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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 86 specialties and subspecialties in more than 50 Wisconsin locations provide care to patients for them to live fuller, richer 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 in a 32-county area 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.​​

Marshfield Clinic Health System

Marshfield Clinic Health System CEO: Dr. Susan Turney​​

Chair: Mark D. Bugher, retired director, University Research Park, Madison (Independent)

Vice Chair: Mark Bradley, attorney, Ruder Ware, Wausau (Independent)

Secretary: I​​van Schaller, M.D., (Marshfield Clinic Board of Directors)

Treasurer: Tim Peterson, retired health insurance executive, Excelsior, Minnesota (Independent)​

Neelakantan Namboodiri,​ M.D.​, Northwest Division Director 

Edward Fernandez, M.D. (Marshfield Clinic Board of Directors)

Richard Fossen, M.D.​(Marshfield Clinic Board of Directors)

Terry Frankland, President and CEO, V&H Trucks, Inc. (Independent)

Bill Fonti, CEO, Furniture & ApplianceMart, Stevens Point (Independent)

George Isham, M.D., senior adviser, HealthPartners, Minneapolis, Minnesota (Independent)

Jeffrey Lamont, M.D., (Marshfield Clinic Board of Directors)

Thomas Leifheit, M.D., (Marshfield Clinic Board of Directors)

Richard (Dick) Leinenkugel​, President, Jacob Leinenkugel Brewing Company, Chippewa Falls (Independent)

Janet Lindemann, M.D.​, Dean, University of South Dakota Sanford School of Medicine (Independent)

Michael Luebke, retired telecommunications executive, Pound, Wisconsin (Independent)

Chuck Nason, retired chairman, president and CEO, Worzalla Publishing Company, Stevens Point (Independent)

Bernie Patterson, chancellor, University of Wisconsin - Stevens Point (Independent)

Kent Ray, D.O., (Marshfield Clinic Board of Directors)

Alpa Shah, M.D., (Marshfield Clinic Board of Directors)

Sushma Thappeta, M.D., (Marshfield Clinic Board of Directors)​

David A. Shore, Harvard School of Public Health, Harvard University, Cambridge, Massachusetts (Independent)

Matthew Thomas, M.D., (Marshfield Clinic Board of Directors)

Timothy Wengert, M.D​., (Marshfield Clinic Board of Directors)

Frederick J. Wenzel, retired health care executive, Monona, Wisconsin ​​(Independent)

Marshfield Clinic

Ivan B. Schaller, M.D., Chairperson

Edward Fernandez, M.D., Vice Chairperson

Thomas Leifheit, M.D., Secretary

Matthew Thomas, M.D., Treasurer

Timothy Wengert, M.D., Division 1 Director

Sushma Thapetta, M.D., Division 2 Director

Alpa Shah, M.D., Division 3 Director

Jeffrey Lamont, M.D., East Division Director

Richard Fossen, M.D., North Division Director

Neelakantan Namboodiri M.D., Northwest Division Director

Kent Ray, D.O., West Division Director

Ex-Officio Non-Voting Members

Susan Turney, M.D., Marshfield Clinic Health System, Inc., C.E.O.

Narayana Murali, M.D., Marshfield Clinic Executive Director

Marshfield Clinic was named an Accountable Care Organization (ACOs) for Medicare fee-for-service beneficiaries, by the Centers for Medicare & Medicaid Services (CMS).

ACOs create incentives for health care providers to work together to treat an individual Medicare Fee-for-Service patient across care settings – including doctors' offices, hospitals and long-term care facilities. The Medicare Shared Savings Program will reward ACOs that lower their growth in health care costs while exceeding performance standards on quality of care and putting patients first.

As a group, ACOs ensure that as many as 4 million Medicare beneficiaries across the United States have access to high-quality, coordinated care, according to Kathleen Sebelius, former U.S. Health and Human Services (HHS) secretary.

"Marshfield Clinic is dedicated to providing the highest quality health care to our patients at the lowest possible cost. Participation in the ACO program through CMS is a natural extension of our mission to bring high quality, low cost care to all of the communities we serve", said Marshfield Clinic ACO Medical Director Kori Krueger, M.D.

Becoming an ACO is a natural step in the Clinic's concerted effort to increase the quality of care for Medicare Fee-for-Service patients, while working to hold down the cost of health care.

Some of the keys to Marshfield Clinic's success in moving to value-based care are:

  • ​​Its integrated electronic health record, first developed nearly four decades ago
  • A strong primary care base 
  • Successful early adoption of the concept of patient-centered medical home
  • Integration of primary care and specialty care in one patient-centered medical record
  • A long history in care coordination and interdisciplinary teams
  • Innovative programs such as My Marshfield Clinic, Telehealth programs and others
  • Accountable care organizations share with Medicare any savings generated from lowering the growth in health care costs, while meeting standards for quality of care.

"Accountable care organizations save money for Medicare and deliver higher quality care to people with Medicare," said Sebelius. "Thanks to the Affordable Care Act, more doctors and hospitals are working together to give people with Medicare the high quality care they expect and deserve. "​ACOs must meet quality standards to ensure that savings are achieved through improving care coordination and providing care that is appropriate, safe and timely.  CMS established 33 quality measures on care coordination and patient safety, appropriate use of preventive health services, improved care for at-risk populations, and patient and caregiver experience of care.  Federal savings from this initiative are up to $940 million over four years.

Please visit​ or call 1-800-MEDICARE (1-800-633-4227 (TTY users should call 1-877-486-2048)) for general questions or additional information about Accountable Care Organizations.

Aggregate Amount of Shared Savings/Losses

Agreement period beginning 2013, Performance Year 1: $0
Agreement period beginning 2013, Performance Year 2014: $0
Agreement period beginning 2013, Performance Year 2015: $0

How Shared Savings Are Distributed

Agreement period beginning 2013, Performance Year 1, 2014, 2015

Proportion invested in infrastructure:  40%
Proportion invested in redesigned care processes/resources: 60%
Proportion of distribution to ACO participants: 0%

All shared savings will be used to support necessary infrastructure to meet the goals of the Medicare Shared Savings Program.

Payment Rule Waivers​

No, our ACO does not utilize the SNF 3-Day Rule Waiver

Quality Performance Results​

2015 Reporting Period​ ​
Measure Number ​Performance Measure ​ACO Performance Rate ​Mean Performance Rate (SSP - ACO's)
ACO-1 CAHPS: Getting Timely Care, Appointments, and Information 83.55 80.61
ACO-2 CAHPS: How Well Your Providers Communicate 93.16 92.65
ACO-3 CAHPS: Patients' Rating of Provider 91.72 91.94
ACO-4 CAHPS: Access to Specialists 82.53 83.61
ACO-5 CAHPS: Health Promotion and Education 59.62 59.06
ACO-6 CAHPS: Shared Decision Making 74.58 75.17
ACO-7 CAHPS: Health Status / Functional Status 74.57 72.30
ACO-34 CAHPS: Stewardship of Patient Resources* 18.23 26.87
ACO-8 Risk Standardized, All Condition Readmissions 14.64 14.86
ACO-35 Skilled Nursing Facility 30-day All-Cause Readmission measure (SNFRM)* Readmission 17.47 18.07
ACO-36 All-Cause Unplanned Admissions for Patients with Diabetes* 55.31 54.60
ACO-37 All-Cause Unplanned Admissions for Patients with Heart Failure* 75.44 76.96
ACO-38 All-Cause Unplanned Admissions for Patients with Multiple Chronic Conditions 60.57 62.92
ACO-9 Ambulatory Sensitive Condition Admissions: Chronic Obstructive Pulmonary Disease or Asthma in Older Adults (AHRQ Prevention Quality Indicator (PQI) #5) 1.29 1.11
ACO-10 Ambulatory Sensitive Conditions Admissions: Heart Failure (AHRQ Prevention Quality Indicator (PQI) #8) ​0.94 1.04
ACO-11 Percent of PCPs who Successfully Meet Meaningful Use Requirements 100 76.22
ACO-39 Documentation of Current Medications in the Medical Record* 56.69 84.07
ACO-13 Falls: Screening for Future Fall Risk 95.28 56.46
ACO-14 Preventive Care and Screening: Influenza Immunization 82.02 62.03
ACO-15 Pneumonia Vaccination Status for Older Adults 90.84 63.73
ACO-16 Preventive Care and Screening: Body Mass Index (BMI) Screening and Follow-up 79.12 71.15
ACO-17 Preventive Care and Screening: Tobacco Use: Screening and Cessation Intervention 98.91 90.16
ACO-18 Preventive Care and Screening: Screening for Clinical Depression and Follow-up Plan 83.33 45.25
ACO-19 Colorectal Cancer Screening (ACO-19) 72.00 60.06
ACO-20 Mammography Screening (ACO-20) 87.10 65.67
ACO-21 Proportion of Adults who had Blood Pressure screened in past 2 years (ACO-21) 60.08 70.04
ACO-40 ​​Depression Remission at Twelve Months* N/A N/A
Diabetes Composite Diabetes Composite (All or Nothing Scoring) 55.65 35.38
ACO-27 Diabetes Mellitus: Hemoglobin A1c Poor Control 8.87 20.38
ACO-41 Diabetes: Eye Exam* 61.69 41.05
ACO-28 Hypertension: Controlling High Blood Pressure 71.08 69.62
ACO-30 Ischemic Vascular Disease: Use of Aspirin or other Antithrombotic 91.70 83.82
ACO-31 Heart Failure: Beta-Blocker Therapy for Left Ventricular Systolic Dysfunction (LVSD) 83.08 87.22
ACO-33 ​Angiotensin-Converting Enzyme (ACE) Inhibitor or Angiotensin Receptor Blocker (ARB) Therapy for Patients with CAD and Diabetes or Left Ventricular Systolic Dysfunction (LVEF < 40%) 84.68 77.73

​CAHPS = Consumer Assessment of Healthcare Providers and Systems, PQI = Prevention Quality Indicator, LVSD = left ventricular systolic dysfunction, ACE = angiotensin-converting enzyme, ARB = angiotensin receptor blocker, CAD = coronary artery disease.

*= Measure required beginning Reporting Year 2015.

N/A= Reporting on the depression remission measure is not required for 2015, as indicated by N/A


​​​​​​​​​​​​Marshfield Clinic has a rich tradition of medical education.

This tradition was identified as early as December 27, 1916, with proof in a statement by a founding Clinic physician to a Marshfield Times reporter: “Each member of the firm, besides his usual work, will do reading and study in a special field. He will thus gain more expert knowledge by reason of such study and will, through his extra knowledge, assist and help his colleagues in diagnosing especially difficult cases.”

In 1927, Marshfield Clinic began training University of Wisconsin (UW) medical students through a preceptorship program. Marshfield Clinic and Saint Joseph’s Hospital (now Marshfield Medical Center) were approved for a rotating internship in 1928 and surgical residency in 1931. These early projects led to a relationship with the UW that continues today.

Visit the Division of Education website

A UW teaching service for internal medicine residents was so successful that residencies were developed in 1975 in internal medicine, surgery, pediatrics and a transitional year as a foundation to pursue other specialties. Dermatology and internal medicine/pediatrics and fellowship opportunities in psychology, palliative care and internal medicine were later added. Since the program began, more than 600 alumni have gone on to further training or medical practice, with a significant number employed by Marshfield Clinic.

Marshfield Clinic Division of Education provides a system of patient, customer, physician and employee education through divisional sections - Conferences/Continuing Medical Education, Corporate Education, Media Services, Medical Library and Patient Education. The Division also plays a lead role in developing formal dental education programs and facilities to help integrate medicine and dentistry.

​​​​​​​​​​​​​​​​Marshfield Clinic Research Institute (MCRI) furthers Marshfield Clinic's mission to foster research and education. This private not-for-profit research organization has roots in the Clinic founders, who strongly believed in medical research.

In the 1940s, Clinic physician Stephen Epstein, M.D., initiated dermatology research with $400 from Clinic colleagues; and championed a formal research and education program established in 1959.

MCRI got its first National Institutes of Health grant in 1960 to study farmer’s lung disease. In 1981, the National Farm Medicine Center was established and is one of the longest-running agricultural health and safety research centers nationally.

Clinical research is the largest research program at Marshfield Clinic. At any time, 450 clinical trials are conducted. About half are in cancer, most through the Community Clinical Oncology Program, established in 1983.

Donate to Marshfield Clinic research.

The Marshfield Epidemiologic Research Center, founded in 1991, conducts population-based and other epidemiologic research. It includes the Marshfield Epidemiologic Study Area, a 24-Zip code area in Wisconsin and resource for population-based health research. Research is in infectious diseases, antibiotic resistance, vaccine safety and prevention of diabetes and obesity.

Marshfield Clinic was recognized internationally with discovery of short tandem repeat polymorphisms, revolutionizing the study of human genetics. The Center for Medical Genetics (CMG), founded in 1994, focused research on discovering human genome structure. Marshfield Maps became and remain among the most reliable and widely used human genome maps. CMG began the Mammalian Genotyping Service (MGS) for the National Heart, Lung and Blood Institute, contributing to more than 200 genetic research projects nationally and internationally.

In 2001, the Personalized Medicine Research Center was established. Personalized medicine is an individually tailored health care approach to preventing, detecting and treating disease based on knowledge of a person’s genetic profile. The Personalized Medicine Research Project launched in 2002, enrolled about 20,000 participants and is the largest population-based genetic research project in the U.S. In 2004, the Center for Medical Genetics merged with the Personalized Medicine Research Center to form the Center for Human Genetics for discoveries in the human genome, genetic basis of complex disease, genetic epidemiology, pharmacogenetics and population genetics.

In 2005, the Biomedical Informatics Research Center was created to discover knowledge in medical informatics; support basic, applied and clinical research with biomedical informatics and biostatistics support; and provide stewardship for research informatics assets.

In 1989, Marshfield Clinic and MCRI merged. Later, two structures were built, dedicated to research, and named for Ben R. Lawton, M.D., Clinic thoracic surgeon/researcher; and former Congressman, Defense Secretary and Marshfield native Melvin R. Laird. MCRI also has clinical research offices in Wausau, Eau Claire, Chippewa Falls and Minocqua.​

Marshfield Clinic Research Foundation was renamed Marshfield Clinic Research Institute in March of 2017.​

Marshfield Clinic Health System provides charitable contributions, sponsorships and in-kind gifts to organizations who help to enrich lives and improve the health an well-being of the communities we serve.

Types of charitable gifts:

Charitable contribution

Definition:  Monetary gift to non-profits and other organizations whose mission, objectives, goals and initiatives concur with Marshfield Clinic Health System. 

In-kind donation

Definition: Donation of door prizes and give-away items to support a community event or fundraiser. 


Definition: Financial support of a community event or fundraiser in exchange for Marshfield Clinic Health System advertising and/or logo placement. 


Marshfield Clinic Health System will consider national, statewide, regional and local/community requests.

Organizations seeking funding must focus on at least one of the following:

  • Identified community heath needs
  • Marshfield Clinic Health System health priorities
  • Health and wellness in their community
  • Improving the quality of life and safety in their community
  • Addressing a need of a target population in the communities served
  • Aligning with Marshfield Clinic Health System's mission, vision and community needs assessment
  • Complementing Marshfield Clinic Health System's goal of corporate responsibility

Organizations, events and activities not eligible for sponsorships or charitable gifts include but are not limited to:

  • Individual or family benefit
  • Organizations in direct competition with Marshfield Clinic Health System or its owned-entities
  • Political campaigns, candidates, parties or partisan activities
  • Labor and fraternal organizations
  • Individual churches or religious activities for the purpose of furthering religious doctrine
  • For-profit organizations
  • Contests or pageants
  • Students raising funds for travel to competitions or events
  • Parent-teacher organizations
  • Requests for employee matching funds
  • Foundations that are primarily grant-making agencies
  • Trips, tours and transportation
  • General operating expenses
  • Organizations that deny service, membership or other involvement on the basis of race, religion, color, gender, sexual orientation, age, nationality, ancestry, citizenship, veteran or disability status.

To further support our vision of building healthy communities, Marshfield Clinic Health System expects that any event that receives support will:

  • Offer healthy food options if food is provided
  • Be tobacco free
  • Be compliant with any applicable state laws and/or local ordinances
  • Promote responsible use if alcohol is served

 Charitable gift criteria are at the discretion of Marshfield Clinic Health System Community Engagement​ and subject to change at any time.