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The mission of the Harvey L. Neiman Health Policy Institute® is to establish foundational evidence for health policy and radiology practice that promotes the effective and efficient use of health care resources and improves patient care.

October 23, 2025

New Study and Online Tool Identify and Rank Community Factors that Predict Cancer Disparities

A groundbreaking study published in JAMA Network Open by the Neiman Institute reveals poverty, environmental risks, housing issues, and physical inactivity are top-ranking community-level predictors of disparities in cancer screening, prevalence, and deaths across U.S. counties. The interactive Neiman Cancer Disparity Maps is the first tool of its kind to illustrate where worse cancer outcomes & poor community conditions, social and economic factors overlap offering actionable insights for researchers, policymakers, government agencies and health systems. Read More

October 1, 2025

Attrition from the Radiology Workforce is Higher for Subspecialists vs Generalists and Nonacademic vs Academic Radiologists

A new study from HPI found that attrition from the radiology workforce differed by radiologist and practice characteristics. Significantly higher attrition was observed for female vs male radiologists, subspecialists vs generalists, nonacademic vs academic radiologists, and radiologists in practices with at least one rural site vs no rural sites. Read More

September 17, 2025

Repeat Imaging Rates are Higher for Studies Interpreted by Non-Physician Practitioners Compared with Radiologists

A new HPI study found that office-based imaging studies were more likely to be repeated within 90 days when the initial study was interpreted by a non-physician practitioner than when interpreted by a radiologist. The study, published in the JACR, was based on 1.3 million Medicare imaging claims between 2013 and 2022. Read More

September 9, 2025

Decline in U.S. Pediatric Radiology Workforce Revealed in Large Study of Private Insurance Claims

A new HPI study published in JACR reveals a concerning decline in the number of U.S. radiologists dedicating most of their clinical effort to pediatric imaging. Using a large, national private payor claims database including approximately 414M unique covered lives, researchers found that the pediatric radiology workforce shrank between 2016 and 2023, even as demand for imaging services grew. Read More

July 24, 2025

Missouri Law Expanding Mammography Coverage Linked to Increased Screening and 3D Breast Tomosynthesis Use

A new Neiman Institute study found increased utilization of screening mammography as well as an increased share of this screening through digital breast tomosynthesis following Missouri’s legislative expansion of mammography screening coverage. Read More

July 17, 2025

Telemedicine Visits Associated with Significantly Lower Imaging Use Compared to In-Person Care

A new JACR study found that during the COVID-19 pandemic, telemedicine visits led to significantly lower use of diagnostic imaging compared to similar in-person visits, highlighting telemedicine’s potential effect on follow-up medical care. Read More

July 9, 2025

Doctor-led Shared Decision-Making Significantly Boosts Lung Cancer Screening Adherence Over Time

A new study published in CHEST finds that Medicare beneficiaries who participated in a shared decision-making visit with their healthcare provider prior to their initial lung cancer screening were significantly more likely to adhere to recommended annual follow-up screenings over a four-year period. Read More

April 17, 2025

Study Reveals Link Between Abdominal CT Use and Sarcopenia Diagnosis Among Older Adults

A new Harvey L. Neiman Health Policy Institute study found evidence that a new diagnosis of sarcopenia, a potentially reversible disease with low muscle mass and strength, often coincides with an abdominal CT study. Increasing opportunistic evaluation of abdominal CT scans could facilitate diagnosis of sarcopenia and ultimately improve patient care. Read More

April 2, 2025

Non-radiologist Ordering Providers Interpret Almost 44% of Office-based Imaging

A new Neiman Health Policy Institute study found that 43.6% of office-based imaging studies were interpreted by the ordering provider, with 58.5% interpreted within the ordering provider’s practice. Self-interpretation rates varied by specialty and imaging modality. Published in the AJR, the study analyzed over 1.6 million Medicare imaging claims from 2022. Read More

March 28, 2025

Excess Imaging Use Associated with Significant Greenhouse Gas Emissions

A new study from the Harvey L. Neiman Health Policy Institute found that unnecessary imaging studies in Original Medicare are associated with up to 129 kT of CO2 emissions – the same as would be produced from powering a town of over 70,000 people for a year.  The research, published in JACR, demonstrates the opportunity for the field of radiology to meaningfully reduce its environmental footprint. Read More