Jonathan Olsen, DO, FAAAAI, FACAAI

Allergy, Asthma, & Immunology

Dr. Olsen specializes in allergy, asthma, and immunology and sees both children and adults. He joined Granger Medical Clinic August 2016 and has experience treating allergies, asthma, severe eczema, immunodeficiencies and hereditary angioedema in addition to other allergic and immunologic conditions.

To Dr. Olsen, the patient is at the center of everything he does. It is his duty to provide exceptional care, an accurate diagnosis, and superior treatment options while providing recommendations based on the current scientific evidence for allergic and immunologic conditions. He is committed to personalizing treatment plans that meet the patient’s needs while respecting their values and preferences.


Medical School
Kirksville College of Osteopathic Medicine; Kirksville, MO - 2010
University of Arizona, Phoenix Internal Medicine; Phoenix, AZ - 2013
Creighton University; Omaha, NE - 2015
Board Certified
Allergy & Immunology, Internal Medicine