American College of Radiology (ACR/Private Practice/Council)
The 30,000 members of the American College of Radiology include radiologists, radiation oncologists and medical physicists. For over three quarters of a century, the ACR has devoted its resources to making imaging safe, effective and accessible to those who need it.

American College of Radiology International Volunteer System

American College of Radiology — State and Affiliated Chapters
The 30,000 members of the American College of Radiology include radiologists, radiation oncologists and medical physicists. For over three quarters of a century, the ACR has devoted its resources to making imaging safe, effective and accessible to those who need it.

American Institute of Ultrasound in Medicine (AIUM)
The American Institute of Ultrasound in Medicine is a multidisciplinary association dedicated to advancing the safe and effective use of ultrasound in medicine through professional and public education, research, development of guidelines, and accreditation.

American Medical Association — Section Council on Radiology
The American Medical Association helps doctors help patients by uniting physicians nationwide to work on the most important professional and public health issues.

American Osteopathic College of Radiology (AOCR)
The AOCR is committed to advancing the practice of radiology by promoting excellence in education, research and the delivery of quality, cost-effective healthcare while embracing the tenets of osteopathic medicine. The society seeks to foster closer solidarity and greater cooperation among radiologists, other branches of medicine and allied healthcare professionals.

American Radium Society (ARS)
The American Radium Society is the oldest society devoted to the study and treatment of cancer. As a multidisciplinary organization, members include, radiation oncologists, surgical oncologists, gynecological oncologists and, medical oncologists. As its objectives the Society promotes the study of cancer in all of its aspects; encourages liaison among the various medical specialists and allied scientists concerned with the treatment of cancer and to continuous scientific study of the treatment of the cancer patient through its annual meeting and educational publications.

American Registry of Diagnostic Medical Sonographers
The American Registry for Diagnostic Medical Sonography® (ARDMS®),  is an independent, nonprofit organization that administers examinations and awards credentials in the areas of diagnostic medical sonography, diagnostic cardiac sonography and vascular technology.

American Roentgen Ray Society (ARRS)
The American Roentgen Ray Society is the first and oldest radiology society in the United States. The society has been a forum for progress in radiology since shortly after the discovery of the X-ray and is dedicated to the goal of the advancement of medicine through the science of radiology and its allied sciences.

American Society for Therapeutic Radiology and Oncology (ASTRO)