M. Barret, PhD

Dr. Barrett is a psychology assistant (PSB34685) trained in the assessment, diagnosis, and treatment of learning, autism spectrum, mood, and attention-deficit hyperactivity disorders, across the lifespan. She has worked with children as young as 3 years old and adults as young as 72! She completed her graduate work at the University of Montana where she specialized in child and family services. During her internship at the University of Utah Neuropsychiatric Institute, she worked with children, adolescents and adults in both inpatient and day treatment settings. Finally, her postdoctorate training at Stanford University School of Medicine included evaluation and therapy services for children, adolescents, and families. Currently, she provides therapy, neuropsychological assessment, parent coaching, Executive Function coaching, interventions, and consultations.

Gina B. Pfeifle, PhD

Dr. Pfeifle is a licensed psychologist with specialized training in the neuropsychological evaluation of infants, children, and adolescents. She completed her doctoral training through the University of Texas at Austin. She completed additional training and specialization in pediatric neuropsychology through an internship at Texas Children’s Hospital and a two-year postdoctoral fellowship at Children’s Healthcare of Atlanta. She has extensive experience assessing neuropsychological functioning in children with learning disabilities, ADHD, developmental disabilities like autism, and mood disorders. In addition, she has specialized training in the evaluation of the neuropsychological effects of medical disorders including concussion, brain injuries, brain tumors, stroke, epilepsy, and encephalitis. Her research interests include ADHD and traumatic brain injuries.

Megan McConnell, PhD

Dr. McConnell provides psychological assessment, therapy, consultation and neurotherapy for children, adolescents and their families. She completed her doctoral training at McGill University in Montreal. She has conducted a range of clinical services at multiple training sites, which include Boston Medical Center and UCSF Benioff Children’s Hospital Oakland. Dr. McConnell has worked with clients struggling with depression, anxiety, ADHD, behavioral issues, mood disorders, learning disabilities, eating disorders, developmental disabilities such as Autism, medical issues and those that have experienced trauma. She completed a research fellowship at Harvard, studying attachment and has particular expertise in both assessing and treating parent-child relationship difficulties. Dr. McConnell utilizes a variety of evidence-based techniques tailored to the child and family’s needs. She is passionate about working collaboratively with caregivers and her approach is strength-based and integrative.

Beth Hill, M.S.Ed

Beth Hill is an Educational Therapist/Learning Specialist who focuses on individualized instruction using research-based methods. She has a Master’s degree from the Bank Street College of Education in Childhood General and Special Education. Beth also holds dual teaching certification in Childhood Education and Special Education in California and New York State. She provides support for students with learning disabilities, learning differences, ADHD, dyslexia and executive functioning challenges. Beth’s programming includes customized, multi-sensory instruction to address gaps and build independence by teaching children long-term strategies for learning.

Peggy Powell

Peggy Powell is a Learning Specialist who develops individualized interventions, pulling from multi-sensory, research-based methods. She works with students who are struggling with reading, comprehension, writing, and math, incorporating these as needed with executive functioning coaching and brain training (e.g., neurofeedback and cognitive exercises). She has a Bachelor’s degree in Humanities and has worked in the field of education for over 20 years. She enjoys supporting students in gaining the skills and confidence they need in order to become successful.

Beth Powell

Beth Powell is a Learning Specialist who creates individualized cognitive interventions from a variety of multisensory programs and cognitive therapies such scientifically based reading, writing, and math interventions, integrated into executive functioning coaching and brain training (e.g., neurofeedback and Cognitive drills). She holds a Master’s degree from the California Institute of Integral Studies and a Bachelor’s degree in Math. She has worked in education for over 25 years and enjoys finding the right approach that struggling students need to succeed.

Neurotherapy Staff

Rachael Little, B.Sc.

Rachael Little heads the Neurotherapy treatment program at the Abbey Clinic. She uses Biofeedback and/or Neurofeedback to train the brain to higher levels of functioning using EEG technology and fun interactive games. She practices several forms of Neurofeedback, including Z-Score training, 19 channel LORETA feedback, and LENS Neurofeedback. She has worked with both children and adults providing different forms of cognitive training for learning disabilities, ADHD, executive function deficits, anxiety, depression, stress management, and peak performance. By using a variety of methods such as EEG biofeedback, peripheral biofeedback, and brain training methods for learning such as Cogmed Working Memory Training and PACE cognitive enhancement, she is able to help both students and professionals strengthen their cognitive abilities and reach their goals.

Natasha Gupta, B.Sc.

Natasha Gupta graduated with a degree in Neuroscience from UT Dallas. She has experience working with children and adults from varying cognitive backgrounds in multiple forms of Neurofeedback, Biofeedback, and learning programs such as Cogmed Working Memory Training and LearningRX. She integrates skills-based training with cognitive training to provide help for children and adults with attention difficulties, learning disabilities, executive function weaknesses, Autism spectrum disorder, anxiety, depression, and memory challenges. This comprehensive approach furthers her commitment to helping individuals from all walks of life to achieve a greater feeling of wellness.

Abbey Neuropsychology Clinic

Palo Alto Office

366 S. California Ave
Palo Alto, CA 94306

Palo Alto

Emeryville Office

1900 Powell St. Suite 600
Emeryville, CA 94608


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