Clinical Staff

Sarah Rees Riley, Psy.D.


Dr. Riley is a co-director and clinical psychologist who specializes in assessment and treatment of neurocognitive and psychiatric disorders in children, adolescents, and adults. She completed her postdoctoral fellowship at Regional Mental Health Center. She is an adjunct faculty member at The Chicago School of Professional Psychology and maintains a private practice at the Skokie office. Dr. Riley is a licensed psychologist in the state of Illinois.

Joshua Barras, Ph.D., ABPP


Dr. Barras is a co-director and board certified neuropsychologist who specializes in the evaluation and care of adult and older adult patients with neurocognitive and psychiatric disorders. Dr. Barras also provides fitness for duty evaluations, disability evaluations, and expert testimony in medical legal cases. He completed his postdoctoral fellowship at the Rehabilitation Institute of Chicago. He was a lecturer in the department of psychiatry at Northwestern and an associate professor at The Chicago School of Professional Psychology. Dr. Barras is a licensed psychologist in the states of Illinois and Florida.

Teresa Barttrum, Psy.D.

Licensed Clinical Psychologist

Dr. Barttrum earned her doctorate in Clinical Psychology with a Clinical Neuropsychology concentration from Adler University in Chicago in 2014. Dr. Barttrum has worked in diverse clinical settings with patients across the lifespan. She is a co-author for several publications and is an adjunct faculty member for the University of Arizona Global Campus. She specializes in working with patients experiencing chronic illness, neurocognitive impairment, neurodevelopmental disorders, and mood and anxiety disorders.

Sara Lampert-Okin, MS

Licensed Professional Counselor

Sara received her master’s in clinical counseling psychology at Rosalind Franklin University of Medicine and Science and completed her internship at Rogers Behavioral Health. Sara utilizes a cognitive-behavioral framework with her clients, and seeks to help them understand how their thoughts, feelings, and actions are connected. Sara is a fully licensed clinician who is also pursuing her doctoral degree in clinical psychology.

Administrative Support

Rachel Stoklosa

Administrative Assistant

Rachel is part of our administrative team that offers exceptional client support. She is available to help answer questions related to scheduling, benefits, and connect our clients with the best provider to assist in continuing care.