Thank you. I have worked with many doctors who were extremely competent with network systems. A department chief who actually set up something like the OP did (calendar and patient lab results) FOR the IT dept for his doctors, a fellow who did his graduate degree before medicine at Berkeley working on.....BSD. And at my current hospital the custom system for EMH was developed by a former department chief doctor.
All I'm reading in response is a bunch of arrogant IT people banging the old drum that doctors are arrogant pricks. Yes, if he is behind the firewall IT should share control of the server and I would suggest running a wireless system out of his office just for his department if he doesn't want to use Google and IT will not or cannot integrate his ideas into the network.
In my hospital personal laptops can be connected to the network after being vetted by IT (all the State supplied computers are roughly 13 years old) which means they keep your machine for a week or two, snooping through your patient files (a HIPPA violation as they are not involved in the patient's care) but they will not allow Macs because....well, just because they are IT and they say so. One doc used his iPad to connect to the secure wireless network and access patient labs and history in real time while seeing the patients---the scenario that IT claims is the future. It should be because that doc found it incredibly efficient and fast; and he was written up and ordered never to do something like that again.