O’FALLON, Ill. – Prairie Cardiovascular and HSHS Medical Group are proud to announce that Megan Land, APRN, has joined its team at Prairie Cardiovascular O’Fallon, located at 3 St. Elizabeth Blvd., Suite 1800. Land is a board-certified nurse practitioner with extensive experience in cardiology. She specializes in the prevention, diagnosis and management of a wide range of heart conditions, including high blood pressure, high cholesterol, arrhythmias, heart failure and coronary ...