Alyssa G Stiver, PsyD, is a licensed psychologist at Blazier Psychological Associates in Wexford, PA and at Jefferson Counseling Center in Pleasant Hills, PA, who provides psychological assessments to children and adolescents. She is welcoming patients aged 4-21. Dr. Stiver has expertise in the Autism Diagnostic Observation Scheduled, Second Edition (ADOS-2) and specializes in evaluating individuals who may have autism spectrum disorder, intellectual developmental disorder, attention deficit hyperactivity disorder (ADHD), disruptive behaviors, obsessive-compulsive disorder, anxiety, or depression. She completed doctoral training at Indiana University of Pennsylvania in Indiana, PA, and her residency at Mount Washington Pediatric Hospital in Baltimore, MD, which is affiliated with Johns Hopkins Medicine. She gained additional training in psychological assessment, outpatient therapy, and autism spectrum disorder during a fellowship at Mount Washington Pediatric Hospital as well. Dr. Stiver provides psychological assessment to clarify factors affecting mental health and recommend treatment.