Board approves Waukegan psychiatric hospital Jan 11, 2018 | HNI Stories, Hospitals, Top Stories A state review board approved US Healthvest’s plans to transform Vista Medical Center West in Waukegan into a 146-bed psychiatric hospital Tuesday.To access this content, you must purchase 1 Year Health News Illinois Subscription or 1 Year Group Subscription - Up to 5 Users, or log in if you are a member.