770-475-9924. BOOK AN APPOINTMENT. PATIENT PORTAL. SHEFALI CHHEDA, MD. PEDIATRICIAN LOCATED IN ALPHARETTA, GA. PEDIATRICIAN LOCATED IN ALPHARETTA, GA. Harmony Pediatrics goes the extra mile to deliver a higher level of pediatric care that's incredibly hard to find in this day and age of "in-and-out-fast" medical care..