The Institute for Healthcare Improvement. http://www.ihi.org/Pages/default.aspx. Updated 2014. Accessed 7/8/14. The Institute for Healthcare Improvement (IHI) is an independent not-for-profit organization helping to lead the improvement of health care throughout the world. Founded in 1991 and based in Cambridge, Massachusetts, IHI works to accelerate improvement by building the will for change, cultivating promising concepts for improving patient care, and helping health care systems put those ideas into action.