Adventist Health Castle Signs New Agreement with UHA Health Insurance, Continues as a Participating Provider 

Honolulu, HI (Feb. 10, 2026) – UHA Health Insurance is pleased to announce that a new, three-year agreement with Adventist Health Castle (Adventist) went into effect retroactively from January 1, 2026.

Adventist has been part of the UHA network since 1996 when it was known as Castle Medical Center. UHA Health Insurance has one of the largest physician networks in Hawai‘i. 

As a local, physician-founded and guided health insurer and mutual benefit society, UHA works dutifully to manage its employers’ and members’ premium dollars so that they have access to affordable, high-quality care.

For additional information, please contact UHA Customer Services at 808.532.4000.

About UHA Health Insurance
UHA Health Insurance – through one of the largest physician networks in Hawai‘i – provides medical, drug and vision plans to over 4,200 Hawai‘i employer groups and over 57,000 members. It is the only homegrown health plan founded by physicians themselves: University of Hawai‘i John A. Burns School of Medicine educators. UHA continues to be physician-led with an aim to influence healthcare in Hawai‘i for the better, while granting its members access to high quality care; it was the first in the state to offer health plans focused on wellness and prevention of disease. By meeting strict quality standards to ensure clinically sound decision-making that respects the rights of patients and medical providers, UHA received accreditation in Health Utilization Management through URAC, the independent non-profit that promotes healthcare quality. For information, visit uhahealth.com.

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