Dermatologist?

is it like doctors where you have to have one, or can you go to any dermatologist?|||need a referral from your doctor, but if you know a specific dermatologist you want, you can ask your doctor for a referral for that one|||Just call any one and make an appointment. Unless you have an HMO for insurance then you have to ask for a referral from your primary care.|||http://en.wikipedia.org/wiki/Dermatology