I've been following them for a long time. While they are potentially building good software, they are only making incremental changes. It won't move the needle enough.
What will move the needle is creating a health records platform that actually helps doctors & patients, not hinder them by wasting time. Natural language processing and machine learning will get it there.
MedRec is another initiative in the medical data space that I like better than Patientory: https://www.pubpub.org/pub/medrec