Regional Allergy, Asthma & Immunology Center

Allergy and Immunology & Allergy & Asthma located in Kingsport, TN & Johnson City, TN

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. 

Our Mission

We are known for providing patients with truly individualized care given with sincere compassion. We strive to provide our patients with the type of medical visit that will exceed their expectations in every way and utilize state-of-the-art medicine so our patients can benefit from the best treatments available. We provide extensive, gentle, and individualized allergy, asthma, and immunology diagnostic and treatment services.

Accepting New Patients


We Specialize In


If you're suffering from asthma, let our specialists help.
We offer state-of-the-art treatments.


Are your allergies flaring up? If you suspect you might have an allergy,
come see us for treatment today!


Are you suffering from an immune disorder?
Don't wait!


Call to schedule your appointment now!

Accepted Insurances

Here at Regional Allergy, Asthma & Immunology Center, we accept most major insurance plans. If you do not see your plan listed, please contact our office directly to confirm your insurance provider is accepted.

Anthem Blue Cross Blue Shield
Optum Health

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3 Causes of Hives — and How to Prevent Them

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Does Hypoallergenic Bedding Work?

When you have allergies, it’s an ongoing effort to limit your exposure to your particular allergens — and some of the most common allergens are found in bedrooms. Can hypoallergenic bedding help? It depends.


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.

Our Locations

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