Mary Hondl, CEO

Mary Hondl has been the Practice Administrator with RDR since 2001. Mary has a Bachelor of Arts degree in Business Management from St. Scholastica and an Executive Masters of Business Degree from the University of St. Thomas. With 20+ years of experience in healthcare administration, she has been invaluable to the company's growth and financial management. In 2002, she founded RDR billing service, establishing and overseeing staff and billing operations.


Christina Lysen, Operations Manager

Christina Lysen is the Operations Manager at RDR. Christina is responsible for the facilities day-to-day operations. Christina has a Bachelor of Arts in Accounting and Business Management as well as a Master of Business Administration in Healthcare Leadership. She supervises and coordinates overall administrative activities for the practice. Christina is a member of the RBMA, the HHRAM and NEXT-Chamber’s Emerging Leaders.


Denise Schmitt, PACS Coordinator

Denise Schmitt joined RDR in 2007 as an Administrative Assistant and is our PACS Coordinator. Denise has a Business Administrative Assistant Diploma and a Medical Administrative Assistant Diploma from the Minnesota School of Business. She provides daily support to the Radiologists along with support to the outreach staff.


Jill Boelz, Administrative Assistant

Jill Boelz is an Administrative Assistant at RDR.  Jill provides support to our leaders and employees, assisting in daily office needs and managing our company’s general administrative activities.  Jill is active in the local Chamber of Commerce and serves as the company’s liaison.


Lisa Rademacher, Billing Department

Lisa Rademacher joined RDR in 2005.  Lisa is our Team Leader in the Billing Department.  She has a Bachelor of Arts Degree from St. Cloud State University.  Lisa oversees all aspects of the medical billing and provides supports to her team of Patient Account Representatives.