Iris C. Ha, MD in Chula Vista is a board-certified internist at the Sharp Rees-Stealy office on the second floor of 480 H Street, serving the Broadway corridor's adult primary care needs. A UCLA School of Medicine graduate who completed her internal medicine residency at Kaiser Permanente Los Angeles Medical Center, she joined the Sharp Rees-Stealy Chula Vista practice in 2020, coordinating preventive care and oral-health referrals with providers including Village Dental Group and Orthodontics. Hospital affiliations include Sharp Chula Vista Medical Center, Scripps Mercy Hospital Chula Vista, and Sharp Grossmont Hospital, enabling inpatient coordination across the South Bay. The H Street location near the Broadway and H Street commercial node anchors her practice within Chula Vista's western medical infrastructure, where chronic-disease medication regimens are managed through nearby dispensaries including Albertsons Pharmacy. Highest-complexity protocols include arterial blood gas interpretation for acute respiratory assessment, multi-drug antihypertensive titration for secondary renovascular hypertension, and HbA1c-driven insulin adjustment in Type 2 diabetic patients with renal-function monitoring.