Dr. Mulherin grew up in Moline, Illinois. He graduated from Augustana College in Rock Island, Illinois, where he earned a Bachelor of Arts in biology and music. He completed medical school at Loyola University in Chicago, and an internal medicine residency at the University of Wisconsin in Madison. He completed a hematology-oncology fellowship at Indiana University. Dr. Mulherin is Board certified in internal medicine, hematology and oncology. He is a member of the AMA, American Society of Clinical Oncology and American Society of Hematology.