My doctors usually spend less than 5 minutes talking to me and 10 minutes hunting and pecking at the computer. Some offices will have other staff do much of the data entry, but it doesn't seem to result in the doctor any spending more time with me.
And whatever you do, just don't let anyone deploy it on some overloaded Citrix server.
I wrote a bit about it recently:
Http://micheleincalifornia.blogspot.com/2015/12/how-to-fix-americas-financial.html