my child 15months old not responding by his name and not showing interest to speak rarely talk should i consult doctor?? showing interest in playing with cars, watching rhymes

A. it is important to meet the doctor to get the child examined. milestones assessment of the child needs to be done which will tell whether the child is having any development delay or not.e the child will be assessed for four major milestones that is 1.gross motor milestone 2.fine motor mielestone 3.social milestone 4.language milestone.