DOWNERS GROVE, Ill.–(BUSINESS WIRE)–DuPage Medical Group and Quincy Medical Group, Quincy, Illinois, have signed a letter of intent to further develop and expand as a transformational multi-specialty clinical care delivery organization. As partners, the organizations will intentionally focus on providing an unrivaled patient experience, while working to raise the standard for quality and excellence for physician-directed care. DuPage Medical Group is the largest physician-owned independent me