St. Louis Children's Hospital: Underwood Karen R MD is a leading pediatric healthcare institution located at 1 Children's Place in St. Louis, Missouri, United States. Dr. Karen R. Underwood is a highly respected pediatrician who specializes in providing expert medical care for children. The hospital offers a wide range of services and treatments to ensure the health and well-being of young patients. With a focus on compassionate care and cutting-edge medical technology, St. Louis Children's Hospital is dedicated to providing the highest quality healthcare for children in the region.