Neil,
Good to see you on the board, hope that you have fully recovered from the Hurricane.
I can post more at length later, but I'm headed out on the road in a minute - if you have my number still, you can ring me.
The short answer is that LMI is probably the lowest friction solution for a single Doc, no staff. It would there needs to be a machine in the main office dedicated to LMI, or a LMI account on each Doc's main machine that they connect to their own machine when remote.