Karthi Subbannan is a Hematologist Oncology specialist and a Hematologist in Alpharetta, Georgia. Dr. Subbannan is highly rated in 26 conditions, according to our data. Her top areas of expertise are Anemia, Hemolytic Anemia, Congenital Hemolytic Anemia, and Hemolytic Crisis. Dr. Subbannan is currently accepting new patients.