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Specialties
- Allergy
- Allergy and Clinical Immunology
- Environmental Allergy
- Allergic Skin Diseases
- Allergic and Non-Allergic Rhinitis
- Pediatric Allergy
- Pediatric Immunology
Board Certification
American Board of Allergy & ImmunologyAmerican Board of Internal Medicine (Internal Medicine)Patient Rating
4.9 /5( out of 193 reviews )The patient rating score is an average of all responses on our patient experience survey. The rating averages scores for all questions about care from our providers.
The scale on which responses are measured is 1 to 5 with 5 being the best score.
Patient Comments
Patient comments are gathered from our patient experience survey and displayed in their entirety. For the convenience of our visitors, some patient comments have been translated from their original language into English while preserving their original meaning as accurately as possible. Patients are de-identified for confidentiality and patient privacy.
November 23, 2025MIDVALLEYDr Olsen is one of the best asthma allergy and immunology doctors I know. He is very thorough and knowledgeable in all aspects of his field. He was able to get my conditions under control and diagnosed for that I am ever grateful. He and billing even worked with me when my insurance did not take him.
November 06, 2025SUGAR HOUSE HEALTH CENTERHe is great! He is doing everything he can to make sure that I am getting the best care with whatever is going on with my asthma.
October 29, 2025MIDVALLEYDoctor Olsen discussed some new options for treatment for allergies that I was not aware of so I'm excited to try them and it was a positive experience at the AllergyClinic
October 24, 2025MIDVALLEYDr Olsen is great. He is very concerned about my issues and making sure we get the right treatment for my issues.
October 23, 2025MIDVALLEYThe BEST
October 12, 2025MIDVALLEYDr. Olsen is very knowledgeable regarding asthma, allergies and the causes and treatments and has helped me a great deal.
October 01, 2025SUGAR HOUSE HEALTH CENTERI love how Dr. Olsen can be serious and funny at the same time trying to get a point across to my teenage daughter.
October 01, 2025SUGAR HOUSE HEALTH CENTERVery personable and kind . Explained my condition and gave me literature for information. Gave me good instruction on how to deal with it .
August 20, 2025MIDVALLEYWe really appreciate the great care! Dr. Olsen puts you at ease and is reassuring!
August 18, 2025MIDVALLEYDr. Olsen and his assistant are amazing.
August 11, 2025MIDVALLEYHe was very good working with my daughter, my analytical husband, and emotional mother!
July 16, 2025MIDVALLEYExcellent [TRANSLATED]
July 16, 2025MIDVALLEYVery attentive and concerned about my issuesl
July 12, 2025MIDVALLEYDr Olsen is incredible!! I have a difficult Asthma case and he has made sure that I receive the treatment that helps, and I had tried several. One Dr just told me that if my airways were my lungs they could do a transplant but that is not possible with airways and that was pretty much it. Dr Olsen didn't quit until he found out what would help me. He is the BEST!!
July 09, 2025MIDVALLEYAMAZING! Such a great experience each time I go.
July 04, 2025MIDVALLEYHe gave me CB peace iof mind. . Educated me to understand my issues and treatment suggestions. Great bedside manner.
June 30, 2025MIDVALLEYHe's over the top with helpfulness! He made some complicated concepts simple, and I need that.
June 19, 2025MIDVALLEYDr. Olsen has been my allergy specialist for many years. He is caring, professional and has been treating me for a quite a number of years. My allergies and asthma
June 19, 2025MIDVALLEYDr. Olsen is amazing! An extremely knowledgeable and caring doctor. He takes the time to understand your issues and also in explaining and helping. He really made an impact on our son's health!
June 15, 2025MIDVALLEYDr. Jonathan Olsen is a superior practitioner with great insight and knowledge. I always look forward to my visits with him as I benefit from his advice and the treatments he recommends.
June 15, 2025MIDVALLEYFantastic doctor. He listened and did not dismiss my concerns. He worked with me in navigating a difficult and time constraint med situation. I will 100% be referring him to family and friends.
June 14, 2025MIDVALLEYI think he is a very good doctor and takes the time to explain things and listens. I think he is a very good doctor.
June 05, 2025SUGAR HOUSE HEALTH CENTERHe cared about my situation and worked with me.
May 15, 2025MIDVALLEYDr Olsen provides better than just "very good" care...he takes exceptional care of his patients! We're blessed to have him him!
April 16, 2025MIDVALLEYDr. Olsen really helped me with my asthma and is a pleasure to work with!
April 10, 2025MIDVALLEYHighly recommend Dr Olsen. He is very knowledgeable about the diagnosis & care of allergy patients.
March 29, 2025MIDVALLEYVery friendly and knowledgeable. I absolutely recommend Dr Olsen's services to other!
March 25, 2025SUGAR HOUSE HEALTH CENTERI truly felt heard and validated, and my perspectives were respected and thoughtfully addressed. In the past, many doctors have been quick to dismiss my observations and concerns, even when the science does not offer definitive conclusions. However, Dr. Olsen and the staff took the time to answer my questions without making me feel rushed. They provided thorough explanations, ensuring I had the information needed to make confident and informed decisions about my health.
March 19, 2025MIDVALLEYJonathan or Dr Olsen was great to meet him. I look forward to starting my allergy shots. [NAME REMOVED]
March 12, 2025SUGAR HOUSE HEALTH CENTERListened very well to my concerns and created a helpful care plan
February 28, 2025EXTERNAL SITEExcellent at explaining things and giving options. Open to questions.
February 23, 2025MIDVALLEYDr Olsen is always pleasant. He is also very smart and ready to think out of the box, if necessary. I would always like to have him in my corner if I am sick. He'll figure it out.
February 06, 2025SUGAR HOUSE HEALTH CENTERGreat doctor, really cares about your care. And doesn't mind taking a moment to have a laugh.
February 02, 2025SUGAR HOUSE HEALTH CENTERDr. Olsen is a caring doctor that actually listens to your concerns and then works with you to address those concerns.
January 18, 2025MIDVALLEYCome and see him if you have problems!
January 16, 2025SUGAR HOUSE HEALTH CENTERDr.Olsen is a knowledgeable doctor with a welcoming bedside manner.
January 14, 2025EXTERNAL SITEListened well and involved us in the treatment plan to make sure we understood and agreed.
December 28, 2024UNIVERSITY OF UTAH MIDVALLEY HEALTH CENTERIf you want good service, Dr. Olsen is the doctor.
December 21, 2024SUGAR HOUSE HEALTH CENTERDr. Olsen was incredibly knowledgeable and took the time to thoroughly explain everything in a way that was easy to understand. Their friendly and approachable demeanor made me feel at ease throughout the visit. It was clear that they genuinely care about their patients, which made the experience even more positive.
December 19, 2024UNIVERSITY OF UTAH MIDVALLEY HEALTH CENTERDr Olsen was so good with my child. Helped him feel comfortable and explained things thoroughly. We are relieved to be working with someone who understands our concerns and will help us figure out our son's health issues.
December 13, 2024SUGAR HOUSE HEALTH CENTERGreat character!
December 12, 2024PRIMARY CHILDREN'S LEHI CAMPUSWe are so impressed with Dr. Olsen talking with his colleagues and reaching out to us to see if he can figure out why our daughter's IgE count is so high and how to treat it.
December 05, 2024SUGAR HOUSE HEALTH CENTERDr. Olsen is the best allergist I've seen in my many years of fighting my allergies. He was prepared, knew my background fully, listened carefully to my description of my symptoms, asked important questions that made me think. I am happy to have found him !
December 04, 2024SUGAR HOUSE HEALTH CENTERDr Olsen is a wonderful physician! He is kind, listens to my concerns, is very knowledgeable about my CVID. Thank you.
November 27, 2024UNIVERSITY OF UTAH MIDVALLEY HEALTH CENTERHe's honestly a great doctor he was able to help fast was in and out within 20 minutes
November 24, 2024UNIVERSITY OF UTAH MIDVALLEY HEALTH CENTERDr. Olsen is a very knowledgeable and caring doctor.
November 16, 2024UNIVERSITY OF UTAH MIDVALLEY HEALTH CENTERDr. Olsen is knowledgeable, cares about his patient's overall care not just treating the symptoms, and really focuses on you the patient. He is the best allergist I have seen in the past 40 years. He is the first one to give me real quality of life back treating my asthma.
November 09, 2024UNIVERSITY OF UTAH MIDVALLEY HEALTH CENTERI have always had a great dr patient relationship. I have been with him since 2020 because he listens and finds the best way for treating me
November 07, 2024SUGAR HOUSE HEALTH CENTERPhysician kind, efficient and thorough
November 05, 2024UNIVERSITY OF UTAH MIDVALLEY HEALTH CENTERWow! What a breath of fresh air from a provider. He listened, and proactively helped find solutions to my problems. When I messed up and we discovered I had inadvertently taken an antihistimine (who knew Pepcid was an antihistimine!) he quickly found a place in the schedule for me to retake my test. On top of all that he made the visit fun and informative.
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Board Certification and Academic Information
Academic Departments Dermatology -Assistant Professor (Clinical)
Pediatrics -Adjunct Assistant Professor
Board Certification American Board of Allergy & ImmunologyAmerican Board of Internal Medicine (Internal Medicine)Education history
Fellowship Allergy, Asthma, & Immunology - Creighton University School of Medicine Fellow Residency Internal Medicine - University of Arizona College of Medicine, Banner Good Samaritan Medical Center Resident Professional Medical Osteopathic Medicine - A.T. Still University, Kirksville College of Osteopathic Medicine D.O. Undergraduate Neuroscience - Brigham Young University B.S. Selected Publications
Journal Article
- Tracy JM, Olsen JA, Carlson J (2015). A 'difficult' insect allergy patient: reliable history of a sting, but all testing negative. Curr Opin Allergy Clin Immunol, 15(4), 358-63. (Read full publication)
- Casale TB, Olsen JA, DelasAlas HC (2013). Aquagenic urticaria. J Allergy Clin Immunol Pract, 1(3), 295-6. (Read full publication)
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News & Podcasts
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