Psychologist in Charleston, South Carolina Maire Diemer, Psychologist

Maire Diemer, PhD, helps individuals and families across South Carolina navigate emotional, behavioral, and developmental challenges with a calm, evidence-based, and compassionate approach. She supports patients across the lifespan—including children, adolescents, teens, and adults—through individual and family therapy at LifeStance Health. Her deepest clinical passion centers on early childhood concerns, women’s health and reproductive issues, trauma, and autism evaluation. Maire offers diagnostic testing services to evaluate neurodevelopmental differences, mood concerns, trauma, personality, and other clinical diagnostic questions. She provides developmentally sensitive assessment and treatment for infants, toddlers, and young children, with specialized expertise in psychological testing for autism, developmental delays, and ADHD.

In her therapy practice, she offers structured intervention, practical coping strategies, and a supportive therapeutic space that focuses on safety, continuity of care, and long-term resilience. She also supports women navigating postpartum depression and anxiety, reproductive challenges, and associated mood or identity shifts, creating space for healing that integrates both emotional and physical health experiences. Maire incorporates Cognitive Behavioral Therapy, Dialectical Behavior Therapy, Cognitive Processing Therapy, and Mindfulness-based approaches, along with additional interventions as clinically appropriate. For children and families, she offers Parent-Child Interaction Therapy and evidence based-trauma treatments. She works frequently with individuals experiencing anxiety, depression, ADHD, or trauma-related symptoms and provides care for diverse populations including LGBTQ+ individuals, people with developmental disabilities or autism spectrum disorders, and children in adoption or foster-care systems. She offers additional specialties beyond those highlighted here. Outside the office, she enjoys cooking and live music.