OSF Medical Group - Behavioral & Mental Health

The OSF HealthCare physician network employs more than 2,215 primary care, specialist and advanced practice providers. About OSF HealthCare OSF HealthCare About OSF HealthCare OSF HealthCare is an integrated health system founded by The Sisters of the Third Order of St. The largest hospital, OSF Saint Francis Medical Center in Peoria, Illinois, is a tertiary care teaching center providing numerous specialty services and extensive residency programs for physicians.