Adventist Health Glendale is a hospital located in Glendale, California, it is part of the healthcare network Adventist Health. Adventist Health Glendale, located on Wilson Terrace, near California State Route 2 and California State Route 134, is one of the city's oldest businesses, founded in 1905, a year before Glendale was incorporated as a city. It was then known as Glendale Sanitarium, and it occupied the former Glendale Hotel, a 75-room Victorian structure on what is now Broadway Avenue.