Charles M. Leys, MD, FACS


  • Chair, Division of Pediatric Surgery
  • Dr. James and Sharon Gutenberger Family Pediatric Surgery Chair
(608) 262-0466

600 Highland Avenue
MC 7375
Madison, WI 53792-0001
Scheduling or patient-related questions: (608) 263-6420
Administrative assistance: (608) 262-0466


  • MD, University of Wisconsin School of Medicine and Public Health, Madison, WI
  • Masters of Science in Clinical Investigation (MSCI), Vanderbilt University School of Medicine, Nashville, TN
  • General Surgery Residency, Vanderbilt University School of Medicine, Nashville, TN
  • Fellowship in Pediatric Surgery, Children’s Mercy Hospitals and Clinics, Kansas City, MO

Clinical Specialties

Dr. Leys is certified by the American Board of Surgery in General Surgery and Pediatric Surgery. He is Director of Pediatric Minimally Invasive Surgery at American Family Children’s Hospital, and his clinical practice emphasizes minimally invasive approaches to all types of pediatric and neonatal surgical disorders. He specializes in congenital malformations, chest wall deformities, thoracic diseases, surgical oncology, and gastrointestinal disorders, including gastroesophageal reflux and inflammatory bowel disease.

For a complete listing of conditions for which our pediatric surgeons provide treatment, please click here

Dr. Leys provides a wide range of services including Congenital Malformations, Chest Wall Deformities, Thoracic Diseases, Surgical Oncology, Gastroesophageal Reflux, Inflammatory Bowel Disease.

Research Interests

Dr. Leys’ research interests are focused on evidence-based pediatric surgery, including clinical trials and quality improvement.

Recent Publications

  • The use and timing of angio-embolization in pediatric blunt liver and spleen injury.
    Naiditch JA, Notrica DM, Sayrs LW, Linnaus M, Stottlemyre R, Garcia NM, Lawson KA, Cohen AS, Letton RW, Johnson J, Maxson RT, Eubanks JW, Ryan M, Alder A, Ponsky TA, St Peter SD, Bhatia AM, Leys CM
    J Trauma Acute Care Surg 2024 Jan 09;
    [PubMed ID: 38189680]

  • Relationship between the COVID-19 pandemic and structural inequalities within the pediatric trauma population.
    Georgeades C, Collings AT, Farazi M, Bergner C, Fallat ME, Minneci PC, Speck KE, Van Arendonk KJ, Deans KJ, Falcone RA, Foley DS, Fraser JD, Gadepalli SK, Keller MS, Kotagal M, Landman MP, Leys CM, Markel TA, Rubalcava NS, St Peter SD, Sato TT, Flynn-O'Brien KT, Midwest Pediatric Surgery Consortium (MWPSC)
    Inj Epidemiol 2023 Nov 28; 10(Suppl 1): 62
    [PubMed ID: 38017506]

  • Diagnostic Performance of Magnetic Resonance Imaging for Pediatric Ovarian Neoplasms: A Multi-Institutional Review.
    Bergus KC, Knaus ME, Onwuka AJ, Afrazi A, Breech L, Corkum KS, Dillon PA, Ehrlich PF, Fallat ME, Fraser JD, Gadepalli SK, Grabowski JE, Hertweck SP, Kabre R, Lal DR, Landman MP, Leys CM, Mak GZ, Markel TA, Merchant N, Overman RE, Rademacher BL, Raiji MT, Rymeski B, Sato TT, Wright T, Aldrink JH, Hewitt GD, Minneci PC, Deans KJ, Midwest Pediatric Surgery Consortium
    J Pediatr Adolesc Gynecol 2024 Apr; 37(2): 192-197
    [PubMed ID: 38008283]

  • Reducing Unnecessary Oophorectomies for Benign Ovarian Neoplasms in Pediatric Patients.
    Minneci PC, Bergus KC, Lutz C, Aldrink J, Bence C, Breech L, Dillon PA, Downard C, Ehrlich PF, Fallat M, Fraser JD, Grabowski J, Helmrath M, Hertweck P, Hewitt G, Hirschl RB, Kabre R, Lal DR, Landman M, Leys C, Mak G, Markel T, Pressey J, Raiji M, Rymeski B, Saito J, Sato TT, St Peter SD, Cooper J, Deans K, Midwest Pediatric Surgery Consortium
    JAMA 2023 Oct 03; 330(13): 1247-1254
    [PubMed ID: 37787794]

  • Evaluating the Regional Differences in Pediatric Injury Patterns During the COVID-19 Pandemic.
    Collings AT, Farazi M, Van Arendonk KJ, Fallat ME, Minneci PC, Sato TT, Speck KE, Gadepalli S, Deans KJ, Falcone RA, Foley DS, Fraser JD, Keller MS, Kotagal M, Landman MP, Leys CM, Markel T, Rubalcava N, St Peter SD, Flynn-O'Brien KT, Midwest Pediatric Surgery Consortium
    J Surg Res 2023 Sep; 289: 61-68
    [PubMed ID: 37086597]

All Publications on PubMed