This is David Blumenthal, former national coordinator for health information technology, interviewed by James Fallows in The Atlantic:
When the benefits of using better technology are “internalized,” as the economists would say, there has been much more rapid, complete, and effective adoption of electronic medical records. So, the VA: the benefits are internalized, because the VA has to live within a budget. In private health-care organizations like Kaiser or the Geisinger plan in Pennsylvania, or the Group Health Cooperative in Puget Sound, electronic medical records were adopted decades ago, and are widely used and highly effective.
Here is Linda Gorman on health IT in the National Health Service.