If you need help finding mental health and substance use services, call Member Services at 1-800-300-8181 (TTY 711) Monday through Friday from 8 a.m. to 8 p.m. Eastern time/Saturday from 9 a.m. to 5 p.m. Eastern time. If you think you are in danger of harming yourself or others, call 911 or go the nearest emergency room..