Toll Free: 1-866-509-5398 (TTY: 711)*
Local: 314-209-2700 (TTY: 711)
13900 Riverport Drive
Maryland Heights, MO 63043
3300 S. National Avenue, Suite 100
Springfield, MO 65807
Telephone lines are open 8 a.m. to 8 p.m., seven days a week. You may reach a messaging service on weekends from April 1 to September 30 and holidays. Please leave a message, and your call will be returned the next business day.
View or download our Multi-Language Insert.
Mailing address and fax number for written customer service, appeals and grievances requests:
PO Box 5907
Troy, MI 48007
Fax: 1-888-480-2577 (customer service, claims and grievances requests)
Fax: 314-770-6024 (appeals)
*Please note that our main customer service number (above) is the designated number for submitting oral requests.