[spelunker]

One of my first jobs was a software dev at Cerner. Cerner isn't much better.

EMR is a difficult field to "disrupt" IMO because a hospital comprises so many departments with wildly different requirements for a software system, that it's basically only the big players who can do it all. And if you're a CIO for a hospital looking for an EMR system to purchase, one system that handles everything sounds much more appealing than trying to cobble together something yourself.

It's also why there's only a few major ERP players.