Jack Wennberg
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John E. "Jack" Wennberg (June 2, 1934 – March 10, 2024) was an American healthcare researcher who was a pioneer of
unwarranted variation Unwarranted variation (or geographic variation) in health care service delivery refers to medical practice pattern variation that cannot be explained by illness, medical need, or the dictates of evidence-based medicine. It is one of the causes of lo ...
in the healthcare industry. In four decades of work, Wennberg has documented the geographic variation in the healthcare that patients receive in the
United States The United States of America (USA), also known as the United States (U.S.) or America, is a country primarily located in North America. It is a federal republic of 50 U.S. state, states and a federal capital district, Washington, D.C. The 48 ...
. In 1988, he founded the Center for the Evaluative Clinical Sciences at Dartmouth Medical School (now The Dartmouth Institute for Health Policy and Clinical Practice at Geisel School of Medicine at Dartmouth) to address that unwarranted variation in healthcare. Wennberg was the Peggy Y. Thomson Professor Emeritus in the Evaluative Clinical Sciences & Founder and Director Emeritus of The Dartmouth Institute for Health Policy & Clinical Practice (formerly the Center for the Evaluative Clinical Sciences), and was the Professor in the Department of Community and Family Medicine since 1980 and in the Department of Medicine since 1989. Wennberg was the founding editor of the Dartmouth Atlas of Health Care, a series of reports on how health care is used and distributed in the United States. In June 2007, Wennberg stepped down as director of the CECS, now known as The Dartmouth Institute for Health Policy and Clinical Practice (TDI).


Education

Wennberg was a graduate of
Stanford University Leland Stanford Junior University, commonly referred to as Stanford University, is a Private university, private research university in Stanford, California, United States. It was founded in 1885 by railroad magnate Leland Stanford (the eighth ...
and the
McGill University Faculty of Medicine The Faculty of Medicine and Health Sciences is one of the constituent faculties of McGill University. It was established in 1829 after the Montreal Medical Institution was incorporated into McGill College as the college's first faculty; it was t ...
. His postgraduate training was in
internal medicine Internal medicine, also known as general medicine in Commonwealth nations, is a medical specialty for medical doctors focused on the prevention, diagnosis, and treatment of diseases in adults. Its namesake stems from "treatment of diseases of ...
and
nephrology Nephrology is a specialty for both adult internal medicine and pediatric medicine that concerns the study of the kidneys, specifically normal kidney function (renal physiology) and kidney disease (renal pathophysiology), the preservation of kid ...
at
Johns Hopkins University The Johns Hopkins University (often abbreviated as Johns Hopkins, Hopkins, or JHU) is a private university, private research university in Baltimore, Maryland, United States. Founded in 1876 based on the European research institution model, J ...
, but he became interested in the application of epidemiological principles to the health care system while pursuing his master's degree in Public Health at Johns Hopkins. Wennberg was a member of the
Institute of Medicine The National Academy of Medicine (NAM), known as the Institute of Medicine (IoM) until 2015, is an American nonprofit, non-governmental organization. The National Academy of Medicine is a part of the National Academies of Sciences, Engineerin ...
of the
National Academy of Sciences The National Academy of Sciences (NAS) is a United States nonprofit, NGO, non-governmental organization. NAS is part of the National Academies of Sciences, Engineering, and Medicine, along with the National Academy of Engineering (NAE) and the ...
and of the Johns Hopkins University Society of Scholars.


Work

He cofounded the Informed Medical Decisions Foundation in
Boston Boston is the capital and most populous city in the Commonwealth (U.S. state), Commonwealth of Massachusetts in the United States. The city serves as the cultural and Financial centre, financial center of New England, a region of the Northeas ...
,
Massachusetts Massachusetts ( ; ), officially the Commonwealth of Massachusetts, is a U.S. state, state in the New England region of the Northeastern United States. It borders the Atlantic Ocean and the Gulf of Maine to its east, Connecticut and Rhode ...
, a nonprofit organization to provide objective scientific information to patients about their treatment choices by using interactive media. Wennberg was the founding editor of ''The Dartmouth Atlas of Health Care'', which examines the patterns of medical resource intensity and use in the United States. The Atlas project also has reported on patterns of end-of-life care, inequities in the Medicare reimbursement system, and the underuse of preventive care. "When Jack started his work, geographic variation in health care—and the resulting variation in health care costs—was largely unknown and unremarked upon," said ''Health Affairs'' founding editor John Iglehart, who presented an award from the journal to Wennberg. "But thanks to Jack’s persistence, the idea that the care you receive is largely determined by where you live—and not necessarily by what is most appropriate for you—has become part of the common parlance of health policy." Indeed, Wennberg's work has shown that areas that spend more and provide more services often experience worse outcomes than lower-spending areas that provide less intensive care. In a 2002 ''Health Affairs'' article, Wennberg proposed a Medicare reform plan based on reducing unwarranted regional variations in spending by the program. In the latest ''Dartmouth Atlas'', Wennberg and colleagues state that "the Medicare system could reduce spending by at least 30 percent while improving the medical care of the most severely ill Americans." Wennberg's recent work has focused on documenting outcomes and communicating outcomes information to patients. That focus is reflected in his article in the November/December 2007 issue of ''
Health Affairs ''Health Affairs'' is a monthly peer-reviewed healthcare journal established in 1981 by John K. Iglehart; since 2014, the editor-in-chief is Alan Weil. It was described by ''The Washington Post'' as "the bible of health policy". Abstracting a ...
''. In the first part of a two-part article, Wennberg and his coauthors urge the
Centers for Medicare and Medicaid Services The Centers for Medicare & Medicaid Services (CMS) is a federal agency within the United States Department of Health and Human Services (HHS) that administers the Medicare program and works in partnership with state governments to administer ...
(CMS) to use its pay-for-performance program to ensure that patients are both informed and empowered to choose appropriate discretionary treatments.


Variation

In 1967, Wennberg worked with the Regional Medical Program created with a $350,000 grant from President
Lyndon Johnson Lyndon Baines Johnson (; August 27, 1908January 22, 1973), also known as LBJ, was the 36th president of the United States, serving from 1963 to 1969. He became president after assassination of John F. Kennedy, the assassination of John F. Ken ...
and began analyzing Medicare data to determine how well hospitals and doctors were performing. "Our results were fascinating, because they ran completely counter to what conventional wisdom said they would be. Everyone expected that we would clearly see underservice in the rural hospital service areas remote from academic medical centers. But when we looked at the data, we found tremendous variation in every aspect of healthcare delivery, even among communities served by academic medical centers. We found the same thing when we compare healthcare in the Boston and New Haven communities served by some of the finest academic medical centers in the world. The basic premise—that medicine was driven by science and by physicians capable of making clinical decisions based on well-established fact and theory—was simply incompatible with the data we saw. It was immediately apparent that suppliers were more important in driving demand than had been previously realized," stated Wennberg. "The solution for unwarranted variation in preference-sensitive services is shared decision-making—the active involvement of the patient in choosing. Numerous clinical trials have shown that the patient decision-support programs, such as those available from Health Dialog and the Informed Medical Decisions Foundation, result in better decision and often a reduction in utilization. But implementation isn't easy," he says. "We need to find a way to encourage and compensate physicians for the time they spend on educating and discussing things with patients."


Health Dialog

Albert Mulley, a physician at
Massachusetts General Hospital Massachusetts General Hospital (Mass General or MGH) is a teaching hospital located in the West End neighborhood of Boston, Massachusetts. It is the original and largest clinical education and research facility of Harvard Medical School/Harvar ...
, had been conducting research with Wennberg of Dartmouth by the Informed Medical Decisions Foundation. Together, they had built "substantial evidence that there's a huge variation in how doctors interpret their science through their own values and preferences." George Bennett, a serial entrepreneur "couldn't resist getting involved" in helping the process of enabling patients become a part of the decision-making process. As stated by Bennett, "It was one of life's strange twists, where they had something that was morally right, medically right, politically right and it saved money." By teaming with Kevin Kimberlin of Trask & Co., Health Dialog received its initial funding.


Lowering Medicare costs

"Americans have assumed that the fact that we spend so much more on health care than any other country stands as proof that we have the best health-care system in the world. But over the past 20 years, work done by Dartmouth's Wennberg and Elliott Fisher has forced U.S. health care leaders to acknowledge that this simply isn’t true." The potential savings under such an ideal arrangement are immense. If every Medicare provider in the country spent at the same rate as the lowest 10% of providers in the program, overall costs would be slashed by 30%. That alone is enough to pay for the elusive Medicare drug benefit. Additional savings might well accrue by implementing shared decision-making and reducing underuse of preventive services and medical errors.


Death

Wennberg died on March 10, 2024, at the age of 89.


Awards

*''Most Influential Policy Maker of the Past 25 Years,'' Health Affairs, Nov. 1, 1997. *''Distinguished Investigator Award,'' Association for Health Services Research *'' Foundation’s Health Services Research Prize,'' Baxter Foundation *The Richard and Hinda Rosenthal Foundation Award in Clinical Medicine *''2007 Ernest Amory Codman Award,'' The Joint Commission *''2008 Gustav O. Lienhard Award,'' The Institute of Medicine, Oct. 12, 2008The Dartmouth, Wennberg Given Health Care Award, Oct. 16, 2008.


Selected bibliography

* * * * * * * * * * * * * * * * * *


References


External links


John Wennberg, MD, MPH
– faculty page at The Dartmouth Institute for Health Policy and Clinical Practice
The Wennberg Anthology
- selected articles with commentaries {{DEFAULTSORT:Wennberg, John E. 1934 births 2024 deaths Geisel School of Medicine faculty Johns Hopkins University alumni McGill University Faculty of Medicine alumni Members of the National Academy of Medicine Stanford University alumni American medical researchers