Learn more about us.

We dedicate ourselves to the following principles, standards, and qualities that we consider essential to the pursuit of our mission and we hold each other accountable for the behaviors that embody these values. We provide patients with superb allergy and Asthma Care in a comfortable and luxurious environment. Our dedicated staff has extensive experience in caring for patients with asthma, allergies, hay fever, sinus infections, hives, atopic dermatitis, eczema, contact dermatitis, angioedema, anaphylaxis, food, drug and latex allergies as well as immunodeficiency diseases. We are a friendly team that aims to provide high quality care to all of our patients.

Our Providers

Raymond O. Nwadiuko MD., FACAAI


Dr. Nwadiuko completed his residency at Howard University Hospital in Internal Medicine. He then completed two years of fellowship in Allergy and Immunology at the Harbor- UCLA Medical Center in Torrance California. He joined Howard University Hospital in 1996 as clinical assitant professor of Medicine, Allergy and Immunology and District of Columbia General Hosipital as Attending Physician. In 2002 he left to establish his private practice-Maryland Allergy and Asthma Center. Dr. Nwadiuko is board certified in Allergy and Immunology and a fellow of the American College of Asthma, Allergy and Immunology(ACAAI).

Theodore Ebere Igwebe MD., FCCP


Dr. Igwebe is a Pulmonary/Asthma - Critical Care Specialist, he completed his residency and two year fellowship at University of Medicine of New Jersey. He joined Holy Cross Hospital in Silver Spring, Maryland and is now part of the private practice - Maryland Allergy and Asthma Center.




Maryland Allergy & Asthma Center • 9831 Greenbelt Road,

Suite 102 • Lanham, MD 20706

P: 301-552-4100  |  F: 301-552-1700