Excellus BlueCross BlueShield is part of a $4 billion family of companies that finances and delivers health care services throughout upstate New York and long-term care insurance nationwide. Collectively, the enterprise provides health insurance to more than 2 million people and employs more than 6,000 New Yorkers. Previously, the company's operations were known as BlueCross BlueShield of Central New York, BlueCross BlueShield of the Rochester Area and BlueCross BlueShield of Utica-Watertown. The company is one of New York s largest nonprofit health plans. Excellus BlueCross BlueShield maintains its corporate headquarters in Syracuse, N.Y.