If its a deep moles then it is removed with excision of the mole,this procedure takes less than an hour.. If your mole is not deep enough then doc might do a laser treatment for your mole.
If your mole is a deep one,the doctor may choose excision with or without stitches depending on the depth of the mole and the type of cosmetic outcome desired.
And about Pain,anesthetic is applied so you won't have any pain..
Well if you need to see the mole removal procedure .here it is..
Mole Removal Procedure