If you are interested in dermatology you really should join the sdpa. Go to Dermpa.org. This is the best site for fellow PA's who want to work or do work in Dermatology.
From what you stated above I believe you are going to be underpaid. There are certain things you need to know as a Derm PA.
1) Are there any restrictions on what type of pateints you can actually see.
2) Will you get a copy of your collections each month to review.
3) What patient load are you expected to have.
4) Will you have a Medical Assistant that works with you only or do you share with the other providers or maybe you don't have one at all.
I can tell you the best way to be paid in Dermatology is to be paid on a percentage of your collections. It should be somewhere between 30%-40% of what you bring in.
Example: your monthly net collection is $40,000 a month which is easily attainable seeing 25-28 pts per day 5 days a week.
You get 30% your pay would be $12,000 per month. The practice makes $28,000 a month. A win win for both.
If you are only paid a salary $82,000 per year and the same numbers are used as above you would be making only $6,833 per month or about 17% of your collections, and the practice makes 83% or $33,200 per month. Not a good deal for you but a great deal for the doctor.
I would recommend becomming a member of the sdpa and get informed about how PA's get paid in derm, because a lot of PA's are being severly underpaid for the work they do.
Hope this helps.