Allergy Testing & Diagnosis
Accurate identification of environmental, animal, and food triggers utilizing precise diagnostic methods including skin patch testing and oral food challenges.
Welcome to Olympia Allergy and Immunology, the practice of Dr. Jon Welch, MD. We specialize in providing comprehensive testing, effective desensitization therapies, and clear treatment pathways for patients of all ages in Bellevue and the greater Seattle area.
To ensure secure, timely, and direct communication with Dr. Welch's clinical staff, all patients are required to use the Klara framework. We utilize this platform to streamline your care and protect your privacy.
Please note: Inbound calls and voicemails are rarely processed by our front desk. For the fastest response, please launch the messenger below.
Launch Secure Klara PortalAccurate identification of environmental, animal, and food triggers utilizing precise diagnostic methods including skin patch testing and oral food challenges.
Specialized immunotherapy and desensitization pathways designed to safely build tolerance against severe anaphylactic food allergies and insect stings.
Targeted medical strategies for managing chronic asthma flares, atopic dermatitis (eczema), hives, and complex immunodeficiency conditions.
Real experiences from our patients in Bellevue and the greater Seattle area.
Bellevue, WA
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| Day | Morning | Afternoon |
|---|---|---|
| Mon | 8:30 – 11:30 AM | 1:00 – 4:30 PM |
| Tue | 8:30 – 11:30 AM | 1:00 – 4:30 PM |
| Wed | 8:30 – 11:30 AM | 1:00 – 4:30 PM |
| Thu | 8:30 – 11:30 AM | 1:00 – 4:30 PM |
| Fri | 8:30 – 11:30 AM | — |
No appointment needed for regular allergy shots.