Dr. Jacob T. Maddux

An Arizona native, Dr. Manning has very deep roots in the valley. His interest in allergy and immunology started when he was a patient in the office that he eventually joined.He was very fortunate to start his career under the guidance of his childhood allergist and mentor, Dr. Hartley. This background gives Dr. Manning a unique insight and compassion for his patients.His expertise includes allergies, asthma, sinusitis, food allergies, drug allergies, angioedema and hereditary angioedema, hives, contact dermatitis, aspirin and other drug desensitization, and immune deficiencies. Dr. Manning lectures throughout the United States, oversees a cutting-edge research department within his practice, and is active in educating medical students, residents, and allergy fellows.For many years, Dr. Manning coached his sons in various youth sports. He was active on the boards of the different little league and high school sports. He has always had a love for running and enjoys completing half and full marathons with his daughter. He and his wife are also passionate about animal rescue. Dr. Manning is rated as a Distinguished provider by MediFind in the treatment of Common Variable Immune Deficiency. His top areas of expertise are Common Variable Immune Deficiency, Allergic Rhinitis, Grass Allergy, and Sinusitis.

Ronald Jorgensen is an Allergy and Immunologist in Scottsdale, Arizona. Dr. Jorgensen is rated as a Distinguished provider by MediFind in the treatment of Common Variable Immune Deficiency. His top areas of expertise are Grass Allergy, Allergic Rhinitis, Sinusitis, and Hives. Dr. Jorgensen is currently accepting new patients.

Eiza Ching is an Allergy and Immunologist in Peoria, Arizona. Dr. Ching is rated as a Distinguished provider by MediFind in the treatment of Common Variable Immune Deficiency. Her top areas of expertise are Sinusitis, Grass Allergy, Allergic Rhinitis, and Primary Immunodeficiency (PID). Dr. Ching is currently accepting new patients.