Comparing practice performance to regional and national benchmarks is an important tool for improving the quality of patient care. ACR's NRDR – the National Radiology Data Registry – will help your facility benchmark outcomes and process-of-care measures and develop quality improvement programs.

NRDR, a warehouse of ACR registries, compares radiology facilities regionally and nationwide according to facility type. By submitting your data to NRDR, your practice will be provided with:

  • Detailed and graphic reports in a standardized format for comparing quality
  • A tool for targeting specific areas of improvement
  • An accurate reflection of practice patterns
  • The ability to document the quality of services delivered by your facilities to interested third parties
  • The ability to measure impact of changes in practice
  • The ability to implement a data-driven quality improvement program

NRDR includes all of the registries listed below, allowing you to enjoy a single front-end  portal entry. A practice or facility may choose to participate in any or all registries as appropriate for the practice.

  • National Oncology PET Registry (NOPR)
  • CT Colonography Registry (CTC)
  • General Radiology Improvement Database (GRID)
  • National Mammography Database (NMD)
  • Dose Index Registry (DIR)
  • Lung Cancer Screening Registry (LCSR) 
  • Additional Resources for ACR Members: Night Coverage Registry

Register now with NRDR. For more information about NRDR, visit If you require assistance, please contact the NRDR Help Desk and click on “new support ticket” or call 800-227-5463 ext. 3535.