Hawaiʻi Medical Service Association

Hawaiʻi Medical Service Association (HMSA) is the largest health insurer in the state of Hawaii and serves as an independent licensee of the Blue Cross and Blue Shield Association. Established in 1938, the organization provides comprehensive health insurance coverage to over half of Hawaii's residents, including individuals, employer groups, and government programs. HMSA offers a wide range of health plans such as Preferred Provider Organizations (PPO) and Health Maintenance Organizations (HMO), alongside Medicare and Medicaid services. As a non-profit mutual benefit association, it focuses on community health initiatives and improving the quality of care through partnerships with local providers. The company is headquartered in Honolulu and plays a central role in the state's healthcare ecosystem.