Here’s some market size information on data. I believe there are some lead generation startups that are trying to make a dent in this space:
In some cases, the same companies that sell data management systems to hospitals and physicians also store that information and then repackage it to make money on other services.
The clinical information systems market in the United States has sales of $8 billion to $10 billion annually, and about 5 percent of that comes from data and analysis, according to estimates by George Hill, an analyst at Leerink Swann, a health care investment bank.
But by 2020, when a vast majority of American health providers are expected to have electronic health systems, the data mining component alone could generate sales of up to $5 billion, Mr. Hill said. Demand for the data is likely to be robust. Policy makers and hospitals will want to dig into it to analyze physician practices and glean information about patient health trends.
via Slipstream – How Private Can Electronic Data Ever Be? – NYTimes.com.