Allergy Asthma & Immunology Institute

(on deerfield avenue)
Doctors in Leesburg, VA


8:30AM - 5:00PM
1:00PM - 4:30PM
8:30AM - 4:30PM
8:30AM - 4:30PM
11:00AM - 3:00PM
9:00AM - 12:00PM


19455 Deerfield Avenue
Leesburg, VA


Laura Ispas, MD, is a top-ranked allergy and immunology specialist with nearly two decades of experience providing customized treatment to patients of all ages. If you’re looking for the best allergist in Leesburg, Virginia, you’ll find unsurpassed medical care at her practice, Allergy Asthma & Immunology Institute.
Dr. Ispas has earned the respect of both her peers and her patients, thanks to her extensive experience, genuine concern for each patient’s unique needs, and her ability to provide treatment that produces long-lasting remission and management of asthma and allergy symptoms.
As the best allergist in Lansdowne, Virginia, she has created an environment that’s warm and welcoming while also providing state-of-the-art technology. Patients receive top-quality care together with the convenience of on-site services, such as pulmonary function testing.
Dr. Ispas graduated from the Institute of Medicine in Timisoara Romania in 1990. She then entered East Carolina University in North Carolina, where she completed her residency in internal medicine and a fellowship in allergy, asthma, and immunology.
Dr. Ispas holds memberships in the American Academy of Allergy, Asthma, and Immunology, as well as the American College of Allergy, Asthma, & Immunology (ACAAI). She’s also an active member of the American Medical Association and the World Allergy Organization.
Before opening her practice in Leesburg, Dr. Ispas served as President and CEO of Sonoran Allergy and Asthma Center in Phoenix for many years.
Dr. Ispas is a well-known, published author who takes a leading role in clinical research involving investigational medications. She frequently gives presentations to residents and primary care physicians, where she teaches the newest and most effective methods for treating allergies and asthma.
Because she values staying active in her community, Dr. Ispas volunteers for the ACAAI Nationwide Asthma Screening Program. She was proud to be nominated and named Top Doctor in Phoenix in 2010-2013, and to be featured in America’s Top Physicians in 2014.
When you need the best care from an outstanding allergist near you, call Allergy Asthma & Immunology Institute or schedule an appointment using their convenient online booking feature.
We also speak Spanish, Romanian, and Sign Language in the office. 


Allergy Asthma & Immunology Institute Photo


  • Allergies
  • Asthma
  • Food Allergies
  • Allergy Shots
  • Rash / Hives / Angioedema
  • Skin Testing
  • Eosinophilic Esophagitis
  • Sinus Infections


Company name
Allergy Asthma & Immunology Institute


  • What is the phone number for Allergy Asthma & Immunology Institute in Leesburg VA?
    You can reach them at: 571-399-5132. It’s best to call Allergy Asthma & Immunology Institute during business hours.
  • What is the address for Allergy Asthma & Immunology Institute on deerfield avenue in Leesburg?
    Allergy Asthma & Immunology Institute is located at this address: 19455 Deerfield Avenue Leesburg, VA 20176.
  • What are Allergy Asthma & Immunology Institute(Leesburg, VA) store hours?
    Allergy Asthma & Immunology Institute store hours are as follows: Mon: 8:30AM - 5:00PM, Tue: 1:00PM - 4:30PM, Wed-Thu: 8:30AM - 4:30PM, Fri: 11:00AM - 3:00PM, Sat: 9:00AM - 12:00PM, Sun: Closed.