You can by a numbing medicine, but ice is a very good way, because of the coldness it creates a numbness from the coldness. As for piercing, start with a small puncture, and then go farther in till its fully in your skin. If there is much pain, try numbing it even longer.
Other. Chiropractors are physicians, all physicians are in health care and considered doctors, but not MDs. Vets are no DVMs, and podiatrists are DPMs.