Our Greenbelt office will be open from 9-1 pm 4/21. Our Ellicott City Location will be closed on 4/23/21 and our Annapolis office will be closed on 5/4/21.

The Allergy and Asthma Center is a team of healthcare professionals trained in Allergy, Asthma and Immunology who pride themselves on providing over 25 years of dedicated service using state-of-the-art techniques for treatment, testing, and diagnosis.

Your health is important, especially during these uncertain times. Allergy & Asthma Center is safely serving in-person appointments and patients needing injections. Also, both new and established patients can sign up for Telehealth Virtual Visits via Zoom. The HIPAA-compliant platform is easy to use and accessible via your favorite device: smartphone, tablet, laptop, or desktop. We are here to help!
COVID-19 Notice: Business operations may be affected Due to ongoing safety measures and adjusting to patient volume across all of our locations, visit our Calendar to stay up-to-date on hours and availability.

COVID 19: Get Vaccinated!

The ACAAI* recommends the following people consult with an allergist before getting a COVID-19 vaccine:

Those with a history of an immediate (within four hours of exposure) or severe allergic reaction to:
  • An injectable medication (intravenous, intramuscular, or subcutaneous)
  • Any vaccine [excluding allergy shots)
  • Medications or other products containing polyethylene glycol (Miralax®, Golytely®), polysorbate or polyoxyl 35 castor oil (paclitaxel).
If one of the above applies to you, don’t delay, make an appointment with one of our board certified allergists. * The American College of Allergy Asthma & Immunology COVID-19 Vaccine Task Force, Published online:January 22, 2021

DOI https://doi.org/10.1016/j.anai.2021.01.017

We Are The Allergy and Asthma Center

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 or react exactly the same. That’s why you need an expert team of specialists with perspective, experience, and passion to provide patient-first medical care for adults and children of all ages. The Allergy and Asthma Center is a trusted team of healthcare professionals trained in allergy, asthma, and immunology with over 25 years of service. Using state-of-the-art techniques to test, diagnose, treat and support every patient, we’ll give you the peace of mind to know that you’ve received the most attentive and complete care available from an experienced and trusted partner.

At The Allergy and Asthma Center, we are committed to providing our patients with compassionate, state-of-the-art medical care in a warm and friendly environment. We offer adult and pediatric asthma treatment in Washington, D.C., Maryland, and Virginia, as well as allergy treatment and testing services.

Our mission is not only to provide accurate diagnoses and help patients heal at the underlying source, but to educate patients on how they can improve their quality of life. If you’re ready to take the next step toward better health, locate your nearest Allergy and Asthma Center and schedule an appointment today.

Compassionate Care, Specialized Expertise

Meet Our Team

Combining 30 years of experience and specializations in immunology, our physicians and staff deliver genuinely compassionate care to all of our patients. Our specialists are equally committed to empowering patients with the knowledge they need to fully understand their condition and move forward with their treatment.

More than 25 Convenient Locations and Counting...

Best Allergy Care in Maryland, Virginia and D.C.

All of our expertly-staffed locations are spread across the Maryland and DC Metro area so no one is without care.

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Widely-Accessible Asthma and Allergy Care in Maryland, Virginia, and DC

We're Proud to Accept All Major Insurances

Unlike other allergy and asthma specialists, the Allergy and Asthma Center accepts an extensive variety of insurance providers in Maryland, Virginia, and Washington, D.C.. If your provider is not listed here, please call us. Our knowledgeable staff is happy to help.

Providing Comprehensive Adult and Pediatric Services for More Than 25 Years

Allergy, Asthma, and Immunology Services

The Allergy and Asthma Center uses modern, innovative medicine to provide treatment for allergies, asthma, and immune deficiencies to adults and children of all ages. We also offer a variety of allergy testing services to deliver the accurate diagnosis you deserve.

We Value Your Feedback

We hold ourselves to the highest standards when it comes to patient satisfaction. To ensure that we consistently deliver quality care, we’d love to hear your feedback on your recent visit. Please take a moment to let us know about your experience.

Our patients know our exceptional care best

  • Mitch F.

    Very clean and nice office!!! Will come back here every time for any allergy issues!

    4/21/2021
  • Claudia P.

    Best service ever, from the front desk, nurses and doctor. I went with my 3 y/o and had skin test, they were amazing. All the information received was clear, we will continue the allergy follow up with them. A plus: they also speak Spanish. Highly recommended.

    4/20/2021
  • Ryan L.

    I come here twice a week for my allergy injections- everyone is fantastic! Staff is super friendly and all know my name. Would recommend to anyone with allergies!

    4/19/2021
  • Rebekah M.

    Clean office, courteous staff, and Dr. Yoon is great! I took my son last summer when his environmental allergies were getting bad, and I didn’t know how to manage them. After well-executed allergy testing, Dr. Yoon gave us great recommendations, and he is now doing well. I went back to the office today for myself to have testing and to get medication recommendations. I highly recommend this practice!!

    4/16/2021
  • Kelly W.

    Dr Ganganna is an expert Dietitian. She assessed my dietary habits and medical history. She coached me to understand the science facts that explain the digestion processes resulting from my dietary choices. She provided a thorough plan for reaching my attainable goals to improve my lifestyle. Her information is key towards my recovery. I am grateful that she shared her expertise with me. I highly recommend Dr. Ganganna.

    4/08/2021
  • Johnny K.

    Great office, great staff. They really go into detail and explain everything. Would recommend.

    3/23/2021
  • Shemiah W.

    Amazing front office staff, nurses and doctor. Dr. Obiejemba was amazing, through and so knowledgeable. Highly recommend this office

    3/22/2021
  • Silvia Q.

    Dr Correa and the entire staff was amazing! All 3 of our boys were recently seen. Everything was well explained. Customer service was great. The medical assistants made my kids feel comfortable. I highly recommend!

    3/20/2021
  • Jacqueline T.

    The staff and doctor were very patient and kind. Dr. Sohn took the time to answer all my questions and fully explained my prescriptions. Two of the nurses that I interacted with, Sydney and Steffy, were very warm and welcoming. The front desk was able to efficiently and quickly schedule my upcoming appointments with a clear explanation of what to expect from my upcoming immunotherapy shot appointments. I’m glad I came here!

    3/20/2021
  • a g.

    What a great office. The doctor was friendly, patient and thorough. The nurse and front office staff are also the nicest I’ve ever encountered. Allergies are not fun, but at least you’ll have an enjoyable experience here figuring out how to avoid them!

    3/19/2021
  • Kevin C.

    I have been a patient receiving allergy shots at the Allergy and Asthma Center in Bel Air for three years. The staff are friendly and professional. The office hours are flexible and they have the best front desk administrator, Sandra. Dr. Daniel is extremely friendly, thoughtful, and knowledgeable. Thank you to the staff for always providing such outstanding service!

    3/18/2021
  • Samantha K.

    Dr. Simpson and his team are top-notch. Caring, thorough, and thoughtful. I wouldn’t hesitate to recommend.

    3/18/2021
  • Syleesia T.

    I’ve had a good experience working with Marissa when I come in for allergy injections. Always greeted in a courteous manner to handle billing and medical concerns. This review is also inclusive of another patient Mr. Rodney Robinson.

    3/18/2021
  • Eric A.

    I was referred to Dr. Simpson by my wife based on her positive experience going to the Allergy and Asthma Center. I’m so glad I made the decision to come here to diagnose my allergy issues and get remediation through allergy shots. Dr. Simpson is great to work with and provides very helpful guidance. His staff are excellent and very professional. I highly recommend the Allergy and Asthma Center.

    3/17/2021
  • Alicia K.

    We had a great experience at this location with our 10 month old. The doctor we saw obviously liked children and went out of his way to ensure she felt comfortable and secure during her allergy testing. I felt listened to and respected as a mother.

    3/14/2021
  • Antoinette M.

    Everyone in the office is super nice. Overall great experience!

    3/12/2021
  • lonzeno b.

    Great staff. No long wait. Good parking. Clean facility

    3/10/2021
  • Kris M.

    Everyone is super nice. No problems here. Would recommend 👌

    3/10/2021
  • Paola D.

    My kids and I have been going to Bel Air allergy & asthma center for about 8 years. I will not go anywhere else! The staff is amazing, professional and helpful. Dr. Daniel is knowledgeable and caring. Lacy answer all the questions leaving no doubts. Thank you Sandra for all the patience!

    3/09/2021
  • Sharon L.

    This office is so convenient for me and easy to make appointments, they are always able to get me right in. They were thorough and communicated everything nicely and I was able to get real relief. Dr. Correa and Daniel were great.

    3/07/2021
  • Joanna E.

    Dr. Muniz is very compassionate, competent and thorough. His staff from the front desk to the MAs and nurses are all friendly and knowledgeable as well. I’ve been seeing allergist for years and he is the first one to discover I have a dog allergy!

    3/05/2021
  • Lyndsey F.

    Dr. Sohn took her time to explore all my symptoms and gave me solid sounding reasoning behind her prescribed actions. She was patient and knowledgable. The staff at this office are very kind and patient as well. Thanks to Nurse Claudia who took care of us!

    3/05/2021
  • Nishant N.

    Dr. Jenni Yoon is very patient and tries to understand the complete history of the patient before recommending any allergy tests. She also explains the results in very good detail. We had a very good experience. I recommend the place.

    3/04/2021
  • Veronica M.

    I was able to get an appointment quickly. the friendly staff was helpful and professional at all times. The office was clean and well cares for. Dr. Bartlett and her team took great care in administering my allergy tests and explained everything to me.

    3/03/2021
  • Kristen P.

    I have been taking my daughter here for over a year. Very friendly and clean. We love it, staff is great.

    3/03/2021

If you’re ready to take the next step toward better health, locate your nearest Allergy and Asthma Center and schedule an appointment today.
Announcement image

Our Annapolis office is moving to a new location!


We are excited that our Annapolis location will be moving on April 15, 2021 to a new location at: 810 Bestgate Rd #225 Annapolis, MD 21401. We are expanding our hours to include Tuesdays 9-5:00 pm, beginning on 4/27/21. We are accepting new patients at our new office and you can effortlessly submit your appointment request online in a span of a few clicks. We will get back to you the next business day. Thank you!