In the event that an overpayment has been made, please return the funds to Cigna at:

Cigna
COR Unit
P O Box 188012
Chattanooga TN 37422

For Cigna HealthCare for Seniors, please return funds to:

Cigna Medicare Select + RX
Cigna HealthCare of Arizona
Claim Overpayments
25500 N. Norterra Dr., Bldng B
Phoenix, AZ 85085

Checks should be made payable to Cigna Medicare Select.

To ensure we apply the refund correctly, please include a copy of the Explanation of Payment you received.