… working tirelessly in this demanding field, and we are blessed to have one of the best working for our practice. Karen Mueller is not only a nurse practitioner but … a rigorous application process and document submission, as well as a three-day site visit by Magnet-certified nurse appraisers, the Commission on Magnet unanimously … working tirelessly in this demanding field, and we are blessed to have one of the best working for our practice. Karen Mueller is not only a nurse practitioner but …