many hospitals will give employed docs an allowance for licenses and dues (in the range of $500 to $2000) that can be used for things like medical license/DEA license fees as well as dues for physician organizations (ACP, etc).
I haven't paid a penny in licensing, DEA or credentialing since I started a real job. I even got reimbursed for the remaining months on my current license and DEA when I got hired.
I make them the $2G a year that costs in half a clinic day. Replacing me (if those things lapsed and I could no longer practice) would cost the practice somewhere between 20 and 100x that $2000 (never mind the lost revenue of having to send new patients elsewhere). We could cover these costs for our entire group of 13 docs with what I gross in 5 weeks (I work 3/4 time and am on the lower end of the pay scale due to seniority, so <4 weeks if I worked FT and 2 weeks if it was from one of the senior docs). If we're talking about total collections, that expense is covered in about half a day of business at our busiest (of 5) office.
Any practice/group/hospital that employs their docs and doesn't cover these expenses either needs a business manager, or needs to collectively pull their business manager's head out of his/her ass.