Banner Health is a non-profit health system in the United States, based in Phoenix, Arizona. It operates 23 hospitals as well as specialized facilities. The health system is the largest employer in Arizona as of April, 2015, with Walmart a close second. Banner employs more than 39,000 in Arizona alone. The organization provides emergency care, hospital care, hospice, long-term/home care, outpatient surgery centers, labs, rehab services, pharmacies, and more recently has begun operating primary care physician clinics, which include Banner Arizona Medical Clinic and Banner Medical Group. In 2010, it reported assets of $6.4 billion and revenues of $4.9 billion. Banner Health was created in 1999 through a merger between Lutheran Health Systems, based in North Dakota, and Samaritan Health System, based in Phoenix, Arizona. In 2001, Banner sold its operations in Iowa, Kansas, Minnesota, New Mexico, North Dakota and South Dakota, and became solely based in Phoenix.