3801 N. Fairfax Dr. STE 31. BOOK YOUR APPOINTMENT TODAY BY CALLING: (800) 778-9923 or (571) 229-5081. ARLINGTON OFFICE. We Are The Premier Allergist. Allergy & Immunology Specialists in Maryland, Virginia, and Washington, D.C. Allergies and asthma impact the lives of millions of Americans, and no two people - child or adult - are affected ....