HSHS St. John's Hospital Prairie Heart Institute

Prairie Heart Institute (PHI) is a nationally recognized cardiovascular center headquartered in Springfield, Illinois, and is a specialized division of HSHS St. John's Hospital and the Hospital Sisters Health System (HSHS). The institute provides a comprehensive range of heart and vascular services, including advanced interventional cardiology, cardiac surgery, and electrophysiology. PHI is distinguished by its robust clinical research program, serving as a high-volume site for Phase II through Phase IV clinical trials for global pharmaceutical and medical device companies. Through its partnership with Prairie Cardiovascular Consultants, the institute operates a network of community-based clinics that bring specialized cardiac care to patients throughout central and southern Illinois. It is a regional leader in implementing cutting-edge technologies such as transcatheter aortic valve replacement (TAVR) and advanced rhythm management.