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Insurance Directory

Commercial Insurance Carriers, A to Z.

Member-services phone numbers, websites, and provider portals for 184+ U.S. health plans — from Aetna to Zing Health. Always confirm the number on the back of your insurance card for your specific plan.

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Phone numbers shown are general member-services lines. Group plans and product lines (Medicare Advantage, Medicaid, ACA marketplace) frequently use dedicated numbers — verify against the back of your insurance card before calling about claims or appeals.

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TRICARE East

Administered by Humana Military

National

TRICARE is the Department of Defense health program. Humana Military is the regional contractor that administers TRICARE East, not a separate plan. Official source: tricare.mil.

TRICARE West

Administered by TriWest Healthcare Alliance

National

TRICARE is the Department of Defense health program. TriWest is the regional contractor that administers TRICARE West, not a separate plan. Official source: tricare.mil.

TRICARE Overseas

Administered by International SOS

National

Regional contractor administering TRICARE Overseas on behalf of the Department of Defense. Official source: tricare.mil.

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