Within Primary Children's Heart Center, there are more than 60+ highly skilled physicians and 30+ APPs who work to treat the most complex congenital heart conditions, and are supported by more than 400 caregivers, including medical assistants, cardiac sonographers, nurses, perfusionists, respiratory therapists, social workers, genetic counselors, child life specialists, and more. About our Heart Center located at Primary Children's Hospital in Salt Lake City, UT: Located in the beautiful foothills overlooking Salt Lake Valley, Primary Children's is the premier children's hospital of Intermountain Health, and the pediatric specialty teaching hospital for the University of Utah School of Medicine.