McLean: 703-790-9722; DC: 202-466-4100; Manassas: 703-361-6424

About Us

Please visit our main website here: Black & Kletz Allergy.


Black & Kletz Allergy is an Allergy, Asthma, and Immunology practice consisting of two board certified allergists, Michael R. Kletz, MD and Appaji Gondi, MD. We have three office locations in the Washington DC and Northern Virginia metropolitan area. Our practice has treated both adult and pediatric patients for over 50 years. We strive to provide efficient and quality allergy care in an efficient and relaxed environment.


  • We accept most insurance plans
  • In addition to English, the doctors speak Spanish and Telugu