Community Health Alliance (CHA) is Tennessee's only Consumer Operated and Oriented Plan (CO-OP), a new health insurance model for Tennesseans. We are the only choice that gives you the consumer, a voice in the process. We are mission-based and the needs of you and your family remain at the center of everything we do. Our goal every day is to offer affordable, high quality coverage and outstanding customer service to you and your family.The Mission of Community Health Alliance is to provide high quality, affordable, consumer-friendly health care coverage by promoting active patient participation and provider engagement in the coordination of care. What makes us different? Community Health Alliance is:- A member-governed Health Plan- A nonprofit company- State and federally regulatedwww.chatn.orgCompany Headquarters: 445 S. Gay Street, Suite 101Knoxville, Tennessee 37902Customer Service: 800.580.8574