Sonja Brion, MD is a board-certified pediatrician in Encinitas practicing through Children's Primary Care Medical Group at 499 North El Camino Real, the largest independent pediatric medical group in San Diego County. Her clinical interest in childhood nutrition and developmental milestones involves cross-referral with North County specialists including Dermatologist Medical Group of North County for pediatric eczema, atopic dermatitis, and food-allergy-related skin presentations. The MD from UCLA's David Geffen School of Medicine was followed by a pediatric residency at Cedars-Sinai Medical Center in Los Angeles, completed in 2000. CPCMG's Encinitas office provides same-day sick visits, well-child examinations from birth through adolescence, and adolescent medicine under a group model that includes multiple board-certified pediatricians sharing call coverage. Sports medicine evaluations and pre-participation physicals for young athletes connect to the musculoskeletal rehabilitation protocols at Bespoke Physical Therapy Encinitas for growth-plate injuries and overuse conditions. Behavioral pediatric assessments encompass validated screening instruments for ADHD, anxiety spectrum disorders, and depression using the Vanderbilt and PHQ-A rating scales with longitudinal scoring.