Frederick "Fritz" Wenzel

Executive Director (Interim)

Marshfield Clinic Research


1000 North Oak Avenue
Marshfield, WI  54449


  • Location: Marshfield, Wisconsin
  • Year established: 1959
  • Active studies: 583 in 2012
  • Peer-reviewed publications: 191 in 2012
  • Website:



Marshfield Clinic Health System

Security Health Plan 

  • Headquarters: Marshfield, Wisconsin
  • Year established: 1916
  • CEO: Susan L. Turney, MD, FACP
  • CMO: Laura M. Nelson, MD, MBA
  • Patients/members served: 380,000 unique clinic patients per year / 200,000 health plan members 
  • Areas served: Northern, Central and Western Wisconsin
  • Website: |
The mission of the Marshfield Clinic Research Institute(MCRI) is to discover and communicate scientific knowledge that substantially improves human health and well-being. To learn more, visit



Special Research Facilities

  • Epidemiology Research Center
  • Clinical Research Center
  • Biomedical Informatics Research Center
  • Center for Human Genetics
  • National Farm Medicine Center 

Top 3 Funding Agencies

  • National Institute for Occupational Safety and Health
  • National Cancer Institute
  • CDC - National Center for Immunization and Respiratory Diseases