The Paris Psychiatric & Neuroscience University Hospital Group was created on January 1, 2019, following the merger of the Maison Blanche, Perray-Vaucluse and Sainte-Anne hospitals. It brings together 170 structures spread over 94 sites, ie the 25 sectors that cover the entire health territory of the capital. With a total active file of 60,000 patients, 1 in 40 Parisians use their services.