Kaiser Permanente Washington, headquartered in Renton, Washington, provides and coordinates complete health care services for almost 700,000 members through 34 medical centers across the state. The market’s revenue reached $4.6 billion for Year-End 2021. Founded in 1947, Kaiser Permanente Washington existed for nearly 70 years as Group Health Cooperative, a regional nonprofit which gained national recognition for medical quality, disease prevention, and evidence-based treatments. Kaiser Permanente welcomed Group Health Cooperative, its medical centers, and members into the Kaiser Permanente family in 2017 creating Kaiser Permanente’s eighth
market. Kaiser Permanente Washington is a total health organization comprising Kaiser Foundation Health Plan of Washington, and the Washington Permanente Medical Group, P.C., an independent medical group.