Holyoke-based MiraVista Behavioral Health Center, a top provider of inpatient behavioral health and substance use treatment, as well as outpatient substance use services, joins TaraVista, its sister behavioral health hospital in Devens, in announcing the promotion of Sheila Crowley from Chief Admissions Director at MiraVista to Hospital Administrator/Chief Operating Officer for TaraVista. Ms. Crowley resides in Holliston.