Welcome to Bowtie Allergy Specialists!

We specialize in clinical care for both adults and kids with allergies, asthma and immunologic/eosinophilic disorders. Karl von Tiehl, M.D., is double board-certified, and is currently accepting new patients. He is confident, compassionate, practical and professional, and he has long had a fondness for bow ties. Our practice located on the San Marino – South Pasadena border (we are the only Allergy practice in either city).

Peanut oral immunotherapy (OIT) has been approved by the FDA! We are working with the manufacturer to become an approved facility ASAP. Stay tuned for updates!

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