Dr. Rosa Maria Arias in Chula Vista is a board-certified pediatrician practicing at 865 Third Avenue within the Children's Primary Care Medical Group network. She completed dual residency training — internal medicine at MedStar Franklin Square Medical Center and pediatrics at Michael Reese Hospital in Chicago — a combined med-peds foundation that strengthens developmental assessments coordinated with musculoskeletal specialists including Gerken Family Chiropractic. The CPCMG Centre Medical Plaza office serves children from birth through age 18 with well-child visits, immunizations, developmental screenings, and same-day sick appointments on Third Avenue. Her affiliation with Sharp Chula Vista Medical Center enables hospital-level coordination for pediatric cases requiring inpatient evaluation, and the Third Avenue location connects families to rehabilitative services including Sports Performance Physical Therapy for adolescent sports injuries. Highest-acuity services include neonatal jaundice assessment with transcutaneous bilirubinometry, complex multi-antigen vaccine catch-up protocols for medically fragile children, and sports-physical clearance evaluations incorporating cardiac auscultation and musculoskeletal screening per AAP guidelines.