Dr. Donald Zedalis

Nicholas Rider is an Allergy and Immunologist in Roanoke, Virginia. Dr. Rider is highly rated in 5 conditions, according to our data. His top areas of expertise are Primary Immunodeficiency (PID), Common Variable Immune Deficiency, Chronic Granulomatous Disease, and Secondary Immunodeficiency (SID).

Omar Hasan is a Sleep Medicine provider in Beckley, West Virginia. Dr. Hasan is highly rated in 7 conditions, according to our data. His top areas of expertise are Major Depression, Seasonal Affective Disorder (SAD), Schizoaffective Disorder, and Schizophrenia.

Dr. Eapen is a practicing allergist who has been with the practice since 2001. He is Board Certified in both Allergy and Clinical Immunology and Internal Medicine. Dr. Eapen did his Internal Medicine residency at University of Illinois and completed his fellowship training at University of Wisconsin, where he had the opportunity to train with some of the leading researchers / clinicians in the field of Asthma and Allergy, including Dr. William Busse, Dr. Robert Lemanske, Dr. Robert Bush and Dr. James Gern.Academically, Dr. Eapen is an assistant Clinical Professor of Medicine at the University of Virginia and actively participates in teaching medical residents. Dr. Eapen has published both textbook chapters and articles in peer-reviewed journals. His special areas of interest include allergic rhinitis, sinusitis, asthma, atopic dermatitis (eczema) and food allergy. Dr. Eapen is a member of various national and state medical organizations.He and his wife are active members of their community and their church. They enjoy spending time with their two children. Dr. Eapen is highly rated in 13 conditions, according to our data. His top areas of expertise are Allergic Rhinitis, Sinusitis, Hives, and Chronic Spontaneous Urticaria (CSU).