What does it mean when when the face gets numb and have a tingling sensation and wants to start twitching to the side by the mouth area?

Neurologist. It means that you should be evaluated by a neurologist. These symptoms are quite concerning and could be a partial seizure syndrome, brain growth, a vascular blockage or even a superficial facial nerve disorder. Discuss this with your physician who can refer you to a speciaiist who will order the appropriate tests in order to make a diagnosis and get you treated.