Large enough to serve you, small enough to know you. Asthma and Allergy Specialists, PA is a group of highly skilled pediatric pulmonologists and board certified Asthma, Allergy and Immunologists focused solely on the testing and treatment of allergies, asthma and pulmonary diseases in both adults and children. Since 1987, we have successfully treated over 100,000 patients in the Charlotte, North Carolina area.