Skin tags are small benign tumors (red in color) that form on the skin, especially where there are folds such as: neck, armpits, groin.
A dermatologist is a doctor who specializes in diseases of the skin, hair, nails and mucous membranes.
The plastic surgeon is the doctor who specializes in cosmetic and reconstructive surgery.
Remember that for the proper selection of health professional that treats skin tags you must consider the nature, severity and symptoms you are presenting.