About Us
We specialize in treating a wide range of allergic and respiratory conditions including environmental allergies, asthma, eczema, chronic sinusitis, hives, angioedema, venom allergies, drug allergies, food allergies, and anaphylaxis.
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Our services include comprehensive allergy testing, pulmonary function testing, allergen immunotherapy, drug testing and challenges, and personalized treatment plans tailored to each patient’s needs.

Meet the Providers
This page is under construction.
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About
Jyothi Gadde, MD
Jyothi Gadde, MD, FAAAAI, is consistently rated as one of the top allergists in the Washington area by the Washingtonian, Consumers’ Checkbook, and Northern Virginia Magazine.
Dr. Gadde helps patients with a wide range of conditions, including non-allergic rhinitis, sinusitis, asthma, drug allergies, food allergies, anaphylaxis, cosmetic allergies, eczema and hives. She offers oral immunotherapy for certain foods, allergy shots for environmental allergens, biologics for asthma, and other treatments to help manage your symptoms.
Dr. Gadde originally studied medicine at Gandhi Medical College in Secunderabad, India. She received her training in Allergy and Immunology at The Johns Hopkins University in Baltimore, MD, where she continues to be on staff as an assistant professor.
Dr. Gadde is board-certified in both allergy and internal medicine. She has been practicing in the Washington area since 1985. She has helped more than 30,000 patients to manage their allergies and asthma in order to lead healthier lives.
Dr. Gadde offers expert diagnoses and treatments to help you and your family take control of your allergies and asthma. Under her compassionate care, you will learn about your condition so you are able to make informed choices for improved health and well-being.
Dr. Gadde is available in the Fairfax, Gainesville, and Winchester offices.
About
Deepthi Gadde, MD
Dr. Deepthi Gadde, MD is a board-certified adult/pediatric allergist and clinical immunologist, who provides expert care in managing allergy and asthma symptoms.
Dr. Gadde offers her patients a variety of treatments, including allergy immunotherapy and biologics, to address environmental allergies and allergic asthma.
Dr. Gadde helps patients with a wide range of conditions, including non-allergic rhinitis, sinusitis, asthma, drug allergies, food allergies, anaphylaxis, eczema, and hives.
Dr. Gadde earned her bachelor’s degree in Management Science from Massachusetts Institute of Technology (MIT). She completed her medical degree and internal medicine residency at George Washington University. She received her training in Allergy and Immunology at The Johns Hopkins University in Baltimore, MD, where she continues to be on staff as an assistant professor.
Dr. Gadde works with you as a partner in health, helping you to understand your condition and treat it effectively. Education is a critical part of managing allergies and asthma, and her goal is to help you make informed decisions about your health.
Dr. Gadde is available in the Gainesville and Warrenton offices.
About
Bridget Joseph, MD
At Allergy and Asthma Specialists of Greater Washington, patients of all ages can meet with Bridget Joseph, MD, who has been practicing in allergy and asthma specialties since 1992. Dr. Joseph cares for patients at the Warrenton, Culpeper, and Front Royal, Virginia, clinics.
After excelling through her undergraduate studies, Dr. Joseph went on to earn her medical degree from Calicut Medical College in India. She then completed her residency training in internal medicine at Charleston Area Medical Center in West Virginia. Dr. Joseph is currently board-certified in internal medicine through the American Board of Internal Medicine.
Dr. Joseph enjoys giving back to communities in need and has been an integral part of several mission trips to Haiti. She also spent time training at the Washington DC Veterans Affairs Medical Center and continues to venture out to care for patients of all ages who need medical care.
Because Dr. Joseph believes in staying at the top of her specialty in allergy and asthma care, she continues her education and training as much as possible. When she isn’t busy caring for patients, she enjoys hiking and playing tennis.
Dr. Joseph is available in the Warrenton, Culpeper, and Front Royal offices.
About
Lynne Wu, MD
Dr. Lynne Wu has more than 15 years of experience working with patients of all ages with allergy conditions related to nasal and eye symptoms, allergy shots, sinus infection, asthma, food allergy, skin conditions such as eczema and hives, bee sting and other insect allergy, and also patients who have frequent infections due to immune system issues. >
She has received board certifications in Allergy/Immunology, and Internal Medicine.
She received her medical school degree from the University of Washington School of Medicine. She trained in Internal Medicine at the University of Texas Medical Branch, and trained in allergy and immunology at the National Institutes of Health where she had numerous publications.
She will take time to get to know you and your symptoms so to find the best solutions for your health issues.
About
Lauren Vogan, PA-C
Lauren Vogan, PA-C, is a seasoned, board-certified Physician Assistant whose clinical career is built on two decades of experience and a truly multidisciplinary background.
Lauren's journey began with a unique blend of interests: a Bachelor of Arts in Design, a minor in Art History, and a focus on Premedical Sciences from The George Washington University. This foundation in creativity and critical thinking complements the medical rigor she gained while completing her Physician Assistant degree at Le Moyne College.
Clinically, she has served patients in a wide range of settings, including Family Practice, Pediatrics, and Inpatient Child and Adolescent Psychiatry. The heart of her practice, however, lies in Asthma, Allergy, and Immunology, where she has spent the majority of her career. Lauren provides expert clinical care in the diagnosis and management of immunologic and allergic conditions, including asthma, chronic urticaria (hives), anaphylaxis, food allergies, respiratory allergies, and immunodeficiencies. She has a particular interest in working with the pediatric population.
Outside the clinic, Lauren embraces rural farm life alongside her husband, children, and a variety of animals. This deep connection to nature, design, and her community continually informs her holistic approach to health and well-being. Lauren provides expert clinical care in the diagnosis and management of immunologic and allergic conditions, including asthma, chronic urticaria (hives), anaphylaxis, food allergies, respiratory allergies, and immunodeficiencies. She has a particular interest in working with the pediatric population.
