Patient Reviews

Reviews reflect patients' level of satisfaction with the care they received from this provider. Dr. John Hagan xhas an overall rating of 5.0.

About

Dr. John Hagan, MD is a Doctor primarily located in Rochester, MN. He has 27 years of experience. His specialties include Allergy and Immunology and Internal Medicine. He speaks English.

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Dr. John Hagan, MD is similar to these 3 Doctors near Rochester, MN.

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Dr. Robert Rea

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Locations & Directions

Mayo Clinic

200 1st St SW
Rochester, MN 55905

Specialties & Expertise

Dr. John Hagan has the following 16 areas of expertise and 2 specialties:

  • Allergy and Immunology

    Specialty

  • Internal Medicine

    Specialty

  • Allergies

    Expertise

  • Anaphylaxis

    Expertise

  • Asthma

    Expertise

  • Desensitization

    Expertise

  • Drug Eruptions

    Expertise

  • Food Allergies

    Expertise

  • Hay Fever

    Expertise

  • Hay Fever (Seasonal Allergic Rhinitis)

    Expertise

  • Hives (Urticaria)

    Expertise

  • Itching

    Expertise

  • Latex Allergy (Latex Hypersensitivity)

    Expertise

  • Nasal Allergies

    Expertise

  • Nasal Allergy (Rhinitis)

    Expertise

  • Rash

    Expertise

  • Sinusitis

    Expertise

  • Watery Eyes

    Expertise

  • Languages

    • English

School

University Of Tennessee Health Science Center College Of Medicine, 1989

Residency

Mayo Clinic And Medical School