Specialties
- Allergy
- Allergy and Clinical Immunology
- Environmental Allergy
- Allergic Skin Diseases
- Allergic and Non-Allergic Rhinitis
- Pediatric Immunology
- Pediatric Allergy
Board Certification
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American Board of Internal Medicine (Internal Medicine)
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Patient Rating
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.
He always makes a tough situation easy for the kids. He explains so they understand and makes sure they feel comfortable. Dr. Olsen is great, so glad we were able to change offices with him.
Dr. Olsen is very knowledgeable regarding asthma, allergies and the causes and treatments and has helped me a great deal.
Physician kind, efficient and thorough
Dr. Olsen is a very knowledgeable and caring doctor.
Listened very well to my concerns and created a helpful care plan
He cared about my situation and worked with me.
Highly recommend Dr Olsen. He is very knowledgeable about the diagnosis & care of allergy patients.
Dr. Olsen really helped me with my asthma and is a pleasure to work with!
Dr. Olsen is amazing. He is thorough, explains why and how. He takes the time necessary to listen and help.
Has kept me alive for a long time. THANKS
I have been Dr. Olsen's patient for quite a few years. He is very knowledgeable and caring. He listens to what I'm telling him and has a great sense of humor. I'm very happy to be one of his patients.
I highly recommend Dr Olson. He has helped me with a very difficult condition and I am doing great!
Dr. Olsen was very professional and friendly when treating me. He listened to what I said and his explanations were in language I could understand. His calm manner made me feel relaxed and confident that he will be able to figure out my medical problem.
AMAZING! Such a great experience each time I go.
I love how Dr. Olsen can be serious and funny at the same time trying to get a point across to my teenage daughter.
Dr Olsen is great. He is very concerned about my issues and making sure we get the right treatment for my issues.
Dr 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.
Come and see him if you have problems!
We 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.
He's honestly a great doctor he was able to help fast was in and out within 20 minutes
Dr. Olsen put me at ease. I scheduled the appointment actually not expecting the level of care I received. It was a minor problem but very concerning to me. I was taken seriously and the visit ended with a satisfactory result.
Jonathan or Dr Olsen was great to meet him. I look forward to starting my allergy shots. [NAME REMOVED]
I 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.
He's the very best!! I'm so happy I'm in his care now! He's absolutely amazing! 5 stars
Dr Olsen is a very thoughtful doctor. He is truly interested how I am doing and makes sure I understand the course of treatment.
Dr Olsen is a very kind person and has helped me stay healthy.
Dr Olsen is exceptional! UofU its staff, and his patients are blessed to have him.
Dr Olsen is a wonderful immunologist! He has provided care for me over the past decade. I feel as though he really takes the time to listen and understand his patients and create a care plan that is unique to them.
Dr Olsen is a compassionate and caring physician. He is very knowledgeable about CVID. He includes my wishes in medical decisions and is patient and respectful.
He is very knowledgeable on asthma and gets the right treatment to my kids that have it very active. I trust his judgment 100%
Dr. 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.
Dr. Olsen is a caring doctor that actually listens to your concerns and then works with you to address those concerns.
I was happy that I could follow Dr Olsen to his new practice. He has been an awesome dr for me for years
Dr. Olsen is an extremely smart and compassionate physician. I have had asthma for years and no one has been as inclusive and thorough as he has. I feel like we're a team and I am grateful to be his patient.
Dr. Olsen was very knowledgeable and professional but also warm and kind. I felt like I was in the best hands. He's also very timely and checks all of the boxes as a great provider!
He was very good working with my daughter, my analytical husband, and emotional mother!
Dr. Olsen and his assistant are amazing.
Dr. Olsen is amazing! I used to just suffer with my allergies. I now have hope that my allergies can be improved or resolved.
Dr. 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.
Dr. 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 !
He's very caring and very on top of my disease! He really cares about his patients!
Great doctor, really cares about your care. And doesn't mind taking a moment to have a laugh.
He gave me CB peace iof mind. . Educated me to understand my issues and treatment suggestions. Great bedside manner.
Dr 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!!
Dr. 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.
He was great. Dr. Olsen didn't dismiss my concern as a result of another health issue, without looking more into.
He 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.
Very friendly and knowledgeable. I absolutely recommend Dr Olsen's services to other!
Dr.Olsen cares deeply for his patients! He had so much gompsssion and is always eillingbyomhomyo bstbtonhrlpnjisvpatients! My daughter and I can't Thank him enough ! He's the best!!
He is great. He takes great care of me and my health.
Wow! 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.
Listened well and involved us in the treatment plan to make sure we understood and agreed.
Dr Olsen has taken care of ne for a very long time. He has a very pleasant demeanor taking as much time as needed to address all issues. He's very professional, but also a lot of fun. I trust his treatment recommendations.
Dr Olsen is an incredible immunologist & allergist! I'm blessed to have him as one of my doctors!
Great first impression.
Great character!
Excellent at explaining things and giving options. Open to questions.
Dr. Olsen is amazing! My daughter and grandchildren see him too. He has helped improve all our lives!
Dr. Olsen is a very caring and knowledgeable doctor. I have appreciated his thoroughness of his care and treatments.
Excellent doctor who listens and explains things wonderful!
Very personable and kind . Explained my condition and gave me literature for information. Gave me good instruction on how to deal with it .
Dr. Olsen is an excellent provider! He takes the time to listen and is very thorough. I'm so glad he's my immunologist!
Very knowledgeable and attentive provider.
Dr Olsen is a wonderful physician! He is kind, listens to my concerns, is very knowledgeable about my CVID. Thank you.
I 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
We really appreciate the great care! Dr. Olsen puts you at ease and is reassuring!
Doctor 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
Fantastic 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.
Dr. 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
He's over the top with helpfulness! He made some complicated concepts simple, and I need that.
Excellent [TRANSLATED]
Dr Olsen is a great Dr, Very knowledgeable and friendly
We arrived to our appointment almost 18 minutes late and Dr. Olsen still saw us. He is awesome and we figured out that my daughter no longer has a dairy allergy.
Dr. Olsen was phenomenal to work with. Made transitioning to him super easy and very personable with my kids (who the appointment was for). He broke down things and spent quality time listening to my concerns and getting to know and answering my kids questions.
Dr.Olsen is the most knowledgeable allergist I have ever had, and there have been several allergists during my lifetime. My health has improved significantly since he began treating my allergies! He is also very down to earth, will explain the complexity of an allergy, for example latex and everything that falls under latex. He also explained that I had a raw food allergy on some foods and how to process it. Life changing! I recommend Dr Olsen to everyone who has allergies.
And I don't give 5 stars reviews... But I am
Dr. Olsen is smart, funny and so kind in navigating a life changing diagnosis. He is by far my favorite provider
Dr. Olsen is one of the best doctors I've ever visited. He is super friendly and listens to my concerns.
Best doctor EVER!
Very attentive and concerned about my issuesl
Dr 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.
Dr Olsen provides better than just "very good" care...he takes exceptional care of his patients! We're blessed to have him him!
Dr 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.
The BEST
I think he is a very good doctor and takes the time to explain things and listens. I think he is a very good doctor.
Dr. 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!
Use one of the other providers available if you can.
Dr. Olsen is amazing! He is helping me with my allergies - giving me options that I didn't know existed before. I am feeling so much better since I started seeing him
Dr. Olsen is the BEST allergist I have found, I feel better now than I have in years! [NAME REMOVED]
Dr Olsen is an outstanding, trusted physician!
Dr.Olsen is a knowledgeable doctor with a welcoming bedside manner.
If you want good service, Dr. Olsen is the doctor.
Dr. Olsen has been a huge blessing to me and my health. I will be forever grateful to him.
Dr. Olsen is very knowledgeable in the care of those patients with allergies. He listens well to patients and includes them in decisions on their care. I highly recommend him to anyone in need of medical care related to allergies.
Board Certification and Academic Information
| Academic Departments |
Pediatrics
-Adjunct Assistant Professor Dermatology -Assistant Professor (Clinical) |
|---|---|
| Board Certification |
American Board of Internal Medicine (Internal Medicine)
|
Education history
| Undergraduate | Neuroscience - Brigham Young University | B.S. |
|---|---|---|
| Professional Medical | Osteopathic Medicine - A.T. Still University, Kirksville College of Osteopathic Medicine | D.O. |
| Residency | Internal Medicine - University of Arizona College of Medicine, Banner Good Samaritan Medical Center | Resident |
| Fellowship | Allergy, Asthma, & Immunology - Creighton University School of Medicine | Fellow |
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.
- Casale TB, Olsen JA, DelasAlas HC (2013). Aquagenic urticaria. J Allergy Clin Immunol Pract, 1(3), 295-6.