James A. Harker, MD is an expert in the field of Pathology. He attended University of Illinois College of Medicine at Chicago. University of Illinois College of Medicine at Chicago has a rank of 49 in research and a 85 in primary care Doctor James A. Harker, MD is a published doctor and has 12 publications published. The lastest was: 'Late Interleukin-6 Escalates T Follicular Helper Cell Responses and Controls a Chronic Viral Infection.' James Harker is registered with Medicare and accepts Medicare payments.