C3 Offices

Call C3 Administrative Office:

888 862-3223

C3 Offices - All correspondence: P.O. Box 707, Sharpsburg, MD 21782

Complementary Care Company (C3) is strongly committed to providing outstanding service to our customers; our clients and their group accounts, to our members, and to our practitioners. Our reputation for providing dependable, responsive service is earned one customer at a time. We make it easy to do business with C3. Your comments or inquiry are welcome. info@c3online.com


C3 offers savings programs that support the health and well being of enrolled members.

Complementary Care programs are available to public and private employer groups, third party administrators, unions, health plans, insurance companies and associations.


  Email us at: info@c3online.com


   P.O. Box 707, Sharpsburg, MD 21782