Allergy specialist Dr. Jonathan Olsen

Granger Medical Clinic is excited to welcome Allergy specialist Dr. Jonathan Olsen. Dr Olsen Dr. Olsen specializes in allergy, asthma, and immunology and sees both children and adults. He joins Granger Medical Clinic September 6th, 2016 and has experience treating allergies, asthma, severe eczema, immunodeficiencies and hereditary angioedema in addition to other allergic and immunologic conditions. He comes to Granger Medical Clinic from Rocky Mountain Allergy, Asthma & Immunology, and we are thrilled to have his expertise and quality care for our patients.

Dr. Olsen is board certified by the American Board of Allergy and Immunology as well as the American Board of Internal Medicine. He attended Brigham Young University where he received a B.S. in Neuroscience and attended A.T. Still University – Kirksville College of Osteopathic Medicine where he received his D.O. in 2010. He completed his internal medicine residency at Banner – University Medical Center Phoenix in 2013 and completed his allergy, asthma, and immunology fellowship training at Creighton University in 2015. Dr. Olsen is a member of the American Academy of Allergy, Asthma, and Immunology and the American College of Allergy, Asthma, and Immunology. He is also a member of the Joint Council of Allergy, Asthma, and Immunology and the American Medical Association.

Dr. Olsen is a native of Utah and grew up in Lehi, UT. He enjoys living life to the fullest with his wonderful wife and three delightful daughters. They enjoy playing games, hiking, watching paragliders, and having movie night together. Dr. Olsen is an avid runner and hopes to one day travel the world.




American Board of Internal Medicine Certified 8/2013 Exp 12/31/2023

American Board of Allergy & Immunology Certified 11/2015 Exp 12/31/2025



Skin testing (pollen, food, medication), patch testing, pulmonary function testing, skin

biopsy, subcutaneous aeroallergen Immunotherapy (allergy shots), oral food

challenges, drug challenges or desensitizations, immunomodulatory

medication administration (IV or injection)