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Marshfield Clinic Health System - Corporate Information

​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​Six Marshfield physicians pooled their expertise in 1916 to form Marshfield Clinic, founding what has grown to be one of the largest private, multispecialty group practices in the United States.​

Physicians in 170+ specialties and subspecialties in more than 50 Wisconsin locations provide care to patients for them to live fuller, richer lives.​

Community engagement

Learn how our services impact your community. View our 2017 a​nnual report. Stories in this report are just a few examples of the extensive work being done throughout the system to make a difference in our communities and people’s lives.


Marshfield Clinic Research Institute (MCRI) was established in 1959. Housed primarily in the Lawton Center and the Melvin R. Laird Center on the Marshfield campus, MCRI scientists conduct clinical research, rural and agricultural health and safety research, work in human genetics, epidemiology and biomedical informatics.


Marshfield Clinic Education Foundation has a history of commitment to education and public service. Marshfield Clinic annually provides over 900 students with nearly 1,500 educational experiences. Residency programs include internal medicine, pediatrics, medicine and pediatrics, dermatology, surgery, transitional year and pharmacy as well as fellowships in palliative care, non-operative spine and post-doctoral psychology. As an academic campus of the University of Wisconsin School of Medicine and Public Health, Marshfield Clinic provides clinical and educational experiences for students of every level.

Security Health Plan of Wisconsin, Inc.

Security Health Plan of Wisconsin, Inc., is the health maintenance organization owned by Marshfield Clinic, providing comprehensive health insurance options to more than 200,000 people across all 72 counties in Wisconsin. Security Health Plan was created in 1986 as an outgrowth of Greater Marshfield Health Plan, established in 1971.


Marshfield Clinic’s Outreach Services program provides service to over 1,200 hospitals, clinics and other sites. Services include off-site physician consultation, 24-hour EKG interpretation, mobile echocardiography, reference laboratory, regional blood banking, radiology, EEGs, orthotics/prosthetics, radiation physics, pulmonary function and biomedical electronics.​​