Psychologist. Richmond Hill Psychology Center offers comprehensive mental health services by Ontario-licensed psychologists and psychotherapists. Established in 2004, the center has helped over 6,000 clients in their journey towards a better quality of life. Services offered: Psychotherapy and ADHD, psychoeducational, gifted/IQ, autism spectrum (ASD), and career assessments for children and adults. Recognized as a top provider of adult and child psychotherapy and assessment services in York Region, Richmond Hill Psychology Center is dedicated to enhancing the wellbeing of individuals and families.