703-754-0636 (Gainesville) - 703-879-6947 (Alexandria) - 202-899-3065 (Wash. DC)

Our Clinical Psychologists

Our Professional Therapy sessions are provided by Doctorate and Master’s Level clinicians licensed in the State of Virginia. They have years of experience in working with children, adolescents, adults, couples, and groups.

Psychological Testing & Evaluations



Tracy Palmer, Psy.D., M.P.H. (Gainesville Office – Psychological Testing/Evaluations only)

Dr. Tracy Palmer is a Licensed Clinical Psychologist in Virginia and the District of Columbia. She provides therapy and psychological testing and is currently accepting new patients for PSYCHOLOGICAL TESTING/EVALUATIONS ONLY.

She enjoys working with children, adolescents, young adults, and families dealing with anxiety, trauma, grief, depression and other mood disorders. She conducts comprehensive psychological and neuropsychological testing for ADHD, learning disabilities, mood disorders, and for complex diagnoses in need of diagnostic clarification. Dr. Palmer has worked in various settings including schools, outpatient clinics, hospitals, and private practice and has specialized training in working with children, adolescents, and young adults who have experienced complex trauma.

Dr. Palmer obtained her doctorate in clinical psychology from the American School of Professional Psychology at Argosy University in Washington, DC. She completed her pre-doctoral internship at the VA Maryland Health Care System/University of Maryland at Baltimore School of Medicine Consortium. Her clinical training also includes working with pediatric populations at Children’s National Medical Center in Washington, DC. Prior to becoming a psychologist, Dr. Palmer worked extensively in the field of public health and her experience lends her ability to work with diverse clientele in mental health care.

Dr. Palmer is a member of the Virginia Academy of Clinical Psychologists, Northern Virginia Clinical Psychologists, American Psychological Association Division 53 (Society of Clinical Child and Adolescent Psychology), and the American Psychological Association’s Division 54 (Society of Pediatric Psychology). In addition, she is an Adjunct Professor of Psychology at Northern Virginia Community College.

Please feel free to contact Dr. Palmer directly: Life Enrichment Counseling CenterLife Enrichment Counseling Center




Miles Diller, Ph.D. (Gainesville and Alexandria Offices – Psychological Testing/Evaluations only)

Dr. Miles Diller is a Licensed Psychologist in Virginia and Maryland. He graduated in 1979 with a bachelors degree from Georgetown University, and in 1986 with a doctorate in clinical child psychology from DePaul University in Chicago.

Dr. Diller has worked in a great variety of settings during his career, with children through older adults. For several years he was Clinical Director of a Community Mental Health Center; he worked as a Supervisory School Psychologist in New Mexico for over ten years; he taught Psychological Testing at Southwestern College in Santa Fe, New Mexico; and he has worked with adolescents in residential and inpatient care. In addition to testing children and adolescents, he also provides testing for the Virginia Disability Determination Services, and consults with local nursing homes. He has published articles on pilot personality characteristics and flying safety.

At the Life Enrichment Counseling Center, he provides assessments for learning and attention problems in children and adolescents. He evaluates challenges with attention and/or overactivity (ADHD), executive functioning, learning differences (Learning Disability), academic programming issues, social differences, and emotional or motivational problems. Testing may include interviews, checklist measures, observations, intellectual testing and/or academic screening. As a former school psychologist, he can provide second opinions (often at district expense), help guide IEP development, and act as your child’s advocate.

Please feel free to contact Dr. Diller directly: Life Enrichment Counseling CenterLife Enrichment Counseling Center