Dr. Heather Cassell, MD is a highly experienced allergist-immunologist based in Tucson, AZ, with over 21 years of experience in the medical field. She specializes in treating pediatric allergic conditions, including asthma, food allergies, anaphylaxis, and eczema. Dr. Cassell is dedicated to developing trusting relationships with her patients and their families, ensuring that each child receives personalized care and attention....