In Person

HMSA Customer Service representatives are available Monday through Friday, 8 a.m. to 4 p.m.
Representatives for the QUEST plan are available Monday through Friday, 8 a.m. to 4:30 p.m.

Oahu

HMSA Center
818 Keeaumoku St.
Honolulu, HI 96814
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Hawaii (Big Island)

Hilo Branch Office
670 Ponahawai St., Suite 121
Hilo, HI 96720
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Kailua-Kona Branch Office
75-1029 Henry St., Suite 301
Kailua-Kona, HI 96740
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Kauai

Kauai Branch Office
4366 Kukui Grove St., Suite 103
Lihue, HI 96766
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Maui

Maui Branch Office
33 Lono Ave., Suite 350
Kahului, HI 96732
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