Charles M. Leys, MD, FACS

Associate Professor

  • Chief, Division of Pediatric Surgery
  • Dr. James and Sharon Gutenberger Family Pediatric Surgery Chair

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, 2000
  • Masters of Science in Clinical Investigation (MSCI), Vanderbilt University School of Medicine, Nashville, TN, 2005
  • General Surgery Residency, Vanderbilt University School of Medicine, Nashville, TN, 2007
  • Fellowship in Pediatric Surgery, Children’s Mercy Hospitals and Clinics, Kansas City, MO, 2009

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

  • Association of Nonoperative Management Using Antibiotic Therapy vs Laparoscopic Appendectomy With Treatment Success and Disability Days in Children With Uncomplicated Appendicitis.
    Minneci PC, Hade EM, Lawrence AE, Sebastião YV, Saito JM, Mak GZ, Fox C, Hirschl RB, Gadepalli S, Helmrath MA, Kohler JE, Leys CM, Sato TT, Lal DR, Landman MP, Kabre R, Fallat ME, Cooper JN, Deans KJ, Midwest Pediatric Surgery Consortium
    JAMA 2020 08 11; 324(6): 581-593
    [PubMed ID: 32730561]

  • Inter-rater Reliability of Sacral Ratio Measurements in Patients with Anorectal Malformations.
    Metzger G, Cooper JN, Kabre RS, Mak GZ, Halleran DR, Boyd K, Chan S, Corea D, Dydynski P, Gill K, Kraus S, Sanchez R, Afrazi A, Calkins C, Linden AF, Downard C, Ehrlich PF, Fraser JD, Landman M, Leys CM, Rymeski B, Wood RJ, Levitt MA, Deans KJ, Bates DG, Minneci PC, Midwest Pediatric Surgery Consortium
    J. Surg. Res. 2020 Jul 23; 256: 272-281
    [PubMed ID: 32712441]

  • Early vasopressor administration in pediatric blunt liver and spleen injury: An ATOMAC+ study.
    Notrica DM, Sussman BL, Sayrs LW, St Peter SD, Maxson RT, Alder AC, Eubanks JW, Johnson JJ, Ostlie DJ, Ponsky T, Naiditch JA, Leys CM, Lawson KA, Greenwell C, Bhatia A, Garcia NM
    J. Pediatr. Surg. 2020 Jul 12;
    [PubMed ID: 32778447]

  • Surgical Pulmonary and Pleural Diseases in Children: Lung Malformations, Empyema, and Spontaneous Pneumothorax.
    Kunisaki SM, Leys CM
    Adv Pediatr 2020 Aug; 67: 145-169
    [PubMed ID: 32591058]

  • Sutureless vs sutured abdominal wall closure for gastroschisis: Operative characteristics and early outcomes from the Midwest Pediatric Surgery Consortium.
    Fraser JD, Deans KJ, Fallat ME, Helmrath MA, Kabre R, Leys CM, Burns RC, Corkum K, Dillon PA, Downard CD, Gadepalli SK, Grabowski JE, Hernandez E, Hirschl RB, Johnson KN, Kohler JE, Landman MP, Landisch RM, Lawrence AE, Mak GZ, Minneci PC, Rymeski B, Sato TT, Scannell M, Slater BJ, Wilkinson KH, Wright TN, St Peter SD, Midwest Pediatric Surgery Consortium
    J. Pediatr. Surg. 2020 Feb 20;
    [PubMed ID: 32151403]

All Publications on PubMed