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HHIN Documents


The Hawaii Healthcare Information Network is a secure website that furnishes providers with direct access to HMSA data for verifying member eligibility, benefits and claims status. Those and other HHIN features make it easier and more efficient for providers to do business with HMSA.


To learn more about HHIN, call 948-5851 on Oahu or toll-free at 1 (800) 760-4672, or click on one of these links:


Hawaii Healthcare Information Network (HHIN)


HMSA's Electronic Transaction Services brochure



The following additional documents are available. Please print and complete the appropriate EDI Contract form(s) below and return to HMSA via fax at 948-6008.



You can request online pre-service reviews (preauthorization, precertification, etc.) for selected services for your patients with out-of-state Blue Cross and Blue Shield Association (Blue) plans. To learn more, click on the link below:


First Published:10/30/2006
Latest Revision:05/09/2016
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