Hawaii Medical Service Association (HMSA) is Hawaii's largest health insurance company. The not-for-profit company serves more than 700,000 members and is an independent licensee of the Blue Cross and Blue Shield Association. Hawaii Medical Service Association's insurance plans include preferred provider plans (PPOs), Health Plan Hawaii (HMO), and traditional indemnity. The company serves both employer groups and individual members. In addition to medical coverage, the company covers dental and vision services and prescription drugs. It also provides Medicare supplemental coverage and Part D prescription coverage. Through its Care Connection program, HMSA provides disease management and health education services.