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    • Heahter H.

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      Dr. Ispas, Jill and the entire staff are absolutely fantastic! I'm extremely lucky to have found such a wonderful practice dedicated to improving my health.
    • Erika U.

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      Website-reviews 449845Website-reviews

      Very attentive and thorough. Great support staff.
    • Michalis M.

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      Website-reviews 449844Website-reviews

      10/10
    • Suneetha P.

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      Website-reviews 449843Website-reviews

      Every visit is great in Doctor’s office. Doctor is always pleasant, smiling and listens to what we have to say. Staff is warm and welcoming all the time. Overall great experience !!!
    • Mario A.

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      Website-reviews 449842Website-reviews

      Great customer service...very friendly staff!
    • Dave Z.

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      Love these guys!
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Our Office

Allergy Asthma Immunology Institute Office
Allergy Asthma Immunology Institute Footer

Allergy Asthma & Immunology Institute

19455 Deerfield Avenue, Suite 207, Leesburg, VA 20176

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  • Office Hours

    Monday and Thursday 9:00 AM - 6:00 PM
    Tuesday, Wednesday 9:00 AM - 5:00 PM
    Every other Friday 10:00 AM - 2:00 PM
  • Allergy Shot Hours

    Monday and Thursday 9:00 AM - 6:00 PM
    Tuesday, Wednesday 9:00 AM - 5:00 PM
    Every other Friday 10:00 AM - 2:00 PM

Practice Location

Location Link

Useful Links

  • American Academy of Allergy Asthma & Immunology
  • American College of Allergy Asthma Immunology - Allergist
  • Fare - Food Allergy Reasearch & Education
  • Latex-Allergy Logo