UC Irvine Health and MemorialCare Health System have announced they are entering into an affiliation agreement to expand access to high-quality, cost-effective health care throughout Orange County and create new models of care that improve the health and well-being of their communities. UC Irvine Health and MemorialCare Health System will begin this collaboration with a partnership to open new state-of-the-art primary care health centers. Both will remain independent health systems.