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About
I pursued a career in Pediatric Pulmonary and Sleep Medicine due to an interest in taking care of a diverse patient population with complex medical, but also personal needs. In this field, I am able to take care of children when they are critically ill, support them during recovery, and see them grow and thrive. I am also able to work to support a family while managing the challenges of having a child with a chronic medical illness. I believe in providing evidence based care, even if that means searching for answers in the literature after a visit, working with a family to determine their goals, and supporting children in order to let them thrive.
Titles
- Pulmonologist, Children's Wisconsin
- Assistant professor, Medical College of Wisconsin
Certifications
- Pediatrics
- Sleep Medicine
- Pediatrics
- Pediatric Pulmonology
Education
- 2013, Midwestern University, DO
- Elmhurst University (Elmhurst, IL), BS
Residencies
- 2016, Maimonides Medical Center - Pediatrics
Fellowships
- 2020, University of Michigan - Sleep Medicine
- 2019, C S Mott Childrens Hospital (Michigan) - Pediatric Pulmonary
Conditions & Treatments
Insurance Information
If you're not sure whether your health plan covers care at Children's Wisconsin, it's best to call your insurance company. They can tell you if your plan includes Children's and how much it will pay. It's also a good idea to look at your plan so you know what costs you might have. You can also reach out to our team for any questions.
Ratings & Reviews
4.8
Overall Parent and Patient Rating
See What Parents and Patients are Saying:
11/4/2025
Lovely experience, always a pleasure when we see Dr. Castner! She never makes us feel like she has to rush to another appointment and always gives us the time needed to review concerns and co-determine (patient and doctor) next steps.
10/20/2025
It was a positive experience.
9/19/2025
Dr. Castner is wonderful. She listens to everything I have to say and has wonderful advice but highly recommend her.
8/21/2025
The provider was 50 minutes late. The appointment was at 11am and we didn't see her until 11:50am. Nobody let us know that she was running late. It was a very frustrating experience. This is not the first time this happens with Dr. Castner either. Better communication and respect for our time would be appreciated.
8/20/2025
Dr Castner is absolutely amazing! Always answers my questions & concerns, always takes time to explain to me things in an easy way. Her and her team are incredible, best doctors I've had the pleasure to work with.