Johana C Wagner, MD Allergy & Immunology

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Allergy & Immunology Largo, FL

About Johana C Wagner MD

Johana C Wagner, MD is a doctor primarily located in Largo, FL. She has 11 years of experience. Her specialties include Allergy & Immunology.


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


Johana C Wagner has the following 1 SPECIALTIES

Allergy & Immunology

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


11 Years Experience

"University of South Florida Johns Hopkins All Childrens Hospital"

Graduated in 2017|Fellowship

Universidad Central De Venezuela

Graduated in 2009|Medical School

University of Texas

Graduated in 2015|Residency

Johana C Wagner Accepts the Following Insurance

  • Medicare
    • Medicare
  • others
    • Aetna
    • Blue Cross Blue Shield
    • Cigna
    • Coventry
    • Humana
    • Tricare
    • United Healthcare

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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