California Pediatrics expert witnesses draw on frontline experience in children’s hospitals, community clinics, and managed care systems across the state. They often practice neonatology, pediatric emergency medicine, cardiology, oncology, or developmental pediatrics at leading centers like UCLA, UCSF, Stanford, and CHLA. Many manage diverse, multilingual, and migrant populations. They assess standards of care, diagnosis, treatment decisions, monitoring, and pediatric outcomes.