Customer Service
Toll Free: 1-866-597-9560 (TTY: 711)*
Local: 314-209-2700 (TTY: 711)*
Fax: 1-888-480-2577

Toll Free: 1-866-509-5398 (TTY: 711)*

Company Headquarters
Essence Healthcare
13900 Riverport Drive
Maryland Heights, MO 63043

Springfield Office
CoxHealth MedicarePlus
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.*

Mailing address and fax number for written customer service, appeals and grievance requests:

Essence Healthcare
­PO Box 5907
Troy, MI 48007

Fax: 1-888-480-2577 (customer service, claims and grievance requests)
Fax: 314-770-6024 (appeals)

*Please note that our main customer service number (above) is the designated number for submitting oral requests.

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