3 Best Allergists & Immunologists in Phoenix, AZ

“2026 Update: Dr. Kiranjit K. Khalsa is board-certified in Internal Medicine and Allergy and Immunology, and has extensive experience helping patients achieve better health and overall wellness. She received her Bachelor of Science in biology at Stony Brook University in Stony Brook, New York. She earned her Doctor of Medicine (MD) from St. George’s University, completed her Internal Medicine residency at Stony Brook University, and went on to complete an Allergy and Immunology fellowship at Albany Medical College. Dr. Kiranjit K. Khalsa is board-certified by the American Board of Internal Medicine and the American Board of Allergy and Immunology. She is also a member of the American College of Allergy, Asthma, and Immunology and the American Academy of Allergy, Asthma & Immunology. Dr. Kiranjit K. Khalsa has presented at national and local conferences on allergy and immunology, covering topics like chronic idiopathic urticaria, eosinophilia, and food protein-induced enterocolitis. She is the CEO of Premier Allergy Asthma & Immunology, PLLC. Their team specializes in diagnosing and treating a wide range of conditions, including food allergies, eczema, and related conditions. They create personalized treatment plans tailored to each patient’s needs.”

“2026 Update: Dr. Bart Leyko earned a bachelor’s degree in Biology with a minor in Psychology from the University of California and received his medical degree from Jagiellonian University College of Medicine. He completed his Internal Medicine specialty at Michigan State University in Grand Rapids and an Allergy and Immunology fellowship at Stony Brook University in New York. His specialties include immunotherapy, food allergy, and intolerance. Dr. Leyko joined the Allergy Asthma Clinic, LTD in 2004 and became its Medical Director in 2010. In 2019, he was appointed President and CEO of the clinic. He also serves as a Clinical Assistant Professor at the University of Arizona College of Medicine, contributing to the education of medical students, residents, and the community. Additionally, he works as a consultant for the Arizona Medical Board. The clinic has board-certified specialists who have provided personalized care using the latest diagnostics and treatments. ”