The Healthy Kids program in Los Angeles, California provides health insurance coverage to uninsured low-income children. This brief shows strong evidence that Healthy Kids program has improved access to medical and dental care for its enrollees. According to a survey of parents, young children enrolled in Healthy Kids for a year were much more likely to have a usual source of medical and dental care. Use of medical care increased with enrollment in the program. Enrollment also increased parents' confidence that they could obtain needed medical care for their children and reduced their financial burdens.