

Harold Bigger, MD, is a neonatal-perinatal medicine specialist at Rush University Medical Center in Chicago. His areas of expertise are high-risk newborns and neonatal care.
COVID-19: Vaccine and booster updates, testing information, safety measures, updated policies, ways to help and more.
Harold Bigger, MD, is a neonatal-perinatal medicine specialist at Rush University Medical Center in Chicago. His areas of expertise are high-risk newborns and neonatal care.