Welcome to Advanced Asthma & Allergy

Care with Compassion

Advanced Asthma & Allergy is a premier, patient-centered practice focused on asthma, allergies, and clinical immunology. We are dedicated to providing exceptional care to patients seeking a skilled and compassionate physician. Our bilingual staff ensures that you receive swift and comprehensive treatment for a range of conditions, including asthma, allergies, chronic bronchitis and cough, chronic sinusitis and headaches, skin allergies and eczema, chronic itching and hives, food allergies, and recurring colds.

At Advanced Asthma & Allergy, we take pride in delivering the latest advancements in allergy and asthma testing and treatment. Our commitment to exceptional care means we prioritize your time and attention. We strive to make every interaction with our doctors thorough and respectful, ensuring your questions are answered and wait times are minimized.

Dr. LeSon, a UC Davis-trained allergist-immunologist based in Orange County, practices with genuine empathy and dedication. He transforms the lives of his patients by alleviating their stress, fear, and anxiety, instilling a profound sense of calm and peace. Through his educational approach, he empowers individuals to take proactive steps toward achieving their health and healing goals.

With over thirty years of experience, Dr. LeSon has helped thousands of people change their lives by altering the way they think, feel, and act. He draws inspiration from his early childhood memories of self-directed healing, a philosophy that flourished when he opened his clinic. He firmly believes in the powerful mind-body connection, advocating for a centered and present approach to health at all times.

Dr. LeSon takes immense pride in the heartfelt testimonials from patients who describe his practice as not only caring and compassionate but also tirelessly focused on delivering excellence in service. Choose Advanced Asthma & Allergy for a transformative experience in your journey toward better health.

Advanced Asthma & Allergy
12512 Garden Grove Blvd
Garden Grove, CA 92843-1907
T: (714) 590-1611