He took the time to thoroughly review history and explain possible future treatments. He provided clear verbal recommendations and had them printed before I left.

June 13, 2023

The doctor was extremely patient and kind, did a great job of explaining things in easy to understand ways. A very nice and pleasant individual.

June 13, 2023

Dr. Cascio was fantastic. He did an excellent job listening and easing concerns. He explained things in a way that made sense and made me feel confident about the path forward with my daughters allergies and asthma. It is a good feeling to have a doctor I can trust with my daughter's care going forward.

June 3, 2023

He listened to my concerns, educated me, very kind and made sure I had all questions answered.

May 31, 2023

Dr. Cascio listened to me, and answered my questions. He is thorough and easy to talk to.

May 16, 2023

Extremely knowledgeable and personable. He ensured I was aware of all the benefits and risks of going through different treatments.

April 13, 2023

I was so pleased with how much time and attention we were given, how attentive he was to our questions and how thoroughly he explained things. So impressed!

March 29, 2023

I would like to thank Dr. Cascio, the nurse who assisted me, and the front desk staff for an excellent experience. This was my first time as a patient in the department and everyone was helpful and polite. Dr. Cascio and the nurse (I wish I could remember her name) were very, very, helpful in explaining the visit, the procedures, and with making recommendations. Their willingness to take the time to explain the symptoms, treatments and offer tips and suggestions was really helpful!

March 13, 2023

My visit with Dr Cascio went very well, he was thorough as well as friendly, he explained my concerns to me in great detail and helped me understand my diagnosis. I will definitely return to him for future needs.

February 15, 2023

Great care and communication.

November 10, 2022

Dr. Cascio took time to listen and to ask questions so that he would be best able to help me.

October 6, 2022

About

Medical Interests

Allergy testing and treatment
Allergy shots
Immune deficiency diseases and disorders
Asthma
Atopic dermatitis (eczema)
Hives
Angioedema
Allergic rhinitis
Sinusitis
Food allergy
Drug allergy

Joined McFarland Clinic

August 2022

Education & Professional Certification

Certifications

American Board of Allergy and Immunology
Basic Life Support
American Board of Internal Medicine

Education

Knox College, Galesburg, Illinois

Bachelor of Science, Biology

University of Missouri, Columbia, Missouri

Doctor of Philosophy, Immunology

Loyola University, Chicago, Illinois

Medical Doctorate

Residency

University of Iowa, Iowa City, Iowa

Internal Medicine Residency

Fellowship

University of Iowa, Iowa City, Iowa

Allergy/Immunology Fellowship

Professional Societies

Clinical Immunology Society
American College of Allergy, Asthma, and Immunology
American Academy of Allergy, Asthma, and Immunology
American College of Physicians
The Alpha Omega Alpha Honor Society
American Medical Association
Iowa Society of Allergy, Asthma, and Immunology

Professional & Personal Interests

Leadership Roles

Member, McFarland Clinic Clinical Standards Committee

Hobbies and Personal Interests

Running, home brewing, theatre, ultimate frisbee, and spending time with family.

Resources

How Aging Affects Your Immune System

Dr. Jason Cascio helps you understand how the immune system works, how it changes with aging, and ways to boost your immunity as you age.

Jason Cascio, MD, PhD

Primary Clinic

1215 Duff Avenue Office

Also Sees Patients In

Ankeny Specialty Services

Iowa Specialty Hospital - Clarion

Patient Testimonials