Chacko Allergy, Asthma and Sinus Center is home to the leading adult and pediatric allergy and immunology services in Georgia. From our treatment centers in Alpharetta, Atlanta, Canton, Cumming, Duluth and Johns Creek, we deliver the highest quality treatment with a compassionate and considerate approach. When allergy sufferers in Georgia look for the best allergy specialist near me, Dr. Chacko is the doctor they turn to.