Dr. Johana Castro Wagner is an experienced Allergy, Asthma, & Immunology specialist double board-certified in Allergy/Immunology & Pediatrics. She joins Dr. Mandel Sher at top-rated Sher Allergy Specialists after 3 years with South Florida's largest allergy specialty group. Dr. Castro Wagner is a Pediatric & Adult Allergist specializing in Food Allergy, Asthma, Eczema, and Pediatric Allergic & Immune conditions. She leads the Oral Immunotherapy Clinic for Peanut Allergy at Sher Allergy Specialists, known for its personalized & cutting-edge treatment. Dr. Castro Wagner is fluent in Spanish & English. She is accepting new patients at Sher Allergy Specialists located in Largo, Fl. Telehealth, Same-Day, & In-Office appointments available.