This is probably a good idea in general, but may only be REQUIRED if the
particular FreeMED based system is used for drug developing, manufacturing,
dispensing, and/or labeling (FDA regulated process).
If this is the case then this particular installation needs to be validated
(both hardware and software), change managment procedures needs to be
established and executed, and records needs to be maintained for as long as
the system exists and some time after that.
I don't think EHR or billing side of the business falls under FDA
regulation.
But again, Part 11 provides a good guide on how goverment looks at
electronic signature