Johana Wagner Featured Provider
Johana Wagner
Sher Allergy Specialists Office

(727) 397-8557

Fax (727) 397-4459 11200 Seminole Blvd #310 Largo, FL 33778

Directions to 11200 Seminole Blvd #310, Largo, FL 33778



Primary Specialty

Asthma - Allergy Specialists

Practice Sher Allergy Specialists
Gender Female
Education Universidad Central De Venezuela
Training University of Texas, University of South Florida, Johns Hopkins All Children's Hospital
Certification Board Certified in Allergy, Asthma and Immunology, Board Certified in Pediatrics
Payment Options American Express, Cash, Discover, MasterCard, Visa

Johana Wagner

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.


Pulmonary Function Test, Allergy Testing, Skin Allergy Testing, Contact Patch testing, Penicillin and Drug Testing, Peanut and Food Allergy Testing, Non-Pharmacologic Therapies, Allergy Shots, Oral Immunotherapy, Peanut Oral Immunotherapy (OIT), Biologic Drug Treatment, Patient Education & Training for Sustainable Success, Clinical Trials, Lung Function Test, Spirometry, Cough Counter, Leicester Cough Questionnaire, Rhinoscopy
Business Hours
Monday:8:30 AM - 5:00 PM
Tuesday:9:00 AM - 6:00 PM
Wednesday:8:30 AM - 5:00 PM
Thursday:8:30 AM - 5:00 PM
Friday:8:30 AM - 12:00 PM