Matthew Hammer, M.D., is an Associate Professor of Radiology at UT Southwestern Medical Center, and a member of its Pediatric Radiology Division. His clinical interests include musculoskeletal imaging in children, as well as pediatric magnetic resonance (MR) enterography, MR urography, and perineal imaging in Crohn disease.

Teaching a new generation of radiologists to care and advocate for patients is our essential duty and my great privilege.

Dr. Hammer holds a bachelor’s degree in biochemistry and molecular and cellular biology from the University of Arizona in Tucson. He received his medical degree from the University of Michigan Medical School in Ann Arbor, where he remained to complete his radiology residency training. He then continued with a Medical Education Scholars program before obtaining advanced training through fellowship programs in pediatric radiology and in musculoskeletal radiology.

Prior to joining the faculty in 2014, Dr. Hammer served as co-chief radiology resident at the University of Michigan, and as a member of the Association of University Radiologists board of directors.

At UT Southwestern, Dr. Hammer serves as Director of the Pediatric Radiology Fellowship program, and is a member of the Pediatric Radiology Clinical Competency, Program Evaluation, and Quality committees. He also leads the Pediatric Radiology Musculoskeletal Group.

At Children's Health, he serves as Medical Director of Children's Imaging Center - Plano. 

Dr. Hammer is actively involved with several professional organizations, including the Radiological Society of North America, American College of Radiology, American Roentgen Ray Society, and Association of University Radiologists. His a member of many local and national committees.

Dr. Hammer has published numerous papers, and co-authored a chapter on congenital and developmental conditions in the foot and ankle for Pediatric Orthopedic Imaging, considered the standard reference book for pediatric and musculoskeletal radiologists. He is also a reviewer for the academic journal, Pediatric Radiology


Medical School
University of Michigan Medical School (2007)
Oakwood Hospital (2008), Transitional Year
University of Michigan Health System (2012), Diagnostic Radiology
University of Michigan (2013), Pediatric Radiology
University of Michigan (2014), Musculoskeletal Radiology

Research Interest

  • Pediatric Genitourinary Imaging
  • Pediatric MR Enterography
  • Pediatric Musculoskeletal Imaging


Featured Publications LegendFeatured Publications

Serious bleeds in pediatric persons with hemophilia A on emicizumab prophylaxis.
Garcia J, Hammer MR, Zia A, Res Pract Thromb Haemost 2023 Nov 7 8 102238
Cachexia, chorea, and pain in chronic nonbacterial osteitis and inflammatory bowel disease: a case report.
Agharokh L, Mamola K, Yu AG, Medina AL, Gurram B, Fuller J, Park JY, Chen W, Rajaram V, Hammer MR, Waugh JL, J Med Case Rep 2023 May 17 1 237
Team Approach: Pediatric Musculoskeletal Infection.
Dhar AV, Huang CJ, Sue PK, Patel K, Farrow-Gillespie AC, Hammer MR, Zia AN, Mittal VS, Copley LA, JBJS Rev 2020 03 8 3 e0121
Quality Improvement of Magnetic Resonance Imaging for Musculoskeletal Infection in Children Results in Decreased Scan Duration and Decreased Contrast Use.
Ojeaga PO, Hammer MR, Lindsay EA, Tareen NG, Jo CH, Copley LA, J Bone Joint Surg Am 2019 Sep 101 18 1679-1688
Injuries of the adolescent girl athlete: a review of imaging findings.
Shampain K, Gaetke-Udager K, Leschied JR, Meyer NB, Hammer MR, Denay KL, Yablon CM Skeletal Radiol. 2018 Aug
Imaging of the Pediatric Temporomandibular Joint.
Hammer MR, Kanaan Y Oral Maxillofac Surg Clin North Am 2018 Feb 30 1 25-34
Simple visual review of pre- to post-operative renal ultrasound images predicts pyeloplasty success equally as well as geometric measurements: A blinded comparison with a gold standard.
Kern AJM, Schlomer BJ, Timberlake MD, Peters CA, Hammer MR, Jacobs MA J Pediatr Urol 2017 Apr
Non-accidental trauma: the role of radiology.
Pfeifer CM, Hammer MR, Mangona KL, Booth TN Emerg Radiol 2016 Nov
US of the Peripheral Nerves of the Lower Extremity: A Landmark Approach.
Yablon CM, Hammer MR, Morag Y, Brandon CJ, Fessell DP, Jacobson JA Radiographics 2016 Feb 150120
Pediatric ureteropelvic junction obstruction: can magnetic resonance urography identify crossing vessels?
Parikh KR, Hammer MR, Kraft KH, Ivancic V, Smith EA, Dillman JR Pediatr Radiol 2015 Jul

Honors & Awards

  • Golden Apple Teaching Award
    UT Southwestern (2017)
  • Cum Laude Educational Exhibit
    Radiological Society of North America (2012)
  • Poster Presentation Honorable Mention
    Seventh Australasian Redesigning Healthcare Summit (2011)
  • Educational Exhibit Certificate of Commendation
    American Roentgen Ray Society (2010)

Professional Associations/Affiliations

  • American Alliance of Academic Chief Residents in Radiology
  • American College of Radiology
  • American Roentgen Ray Society
  • Association of University Radiologists
  • Radiological Society of North America
  • Society of Pediatric Radiology