McMullan MD is an allergist and immunologist at the Asthma & Allergy Clinic of Hattiesburg. She is board certified by the American Board of Allergy and Immunology (ABAI) and the American Board of Internal Medicine (ABIM). She completed medical school and her internal medicine residency at the University of Mississippi School of Medicine. She completed her allergy and immunology fellowship at Washington University School of Medicine in St. She is a member of state and regional allergy societies including: MSAAI and SEAAI, and a fellow of national allergy societies, AAAAI and ACAAI. Dr. McMullan sees patients of all ages. She sees asthma, a variety of allergic diseases including: allergic rhinitis (Hay fever), sinusitis, drug allergy, bee and ant allergies, hives, angioedema, eczema and food allergy. She also sees immune deficiencies. She has a particular interest in allergic diseases and asthma in pregnancy. For appointments call 601-268-5051. Medical questions and concerns will not be addressed through this page or associated email. For a life-threatening emergency, please call 911.