Marnell Psychological Services, PLLC is an Amarillo, Texas psychology practice providing collaborative, personalized, and patient-centered psychological assessments for children and adults. The practice focuses on helping individuals and families navigate challenges through psychological testing and tailored recommendations. Led by Meghan Marnell, a Texas-licensed psychologist with a PhD in clinical psychology, the practice draws on experience in clinical child and pediatric health psychology and work across a range of healthcare settings.