Ken, I'll echo Raymonds suggestion. If he can't help you out I'm not certain who can.
There are a lo of good medical units out there. THough to be honest all the ones I know are Union. 4th & 16th US are both top notch for their medical knowledge. In fact last spring I was able to attend one of their seminars and I admit it was quite informative.
As to equipage... remember that many of the
CS surgeons traveled almost as light as their Infantry comrades. A Hospital tent may not be needed, I might suggest a simple wall w/ a fly or make yourself a portable brush arbor instead of a fly.
Good Luck Take a look at the re-enactor forum mayhaps you'll find some useful info.