Irene Chang, MD in Chula Vista is a pediatrician with the Children's Primary Care Medical Group at 769 Medical Center Court, Suite 300, within the Medical Center Drive healthcare corridor. She graduated from medical school in 1995 and completed her pediatric residency at UC San Diego before joining the CPCMG Medical Center Court office, which operates under the same hospital network as Sharp Chula Vista Medical Center on the adjacent campus. Bilingual English-Spanish consultations served the Chula Vista community for 15 years at this location before a transfer to the CPCMG 4S Ranch office, though the Medical Center Court listing reflects her ongoing Sharp affiliation. Rady Children's Hospital San Diego and Palomar Medical Center admitting privileges provide tertiary referral pathways, and adolescent sports injuries connect patients to rehabilitative resources including Cornerstone Physical Therapy and Wellness. Highest-acuity services include pediatric asthma action-plan development with spirometry-based severity classification, multi-vaccine catch-up protocols for internationally adopted children, and pre-participation sports clearance evaluations incorporating cardiac auscultation per AAP Preparticipation Physical Evaluation guidelines.