Dr. Leyko prides himself on providing high quality care to all of his patients. He spends the time to understand his patients' medical needs and does his best to fulfill them. Dr. Leyko is highly rated in 3 conditions, according to our data. His top areas of expertise are Allergic Rhinitis, Grass Allergy, Sinusitis, and Ozena.

As an Allergist-Immunologist, I believe that listening to the patient is our most powerful tool. As changes take place in the healthcare industry, personalized care seems to be suffering. I treat every patient as the unique individual that they are. I personally interview and examine every patient, along with reviewing any testing with the patient. Treatment plans are made in concert with the patient. The patient's input is critical to a successful outcome. Dr. Manning is highly rated in 11 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 7 conditions, according to our data. His top areas of expertise are Allergic Rhinitis, Grass Allergy, Sinusitis, and Hives.

Christopher Couch is an Allergy and Immunologist in Phoenix, Arizona. Dr. Couch is highly rated in 3 conditions, according to our data. His top areas of expertise are Grass Allergy, Allergic Rhinitis, Sinusitis, and Common Variable Immune Deficiency. Dr. Couch is currently accepting new patients.

Mark Schubert is an Allergy and Immunologist in Phoenix, Arizona. Dr. Schubert is highly rated in 3 conditions, according to our data. His top areas of expertise are Grass Allergy, Allergic Rhinitis, Sinusitis, and Nonallergic Rhinopathy.

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

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.

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.

Housam Alasaly is an Allergy and Immunologist in Glendale, Arizona. Dr. Alasaly is highly rated in 8 conditions, according to our data. His top areas of expertise are Ozena, Nonallergic Rhinopathy, Allergic Rhinitis, and Grass Allergy.

Jennifer Hill is an Allergy and Immunologist in Scottsdale, Arizona. Dr. Hill is highly rated in 7 conditions, according to our data. Her top areas of expertise are Grass Allergy, Allergic Rhinitis, Sinusitis, and Allergic Conjunctivitis.

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. Dr. Anand is currently accepting new patients.

Ronald Jorgensen is an Allergy and Immunologist in Peoria, Arizona. Dr. Jorgensen is highly rated in 21 conditions, according to our data. His top areas of expertise are Grass Allergy, Allergic Rhinitis, Sinusitis, and Hives.

Kevin Boesel is an Allergy and Immunologist in Peoria, Arizona. Dr. Boesel is highly rated in 20 conditions, according to our data. His top areas of expertise are Grass Allergy, Sinusitis, Allergic Rhinitis, and Allergic Conjunctivitis.

Todd Hrabak is an Allergy and Immunologist in Glendale, Arizona. Dr. Hrabak is highly rated in 8 conditions, according to our data. His top areas of expertise are Primary Immunodeficiency (PID), Common Variable Immune Deficiency, Allergic Rhinitis, and Sinusitis.

William Higgins is an Allergy and Immunologist in Phoenix, Arizona. Dr. Higgins is highly rated in 1 condition, according to our data. His top areas of expertise are Allergic Rhinitis, Sinusitis, Vitamin D Deficiency, and Asthma in Children.

Payge Vanstechelman is an Allergy and Immunologist in Phoenix, Arizona.

Hiral Thakrar, MD, is an allergist and immunologist at Allergy, Asthma & Immunology, LTD, with two locations in Scottsdale and another in Gilbert, Arizona.She manages adult and pediatric conditions, such as allergies of the nose and skin, hives, asthma, food allergies, and drug allergies. She is board certified in both Internal Medicine and Allergy and Immunology.She is a member of the Western Society of Allergy, Asthma & Immunology, American Academy of Allergy, Asthma & Immunology (AAAAI), and American College of Allergy, Asthma, and Immunology. She has been a mentor for future aspiring allergists in medical school and residency for the past two years as a Chrysalis mentor for AAAAI.Dr. Thakrar has conducted her research in Dupilumab and its effects on patch testing for allergic contact dermatitis, alcohol reactivity in AERD, penicillin allergy, epitope binding, and single sequencing with peanut allergy. Her special interests are asthma, aspirin-exacerbated respiratory disease (AERD), food allergies, and contact dermatitis. She takes an integrative medicine approach to all these diseases.Dr. Thakrar is married and loves to spend time with her 14-month-old baby. In her free time, she enjoys yoga and meditation, traveling, and hiking, and participating in Indian cultural events. Her top areas of expertise are Grass Allergy, Allergic Rhinitis, Sinusitis, and Asthma.

Brian Millhollon is an Allergy and Immunologist in Phoenix, Arizona. Dr. Millhollon has been practicing medicine for over 44 years. His top areas of expertise are Allergic Rhinitis, Food Allergy, Sinusitis, and Grass Allergy. Dr. Millhollon is currently accepting new patients.

Praveena Kothur is an Allergy and Immunologist in Glendale, Arizona. Dr. Kothur is highly rated in 7 conditions, according to our data. Her top areas of expertise are Grass Allergy, Allergic Rhinitis, Sinusitis, and Hives.

Sanjay Patel is an Allergy and Immunologist in Scottsdale, Arizona. Dr. Patel is highly rated in 2 conditions, according to our data. His top areas of expertise are Nonallergic Rhinopathy, Ozena, Grass Allergy, and Allergic Rhinitis.

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. Dr. Wachter is currently accepting new patients.

Sahana Venkatesh is an Allergy and Immunologist in Phoenix, Arizona. Dr. Venkatesh is currently accepting new patients.

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

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