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 highly rated in 12 conditions, according to our data. 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 highly rated in 8 conditions, according to our data. His top areas of expertise are Allergic Rhinitis, Grass Allergy, Sinusitis, and Hives.

Duane Wong is an Allergy and Immunologist in Chandler, Arizona. Dr. Wong is highly rated in 13 conditions, according to our data. His top areas of expertise are Grass Allergy, Common Variable Immune Deficiency, Sinusitis, and Primary Immunodeficiency (PID).

Miriam Anand is an Allergy and Immunologist in Tempe, Arizona. Dr. Anand is highly rated in 6 conditions, according to our data. Her top areas of expertise are Allergic Rhinitis, Sinusitis, Grass Allergy, and Hives.

Darrell Wong is an Allergy and Immunologist in Chandler, Arizona. Dr. Wong is highly rated in 6 conditions, according to our data. His top areas of expertise are Grass Allergy, Allergic Rhinitis, Sinusitis, and Hives.

Laine Keahey is an Allergy and Immunologist in Chandler, Arizona. Dr. Keahey is highly rated in 6 conditions, according to our data. Her top areas of expertise are Grass Allergy, Allergic Rhinitis, Sinusitis, and Food Allergy.

Ronald Mittel is an Allergy and Immunologist and a Pediatrics provider in Phoenix, Arizona. Dr. Mittel is highly rated in 18 conditions, according to our data. His top areas of expertise are Grass Allergy, Sinusitis, Allergic Rhinitis, and Hives. Dr. Mittel is currently accepting new patients.

Jacob Maddux is an Allergy and Immunologist in Scottsdale, Arizona. Dr. Maddux has been practicing medicine for over 10 years is highly rated in 14 conditions, according to our data. His top areas of expertise are Allergic Rhinitis, Conjunctivitis (Pink Eye), Grass Allergy, and Sinusitis.

Rahul Rishi is an Allergy and Immunologist in Phoenix, Arizona. Dr. Rishi is highly rated in 8 conditions, according to our data. His top areas of expertise are Grass Allergy, Allergic Rhinitis, Sinusitis, and Hives.

David Reeder is an Allergy and Immunologist in Chandler, Arizona. Dr. Reeder is highly rated in 6 conditions, according to our data. His top areas of expertise are Conjunctivitis (Pink Eye), Ozena, Nonallergic Rhinopathy, and Grass Allergy.

Robert Hellmers is an Allergy and Immunologist in Chandler, Arizona. Dr. Hellmers is highly rated in 2 conditions, according to our data. His top areas of expertise are Common Variable Immune Deficiency, Primary Immunodeficiency (PID), Grass Allergy, and Allergic Rhinitis.

Dr. Melissa Ferrell, DNP FNP-BC is a board certified Family Nurse Practitioner and earned her Doctor of Nursing Practice degree from the University of Arizona. Her dissertation topic was focused on sublingual immunotherapy and how to improve nurse practitioner knowledge and management of patients on this treatment. She was the recipient of the Top DNP Project award upon graduation. She also provides consultation services for clinicians throughout the United States who are prescribing sublingual immunotherapy in their practice. Dr. Ferrell worked alongside Dr. Stuart Agren, MD at the Family Allergy Clinic for several years prior to his retiring. Dr. Ferrell enjoys cycling, wakeboarding, riding her quad and most importantly, spending time with her husband and three children. Her top areas of expertise are Allergic Rhinitis, Atopic Dermatitis, Asthma in Children, Asthma, and Hormone Replacement Therapy (HRT).

Sandra Mele is an Allergy and Immunologist and an Emergency Medicine provider in Mesa, Arizona. Her top areas of expertise are Atherectomy and Endoscopy. Dr. Mele is currently accepting new patients.

Alison Hoeger is an Allergy and Immunologist in Chandler, Arizona. Her top areas of expertise are Allergic Conjunctivitis, Grass Allergy, Conjunctivitis (Pink Eye), and Allergic Rhinitis.

Caitlin Suriano is an Allergy and Immunologist in Chandler, Arizona. Her top areas of expertise are Grass Allergy, Allergic Rhinitis, Sinusitis, and Angioedema.

Doina Lapusan is an Allergy and Immunologist in Gilbert, Arizona. Dr. Lapusan is highly rated in 7 conditions, according to our data. Her top areas of expertise are Allergic Conjunctivitis, Sinusitis, Conjunctivitis (Pink Eye), and Allergic Rhinitis.

Fadia Habib-Khazen is an Allergy and Immunologist in Phoenix, Arizona. Dr. Habib-Khazen is highly rated in 3 conditions, according to our data. Her top areas of expertise are Allergic Rhinitis, Grass Allergy, Sinusitis, and Ozena. Dr. Habib-Khazen is currently accepting new patients.

Keith Sacco is an Allergy and Immunologist in Phoenix, Arizona. Dr. Sacco is highly rated in 2 conditions, according to our data. His top areas of expertise are Chronic Granulomatous Disease, Hives, Muckle-Wells Syndrome, and Anaphylaxis.

Cindy Bauer is an Allergy and Immunologist in Phoenix, Arizona. Dr. Bauer is highly rated in 2 conditions, according to our data. Her top areas of expertise are Eosinophilic Esophagitis, Asthma, Stridor, and Grass Allergy.

Jodi Rubin is an Allergy and Immunologist in Scottsdale, Arizona. Dr. Rubin is highly rated in 2 conditions, according to our data. Her top areas of expertise are Allergic Rhinitis, Sinusitis, Grass Allergy, and Nasal Polyps.

Katheryn Black is a primary care provider, practicing in Allergy and Immunologist in Phoenix, Arizona. Dr. Black is highly rated in 1 condition, according to our data. Her top areas of expertise are Type 2 Diabetes (T2D), Maturity Onset Diabetes of the Young, Klinefelter Syndrome, and Grass Allergy.

Allan Wachter is an Allergy and Immunologist in Phoenix, Arizona. Dr. Wachter is highly rated in 1 condition, according to our data. His top areas of expertise are Grass Allergy, Hives, Allergic Rhinitis, and Sinusitis.

Hugh Mackechnie is an Allergy and Immunologist in Scottsdale, Arizona.

Renee Crawford is an Allergy and Immunologist and a Hospital Medicine provider in Scottsdale, Arizona. Her top areas of expertise are Asthma, Grass Allergy, and Eosinophilic Esophagitis. Dr. Crawford is currently accepting new patients.

Jeffrey Leitner is an Allergy and Immunologist in Scottsdale, Arizona. His top areas of expertise are Paroxysmal Supraventricular Tachycardia (PSVT), Atrioventricular Nodal Reentrant Tachycardia (AVNRT), Atrial Tachycardia, and Chronic Rhinosinusitis with Nasal Polyps (CRSwNP). Dr. Leitner is currently accepting new patients.