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Dedicating to providing quality allergy & asthma care.

meet our staff


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All of our nurses are R.N. certified and experienced in their field to further provide our patients with the utmost in quality allergy and asthma care. Idaho Allergy works in tandem with our adjoining research facility, Idaho Research, to provide our patients with the latest advances in allergy and asthma care. 

We are the only allergy practice in Idaho to offer aspirin desensitization and, most recently, food desensitization for those with peanut, tree nut, milk, egg, and soy allergies. Idaho Allergy and Idaho Research offer a full line of services for all of your allergy, asthma, and sinus needs.

our staff

About our staff & facility:

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Stephen Fritz, M.D., is a board certified allergist and dedicated asthma physician. Dr. Fritz graduated from Vanderbilt University’s Internal Medicine program in 1996. After serving as a primary care physician in the Air Force, Dr. Fritz completed his Fellowship in Allergy and Immunology at the University of Michigan in 2002. A diplomat of the American Board of Allergy, Asthma and Immunology, he has extensive experience with adult and pediatric patients. 

Stephen B. Fritz, M.D.

Courtney Flynn, F.N.P.

Courtney Flynn graduated from Johns Hopkins School of Nursing with a Bachelor of Science in Nursing in 2004. She spent four years working as an inpatient pediatric nurse prior to joining Idaho Allergy in 2008. Courtney worked as a Registered Nurse for Idaho Allergy while completing her Master’s as a Family Nurse Practitioner at Idaho State University in 2010. Courtney is an associate member of the American College of Allergy, Asthma, and Immunology.

After five years as a practicing allergy and asthma specialist in Montana, Dr. Fritz opened Idaho Allergy in 2008. Dr. Fritz has been in charge of many research studies related to his specialty, and utilizes this knowledge to the benefit of his allergy, asthma, and COPD patients. Dr. Fritz has also published multiple articles in the top two journals in his specialty and has authored a chapter in an allergy textbook used worldwide by physicians.