Many of us are familiar with Jonathan Schwartz. He was the CEO of Sun Microsystem, and was a major player in the world of Java. Today, his startup launched a new web application that helps caregivers to manage care teams. I would characterize it as case management / disease management software for consumers.
The business model is a subscription fee for consumers. Certainly a very interesting company to watch.
UPDATE: Health 2.0's Matthew Holt has a great writeup on how CareZone, in its current iteration, is just a redux of the failed PHR model dated back in 1999. Check it out!