At Advanced Asthma & Allergy, we believe true healing starts with a listening ear and a compassionate heart. As a premier, patient-centered practice, we are dedicated to providing exceptional, cutting-edge care for families seeking skilled, empathetic wellness support.

Our bilingual staff ensures your journey to better health is seamless and respectful. By minimizing wait times and offering thorough, unhurried consultations, we ensure your time, comfort, and peace of mind remain our highest priorities.

Comprehensive Care for Lasting Relief

We offer the latest advancements in allergy and asthma testing and treatment. Whether you are managing a lifelong condition or seeking answers for a new symptom, we provide personalized care for a wide range of health concerns:

• Respiratory Health: Asthma, chronic bronchitis, chronic cough, and recurring colds.
• Sinus & Allergy: Seasonal and environmental allergies, chronic sinusitis, and sinus headaches.
• Skin Conditions: Eczema, skin allergies, chronic itching, and hives.
• Specialized Immunology: Food allergies and clinical immunology disorders.

Meet Dr. LeSon: A Mind-Body Approach to Healing

“Health is not just the absence of symptoms—it is a state of centered, present, and empowered living.”

Based in Orange County, Dr. LeSon is a UC Davis-trained allergist-immunologist with over 30 years of clinical experience. He has helped thousands of patients transform their lives by shifting how they think, feel, and act regarding their health.

Inspired by early memories of self-directed healing, Dr. LeSon believes deeply in the powerful connection between mind and body. He practices with genuine empathy, working to ease the stress, fear, and anxiety that often accompany chronic conditions. Through patient education, he empowers you to take proactive, confident steps toward your wellness goals.

Why Patients Trust Us

Choosing the right partner for your health journey matters. Here is what sets our practice apart:

• 30+ Years of Experience: Trusted expertise that has transformed thousands of lives across decades of care.
• Bilingual & Accessible: A diverse, multilingual staff ready to serve our community comprehensively.
• A Family-First Philosophy: A welcoming environment where every question is answered and every concern is heard.
• A Sanctuary of Calm: A patient experience defined by compassion, clinical excellence, and tireless dedication.

Take the Next Step in Your Health Journey

Experience a transformative approach to your health. Contact Advanced Asthma & Allergy today to schedule your comprehensive evaluation.

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