About Regional Allergy, Asthma & Immunology Center

About Us

For more than 25 years, Regional Allergy, Asthma & Immunology Center has been providing expert care for patients suffering from allergies, asthma, and immune-related disorders at its main office in Kingsport and Johnson City, Tennessee; and Abingdon, Virginia. Led by leading world physician, Shailee Madhok, MD, the team also includes two highly experienced allergy and immunology nurse practitioners,Brenda Bentley, MSN, FNP-BC, and Alice (Vickie) Lilly, NP, who provides individualized compassionate care for all patients. 

Regional Allergy, Asthma & Immunology Center specializes in pediatric care but treats patients of all ages, including infants, children, adolescents, and adults. The allergy and immunology practice uses state-of-the-art tools and techniques to diagnose and treat allergies, including food allergies, as well as asthma, eczema, and hives. 

To assist with diagnosing the underlying cause of patient allergies, the team offers in-office skin testing. They also provide allergy shots and immunotherapy to reduce allergy symptoms or stop them altogether.

Regional Allergy, Asthma & Immunology Center accepts most insurance plans and offers easy, interest-free monthly payment plans. 

For compassionate and personalized care, contact Regional Allergy, Asthma & Immunology Center by phone or online today. 


Words from our patients

  • 5 star

    Took excellent care of me during an asthma attack at the office, they all have caring attitudes, the doctors explain things in detail. I have received top notch care

  • 5 star

    VERY pleased with my experience. From the person who took my appointment to the person who helps fill prescriptions, I felt heard and cared for. I would highly recommend.