Charles M. Leys, MD close
Charles M. Leys, MD  

Charles M. Leys, MD Print Friendly Page

Faculty, University of Wisconsin School of Medicine and Public Health

Dr. Leys he is Director of pediatric minimally-invasive surgery at American Family Children’s Hospital. His practice emphasizes minimally-invasive approaches to numerous pediatric and newborn surgical diseases, including congenital anomalies, thoracic disorders, chest wall deformities, tumors and gastrointestinal disorders such as inflammatory bowel disease and gastroesophageal reflux. His training includes a two-year oncology research fellowship at Vanderbilt University and he has also earned a Masters in Clinical Investigation degree.


Pediatric General Surgery

UW Health Clinics

American Family Children's Hospital
(608) 263-6420 | (800) 323-8942 | Map
American Family Children's Hospital
(608) 263-6420 | (800) 323-8942 | Map

Other Locations

SwedishAmerican Medical Group/Woodside (Rockford)
(779) 696-8499 |  Map

Hospital Affiliation(s)

American Family Children's Hospital (primary)

UW School of Medicine and Public Health

Department of Surgery

Professional Certifications and Education

Board Certification Pediatric Surgery

Pediatric Surgery, Children's Mercy Hospital, Kansas City, MO

Residency Vanderbilt University Medical Center, Nashville, TN
Medical School University of Wisconsin School of Medicine and Public Health, Madison, WI, 2000

Medical interpreters are available to help patients communicate with hospital and clinic staff. For more information, please contact interpreter services at (608) 262-9000.


Our doctors provide a wide range of services. The following list represents some, but not all, of the procedures offered by this physician.

Programs & Conditions


Dr. Leys' research interests include prospective clinical trials and quality improvement.

PubMed Articles
Hall NJ Eaton S Leys CM Langer J Kroll EL Calkins C von Allmen D Azizkhan RG Bruch S MacKinlay G Pierro A . Reply to letter to the editor. J Pediatr Surg. 2015 Mar;50(3):497-8
[PubMed ID: 25746716]
Hall NJ Eaton S Seims A Leys CM Densmore JC Calkins CM Ostlie DJ St Peter SD Azizkhan RG von Allmen D Langer JC Lapidus-Krol E Bouchard S Piché N Bruch S Drongowski R MacKinlay GA Clark C Pierro A . Risk of incomplete pyloromyotomy and mucosal perforation in open and laparoscopic pyloromyotomy. J Pediatr Surg. 2014 Jul;49(7):1083-6
[PubMed ID: 24952793]
Papic JC Billmire DF Rescorla FJ Finnell SM Leys CM . Management of neonatal ovarian cysts and its effect on ovarian preservation. J Pediatr Surg. 2014 Jun;49(6):990-3; discussion 993-4
[PubMed ID: 24888849]
Papic JC Finnell SM Howenstein AM Breckler F Leys CM . Postoperative opioid analgesic use after Nuss versus Ravitch pectus excavatum repair. J Pediatr Surg. 2014 Jun;49(6):919-23; discussion 923
[PubMed ID: 24888835]
Papic JC Finnell SM Leys CM Bennett WE Jr Downs SM . Referring physicians' decision making for pediatric anti-reflux procedures. Surgery. 2014 May;155(5):851-9
[PubMed ID: 24787112]
Kulwin CG Margaron FC Leys CM Boaz JC Fulkerson DH . Ventriculogallbladder shunt fracture: bile peritonitis. J Neurosurg Pediatr. 2014 Jan;13(1):94
[PubMed ID: 24266681]
Papic JC Finnell SM Slaven JE Billmire DF Rescorla FJ Leys CM . Predictors of ovarian malignancy in children: overcoming clinical barriers of ovarian preservation. J Pediatr Surg. 2014 Jan;49(1):144-7; discussion 147-8
[PubMed ID: 24439599]
Ceppa EP Pitt HA Hunter JL Leys CM Zyromski NJ Rescorla FJ Sandrasegaran K Fogel EL McHenry LW Watkins JL Sherman S Lehman GA . Hereditary pancreatitis: endoscopic and surgical management. J Gastrointest Surg. 2013 May;17(5):847-56; discussion 856-7
[PubMed ID: 23435738]
Leys CM Gasior AC Hornberger LL St Peter SD . Laparoscopic resection of massive ovarian mucinous cystadenoma. J Laparoendosc Adv Surg Tech A. 2012 Apr;22(3):307-10
[PubMed ID: 22283565]
Weil BR Leys CM Rescorla FJ . The jury is still out: changes in gastroschisis management over the last decade are associated with both benefits and shortcomings. J Pediatr Surg. 2012 Jan;47(1):119-24
[PubMed ID: 22244403]
Hollander LL Leys CM Weil BR Rescorla FJ . Predictive value of response to steroid therapy on response to splenectomy in children with immune thrombocytopenic purpura. Surgery. 2011 Oct;150(4):643-8
[PubMed ID: 22000175]
St Peter SD Valusek PA Hill S Wulkan ML Shah SS Martinez Ferro M Bignon H Laje P Mattei PA Graziano KD Muensterer OJ Pontarelli EM Nguyen NX Kane TD Qureshi FG Calkins CM Leys CM Baerg JE Holcomb GW . Laparoscopic adrenalectomy in children: a multicenter experience. J Laparoendosc Adv Surg Tech A. 2011 Sep;21(7):647-9
[PubMed ID: 21777064]
Shastri N Leys C Fowler M Conners GP . Pediatric button battery and small magnet coingestion: two cases with different outcomes. Pediatr Emerg Care. 2011 Jul;27(7):642-4
[PubMed ID: 21730801]
St Peter SD Barnhart DC Ostlie DJ Tsao K Leys CM Sharp SW Bartle D Morgan T Harmon CM Georgeson KE Holcomb GW 3rd . Minimal vs extensive esophageal mobilization during laparoscopic fundoplication: a prospective randomized trial. J Pediatr Surg. 2011 Jan;46(1):163-8
[PubMed ID: 21238659]
Fraser JD Aguayo P Leys CM Keckler SJ Newland JG Sharp SW Murphy JP Snyder CL Sharp RJ Andrews WS Holcomb GW 3rd Ostlie DJ St Peter SD . A complete course of intravenous antibiotics vs a combination of intravenous and oral antibiotics for perforated appendicitis in children: a prospective, randomized trial. J Pediatr Surg. 2010 Jun;45(6):1198-202
[PubMed ID: 20620320]
Banyard D Ramones T Phillips SE Leys CM Rauth T Yang EY . Method to our madness: an 18-year retrospective analysis on gastroschisis closure. J Pediatr Surg. 2010 Mar;45(3):579-84
[PubMed ID: 20223323]
St Peter SD Aguayo P Fraser JD Keckler SJ Sharp SW Leys CM Murphy JP Snyder CL Sharp RJ Andrews WS Holcomb GW 3rd Ostlie DJ . Initial laparoscopic appendectomy versus initial nonoperative management and interval appendectomy for perforated appendicitis with abscess: a prospective, randomized trial. J Pediatr Surg. 2010 Jan;45(1):236-40
[PubMed ID: 20105610]
Fraser JD Leys CM St Peter SD . Laparoscopic removal of a gastric trichobezoar in a pediatric patient. J Laparoendosc Adv Surg Tech A. 2009 Dec;19(6):835-7
[PubMed ID: 19405804]
Fraser JD Aguayo P Leys CM St Peter SD Ostlie DJ . Infarction of an epiploic appendage in a pediatric patient. J Pediatr Surg. 2009 Aug;44(8):1659-61
[PubMed ID: 19635325]
Fraser JD Cully BE Rivard DC Leys CM Holcomb GW 3rd St Peter SD . Traumatic pseudoaneurysm of the anterior tibial artery treated with ultrasound-guided thrombin injection in a pediatric patient. J Pediatr Surg. 2009 Feb;44(2):444-7
[PubMed ID: 19231554]
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