| The HMSA Children's Plan: Doctor's visits: HMSA - CMS 1500 claims P.O. Box 44500 Honolulu, HI 96804-4500 Hospital visits: HMSA - UB04 claims P.O. Box 32700 Honolulu, HI 96803-2700 | Services received in Hawaii: For commercial plans: HMSA - Claims Administration 8/CA P.O. Box 860 Honolulu, HI 96808-0860 For Medicare plans: HMSA's 65C Plus (Cost)/Akamai Advantage P.O. Box 860 Honolulu, HI 96808-0860 | Out-of-state services: HMSA - BlueCard Claims P.O. Box 2970 Honolulu, HI 96802-2970 |