For Former Coventry Members | Aetna Medicare
For Illinois North and Central members Prescription drug services: Email us or call 1-844-741-8423 (TTY: 711), seven days a week, 24 hours a day. Mental health & substance abuse care: Email us or call 1-800-423-8070 (TTY: 711), seven days a week, 24 hours a day. All other questions: Email us or call 1-866-784-4916 (TTY: 711), ${hours}. Coventry Health Care of Illinois, Inc.