Dr. Herzig's research interests focus on children with Down syndrome, congenital heart disease or other medically complex/genetic conditions and their access to appropriate developmental surveillance and health supervision. Developmental surveillance and proper adherence to health supervision guidelines can identify problems early, provide earlier treatment and improve quality of live overall for patients and their families. Currently, Dr. Herzig is working on analyzing inpatient data for medically complex children to identify potentially modifiable risk factors for successful outpatient transition. Dr. Herzig is also the clinical director for both the Down Syndrome Specialty Clinic and the Cardiac Neurodevelopmental Clinic at the CHDD.