Other New Research

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  April 14, 2026 in Press Releases

  CMS MIPS Quality Measures are “Topped Out” when Over 90% of Eligible Physicians Have Never Reported their Performance

  New Neiman Institute research found that most Merit-Based Incentive Payment System quality measures designated as “topped out” by the Centers for Medicare & Medicaid Services were reported by only a small fraction of eligible physicians, suggesting these measures may not reflect consistently high performance across clinicians. Read More

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  March 31, 2026 in Press Releases

  Imaging Interpretation Turnaround Time More Than Doubled between 2014 and 2023

  A new study from the HPI found that the time between an imaging scan and its interpretation for office/hospital outpatient imaging increased 113% between 2014 and 2023, with most of this increase occurring in 2022 and 2023. The study, published in the JACR, was based on claims for 2.6 million office/hospital outpatient imaging studies. Read More

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  March 4, 2026 in Press Releases

  New Analysis Shows Rising Attrition in Every Radiology Subspecialty, 2014–2022

  A new study from HPI found that attrition (i.e., exit) from the radiology workforce increased for all subspecialties, but with varying magnitude. The study, published in AJR, was based on all Medicare radiologists who submitted claims between 2014 and 2022 and covered 159,490 radiologist-year observations for 29,770 radiologists practicing as subspecialists. Read More

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  February 24, 2026 in Press Releases

  Practice Turnover Among Radiologists Increased 61% Over a Decade and is Linked to Clinical Workload

  A new study from the Neiman Institute found that practice turnover among radiologists increased 61% between 2013 and 2022. The study also found that turnover rates differed by gender, practice location, academic status, workload, and years of practice. The study, published in the Journal of the American College of Radiology, was based on 39,439 radiologists covering 280,692 practice years between 2013 and 2022. Read More

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  January 21, 2026 in Press Releases

  Pediatric Patients Exposed to Ionizing Radiation in Imaging at Higher Rates in Non-Children’s Hospitals than Children’s Hospitals

  A new Neiman Institute study , performed with the American College of Radiology’s Pediatric Imaging Research Committee, highlights differences in imaging use among children that raise safety concerns and opportunities to reduce radiation exposure. The study analyzed over 5.4 million outpatient hospital encounters for pediatric Medicaid patients and found significant differences in imaging utilization between children’s hospitals and non‑children’s hospitals. Read More