Regence BlueShield of Idaho aims to keep Gem State residents sparkling with health. Regence BlueShield of Idaho, a licensee of the Blue Cross and Blue Shield Association, provides health insurance to more than 200,000 members throughout Idaho, as well as two counties in Washington State. Regence BlueShield company offers individual and group health plans, as well as Medicare plans, supplemental dental and life coverage, pharmacy benefits management, health savings accounts, and other health resources for its members. Established in 1946, the company is a subsidiary of The Regence Group, which serves more than 3 million people in the Northwest.