Redondo Beach Allergy Physicians 1711 Via El Prado, Suite 101 Dr. Ziegner offers patients advanced diagnostics and treatments as they become available. Treatment begins with allergy testing for identifying the substances to which the patient is allergic. In the case of hay fever, the cause may be readily apparent. For some patients, immunotherapy brings long-term relief. Dr. Ziegner creates customized, highly precise immunotherapy to control environmental allergies. Redondo Beach CA Allergy Physicians Riviera Allergy Medical Center www.rivieraallergy.com Nasal allergies Hay Fever Immunotherapy skin allergies asthma sinus problems headaches Nasal allergies Hay Fever Immunotherapy skin allergies asthma sinus problems headaches Business Reviews Riviera Allergy Medical Center Testimonials