Dr. Mark Schubert

Ronald Jorgensen is an Allergy and Immunologist in Peoria, Arizona. Dr. Jorgensen is rated as a Distinguished provider by MediFind in the treatment of Allergic Rhinitis. His top areas of expertise are Grass Allergy, Allergic Rhinitis, Sinusitis, and Hives.

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 Allergic Rhinitis. His top areas of expertise are Common Variable Immune Deficiency, Allergic Rhinitis, Grass Allergy, and Sinusitis.

Diplomate American Board of Internal Medicine,Diplomate American Board of Allergy and ImmunologyBoard-certified in internal medicine, Aaron Davis, MD, is also a board-certified allergist and immunologist. He is dedicated to providing personalized care at Allergy, Asthma & Immunology, LTD, with two locations in Scottsdale and another in Gilbert, Arizona. He joined Allergy, Asthma & Immunology, LTD, in 2005 and serves as an investigator in clinical research trials.Dr. Davis was born and raised in Richland, Washington. He graduated from Carroll College in Helena, Montana, with a Bachelor of Arts in biology. He completed medical school at St. Louis University School of Medicine.Afterward, he moved to Arizona for his internal medicine residency at Mayo Clinic in Scottsdale and completed an allergy and immunology fellowship at Henry Ford Health Systems in Michigan.He is a member of the Academy of Allergy, Asthma, and Immunology; American College of Allergy, Asthma, and Immunology; American Medical Association; Maricopa County Medical Society; and Arizona Allergy and Asthma Society. Dr. Davis is also a diplomate of the American Board of Internal Medicine and board-eligible by the American Board of Allergy and Immunology.Dr. Davis is married to Kelly, an orthopedic physician assistant. He enjoys outdoor activities and traveling. Dr. Davis is rated as a Distinguished provider by MediFind in the treatment of Allergic Rhinitis. His top areas of expertise are Allergic Rhinitis, Grass Allergy, Sinusitis, and Hives.