Johana C Wagner, MD Allergy & Immunology

Johana C Wagner, MD

Allergy & Immunology
Largo, FL 33778
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About Johana C Wagner MD

Johana C Wagner, MD is a doctor primarily located in Largo, FL. She has 12 years of experience. Her specialties include Allergy & Immunology.


Sher Allergy Specialists 11200 Seminole Blvd #310 Largo, FL 33778


Johana C Wagner has the following 1 SPECIALTIES

An allergy & immunology specialist is a physician who is specially trained in matters pertaining to chronic and acute allergies, as well as deficiencies of the immune system. The doctor will determine whether an allergy, which attacks our immune system, is present. They'll also determine the cause, whether it be environmental triggers like trees and pollen, food-borne like peanuts and dairy, the venom of insects like bees, or a medication like penicillin. In addition to determining the allergen causing an immunological response in a patient, the specialist will treat the symptoms caused by the reaction.

Specialty Expertise

Johana C Wagner has the following 37 expertise

  • Allergic Reaction & Anaphylaxis
  • Angiodema
  • Asthma
  • Chronic Cough
  • Contact Dermatitis
  • Eczema
  • Eye Allergy
  • Food Allergy
  • Gastrointestinal Allergy
  • Headaches
  • Hives
  • Immunodeficiency
  • Nasal Allergy/Allergic Rhinitis
  • Peanut and Tree Nut Allergy
  • Pediatric Allergy and Asthma
  • Penicillin Allergy
  • Recurrent Infections
  • Sinusitis and Upper Respiratory Infection
  • Throat Clearing
  • Allergy Shots
  • Allergy Testing
  • Biologic Drug Treatment
  • Clinical Trials
  • Contact Patch testing
  • Cough Counter
  • Leicester Cough Questionnaire
  • Lung Function Test
  • Non-Pharmacologic Therapies
  • Oral Immunotherapy
  • Patient Education & Training for Sustainable Success
  • Peanut and Food Allergy Testing
  • Peanut Oral Immunotherapy (OIT)
  • Penicillin and Drug Testing
  • Pulmonary Function Test
  • Rhinoscopy
  • Skin Allergy Testing
  • Spirometry


12 Years Experience

"University of South Florida Johns Hopkins All Childrens Hospital"

Graduated in 2017

Universidad Central De Venezuela

Graduated in 2009

University of Texas

Graduated in 2015

Johana C Wagner Accepts the Following Insurance

  • Medicare
    • Medicare

More about Johana C 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.

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