Why Isn't Kaiser Less Expensive?

Enlarge

Joe Raedle/Getty Images

A doctor examines a patient

Kaiser Permanente is often cited as an example of a health maintenenace organization that keeps costs reined in. In fact, portions of the Affordable Care Act were crafted with the Kaiser model in mind. But critics say the price gap between Kaiser and other insurance companies has narrowed, and the reasons are unclear. Reporter: Sarah Varney