Off-topic if you're in a big corporate setting.
On-topic if you're a solo practitioner working in an office by yourself.
I once went to a doctor (a sole practitioner) who used OSCAR, which is an open-source Canadian medical-records system, to manage my chart and to print prescriptions. There may be no support team anywhere for him to contact; just an email list full of random OSCAR users. But, if he has oscar in his favorite-tags list, he might see and answer OSCAR questions the next time he visits Super User.
It's true that he could try asking at Health SE. But the people there tend to be less technical.
EMR systems and other highly specialised softwares that are mission critical could be damaged by the advice given by random strangers and cause loss of life, limb or legal status.
Stack Exchange is willing to accept many health-related questions and law-related questions. For on-topic EMR questions, let's learn from what Judaism SE does for Purim Torah questions. Let's edit the EMR question and add a disclaimer to the end:
Super User is for educational purposes only; the information here is not a substitute for individualized assistance from a qualified technician. If you need help with a medical-records system, please consult a qualified technician.