Dr. Susanna Chi-Sun Chang, MD, is a dedicated pediatrician with over 24 years of experience in providing high-quality care for children. She graduated from the University of Michigan Medical School in 1999 and has since specialized in treating various pediatric issues such as iron deficiency anemia, eczema, constipation, vitamin D deficiency, bronchial asthma, attention deficit disorder, acute bronchitis, acute pharyngitis, and croup. Currently practicing in North Chicago, IL, Dr....