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Physician specialty

Radiology

Find: Radiology →

At a glance

Practicing in the U.S.
44,592
Per 100,000 residents
13.2
Women
26%
Median years since graduating
23

Training path

  1. College (bachelor’s degree) 4 years
  2. Medical school (MD or DO) 4 years
  3. Diagnostic radiology residency (including first clinical year) 5 years

Training after medical school: 5 years. From the start of college: about 13 years.

Many radiologists add a 1-year fellowship.

Usual minimum program lengths from ACGME program requirements. Some doctors take extra research years or a second fellowship.

Who they are

  • MD (DOs make up the rest) 94%
  • Women 26%
  • Graduated 35 or more years ago 21%
  • Offer telehealth 1%
  • Accept Medicare’s approved amount 95%

Sex and credentials from NPPES. Graduation year, telehealth and Medicare assignment from Medicare Care Compare, which covers clinicians enrolled in Medicare.

Where they practice

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What they do most for Medicare patients

  • X-ray of chest, 1 view 10,968,096
  • Screening mammography 5,447,233
  • Screening 3d breast mammography 5,129,488
  • X-ray of chest, 2 views 4,622,350
  • Ct scan head or brain without contrast 4,197,646
  • Ct scan of abdomen and pelvis with contrast 3,051,607
  • Ct scan of chest without contrast 2,071,569
  • Dxa bone density measurement of hip, pelvis, spine 1,982,198
  • Ct scan of abdomen and pelvis without contrast 1,734,841
  • Ct scan of chest with contrast 1,520,301
  • X-ray of abdomen, 1 view 1,422,078
  • Ct scan of blood vessels of chest with contrast 1,260,317

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Services billed to traditional Medicare in 2023 (Physician and Other Practitioners data); drugs given in the office are left out.

What they prescribe most

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Share of this specialty’s Medicare Part D prescriptions in 2024, including refills. Select a drug to see which of these clinicians prescribe it most, and where.

Hospitals where the most work

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Clinicians who list the hospital in Medicare Care Compare. The number opens the list of who works there.

Schools they graduated from most

  • Wayne State University School of Medicine 472
  • New York Medical College 453
  • Indiana University School of Medicine 393
  • Medical College of Wisconsin 320
  • University of Illinois College of Med (chi/peor/rock/chm-Urb) 317
  • Albert Einstein College of Medicine of Yeshiva University 312
  • University of Texas Southwestern Medical School at Dallas 312
  • University of Texas Medical Branch at Galveston 299
  • New York University School of Medicine 289
  • University of Tennessee, Hsc, College of Medicine 287

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From Medicare Care Compare (Medicare-enrolled clinicians only).

Industry payments

Drug and device makers reported $16.0M in general payments to 8,279 clinicians in Radiology in 2025. See who received the most

Source: CMS Open Payments, program year 2025. A payment is not evidence of wrongdoing.

Research in this field

U.S. researchers published 17,800 articles and reviews in radiology, nuclear medicine and imaging in 2024–2026.

Journals with the most U.S. papers

  • Magnetic Resonance in Medicine Wiley 601
  • Journal of Cardiovascular Magnetic Resonance BioMed Central 555
  • Journal of cardiovascular computed tomography Elsevier BV 475
  • Journal of the American College of Cardiology Elsevier BV 354
  • International Journal of Radiation Oncology*Biology*Physics Elsevier BV 339
  • Scientific Reports Nature Portfolio 281
  • Journal of Nuclear Medicine Society of Nuclear Medicine and Molecular Imaging 261
  • Journal of Nuclear Cardiology Springer Science+Business Media 235
  • Journal of the American College of Radiology Elsevier BV 213
  • NMR in Biomedicine Wiley 194

Most-cited recent papers

  1. CAT: a computational anatomy toolbox for the analysis of structural MRI data (opens in a new tab) GigaScience, 2024 · cited 1,365 times · free to read
  2. Diffusion-weighted MR imaging of acute stroke: correlation with T2-weighted and magnetic susceptibility-enhanced MR imaging in cats (opens in a new tab) American Journal of Neuroradiology, 2024 · cited 881 times · free to read
  3. In vivo NIR-II fluorescence imaging for biology and medicine (opens in a new tab) Nature Photonics, 2024 · cited 604 times · free to read
  4. Screening for Breast Cancer (opens in a new tab) JAMA, 2024 · cited 531 times
  5. Projected Lifetime Cancer Risks From Current Computed Tomography Imaging (opens in a new tab) JAMA Internal Medicine, 2025 · cited 400 times · free to read
  6. Near-infrared II fluorescence imaging (opens in a new tab) Nature Reviews Methods Primers, 2024 · cited 358 times
  7. METhodological RadiomICs Score (METRICS): a quality scoring tool for radiomics research endorsed by EuSoMII (opens in a new tab) Insights into Imaging, 2024 · cited 326 times · free to read
  8. Inflammatory risk and cardiovascular events in patients without obstructive coronary artery disease: the ORFAN multicentre, longitudinal cohort study (opens in a new tab) The Lancet, 2024 · cited 314 times · free to read

From OpenAlex, an open index of research papers. Papers with at least one author at a U.S. institution, classified by subject; the subject covers the whole field, so related specialties share these lists. Citation counts change daily.

Sources: CMS NPPES (counts, sex, credentials), Medicare Care Compare (schools, graduation years, hospitals, telehealth), CMS Medicare Physician & Other Practitioners (2023) and Part D Prescribers (2024), CMS Open Payments (2025), ACGME program requirements (training length), OpenAlex (research), U.S. Census Bureau ACS 2020–2024 (population).