The federally required data release could affect future prices or even how employers contract for health care. Many will see for the first time how well their insurers are doing compared with others.
As of July 1, health insurers and self-insured employers must post on websites just about every price they've negotiated with providers for health care services, item by item.
How much health insurers pay for almost everything must now be made public phillyvoice.com - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from phillyvoice.com Daily Mail and Mail on Sunday newspapers.
New government rules are forcing insurers to post on websites what they pay for care or be fined, allowing consumers and employers to comparison shop for health services or negotiate better rates.