About us
Black & Kletz Allergy (also known as Yuill Black, MD and Michael R. Kletz, MD, P.C.) is an Allergy and Immunology practice consisting of two board certified allergists, Michael R. Kletz, MD and Appaji Gondi, MD. We have three offices in the Washington, D.C. metropolitan area with two offices located in Northern Virginia and one office in northwest Washington, D.C. Our practice has provided trusted adult and pediatric allergy, asthma, and immunology services to the greater Washington D.C. metropolitan area for over 50 years.