We're Moving

HWMG and our client, HMAA, are moving to Central Pacific Plaza in Downtown Honolulu. We kindly ask that you update your records and inform others in your practice.


Effective October 11, 2022, our new physical location and mailing address will be:


220 South King Street, Suite 1200

Honolulu, Hawaii 96813


Please also note these fax numbers have changed.

  • Health Management and Precertification: (808) 535-8398
  • Credentialing: (808) 535-8314 (same as Provider Relations)

Our phone numbers, other fax numbers, and post office boxes for claim submissions and premium payments will not change.

If you have any questions, feel free to contact us Monday through Friday, 8 am to 4 pm HST. 

Provider Relations

Phone (808) 791-7557

Toll-free (800) 621-6998 ext. 304

Fax (808) 535-8314



Phone (808) 791-7518

Toll-free (800) 621-6998 ext. 306

Fax (808) 535-8314