Other New Research

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  August 4, 2026 in Press Releases

  Imaging Interpretation Turnaround Time Continued to Increase in 2024, by 27%

  A new study from the Neiman Institute found that the time between an imaging scan and its interpretation for office/hospital outpatient imaging increased 27% between 2023 and 2024. The study, based on 2.9 million office/hospital outpatient Medicare imaging studies, published in JACR, was an update to previous HPI study of turnaround times through 2023. Read More

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  July 27, 2026 in Press Releases

  Two Decades of Medicare Payment Declines Associated with Worsening Patient Access Gaps

  A new study from the Neiman Institute found that the persistent declines in Medicare physician reimbursement are associated with widening disparities in access to care, with patients in rural communities, low-income areas, and disadvantaged neighborhoods falling further behind their more urban, affluent, and advantaged counterparts. The study, based on 4.7 million unique patients over the 2005-2023 period, was published in INQUIRY: The Journal of Health Care Organization, Provision, and Financing. Read More

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  June 26, 2026 in Press Releases

  Hospital Resources—Not Patient Need—Drive Stroke AI Tool Adoption Under Medicare

  A new study published in the American Journal of Neuroradiology finds that adoption of artificial intelligence software for detecting large vessel occlusion in acute ischemic stroke when billed through Medicare's New Technology Add-On Payment program has grown but remains uneven, with use concentrated in larger, specialized hospitals and varying geographically. Read More

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  June 24, 2026 in Press Releases

  Interventional Radiology Work has Become Increasingly Concentrated Among Fewer Radiologists

  Radiologists performing no interventional radiology-related work increased from one-third in 2008 to one-half in 2023. These findings, based on a national Medicare analysis of 46,533 radiologists covering 476,688 radiologist years from 2008 to 2023 period, were published in the JVIR by the HPI in collaboration with IR experts. Read More

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  May 13, 2026 in Press Releases

  AI for Pulmonary Embolism Detection Matches Radiologists in 97.8% of 32,000+ Real‑World CT Angiograms

  An artificial intelligence algorithm for pulmonary embolism detection demonstrated high concordance with radiologist interpretations in a large, real-world study published today in Radiology: Artificial Intelligence. Read More