Jack Leya, MD



Languages Spoken

English, Polish

Clinical Expertise

  • Barrett's Esophagus
  • Bile Duct Disorders
  • Common Bile Duct Stones
  • ERCP
  • Endoscopic Ultrasound
  • Esophagus Cancer
  • GERD- swallowing disorders- C. difficle infection
  • Invasive Gastroenterology
  • Jaundice
  • Jaundice
  • Pancreas Cancer
  • Pancreas Disorders
  • Pancreatitis
  • Peptic Ulcer
  • Stomach Cancer
  • Therapeutic Endoscopy
  • Therapeutic Endoscopy

About Dr. Leya

Alpine Skiing, Civil War History

Medical Education

Medical School
Jagiellonian University, College of Medicine, Poland
VA Medical Center
Hines - Internal Medicine: General
VA Medical Center, Hines - Internal Medicine: Gastroenterology

Board Certification

Gastroenterology - Subspecialty Cert: AM Board of Internal Medicine
Internal Medicine - General Cert: AM Board of Internal Medicine


  • Endoscopic repair of duodenocutaneous fistula with an enterocutaneous fistula plug Chow, K.; Leya, J.; Gupta, N., Gastrointestinal endoscopy
  • Successful endoscopic dislodgement and removal of ingested glass from the esophagus: a medical emergency Wanta, K.; Appannagari, A.; Leya, J.; Gupta, N., Gastrointestinal endoscopy
  • Endoscopic holmium laser lithotripsy to extract a large gallstone impacted in the terminal ileum Soudagar, A. S.; Leya, J.; Gupta, N., Gastrointestinal endoscopy
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  • Recurrent intra-abdominal abscess formation due to a gastric diverticulum Pietrzak, C.; Leya, J.; Abood, G.; Yonick, D.; Gupta, N., Endoscopy
  • Non-cardiac chest pain: the long-term natural history and comparison with gastroesophageal reflux disease. Williams, J. F.; Sontag, S. J.; Schnell, T.; Leya, J., American Journal of Gastroenterology
  • The long-term natural history of gastroesophageal reflux disease Sontag, S. J.; Sonnenberg, A.; Schnell, T. G.; Leya, J.; Metz, A., Journal of clinical gastroenterology
  • Posttransplantation lymphoproliferative disorder. Anantharaju, A.; Nauth, J.; Al-Masri, H.; Kennedy, M.; Mobarhan, S.; Shah, N.; Leya, J., Gastrointestinal endoscopy
  • Complete esophagogastric anastomotic disruption. Anantharaju, A.; Cheema, A.; Van Thiel, D. H.; Leya, J., Gastrointestinal endoscopy
  • Validity of using standard error of mean in trials Cheema, A. W.; Leya, J., Gastrointestinal endoscopy
  • New occurrence and recurrence of neoplasms within 5 years of a screening colonoscopy. Avidan, B.; Sonnenberg, A.; Schnell, T. G.; Leya, J.; Metz, A.; Sontag, S. J., American Journal of Gastroenterology
  • Defining a role for endoscopic ultrasound in staging periampullary tumors. Shoup, M.; Hodul, P.; Aranha, G. V.; Choe, D.; Olson, M.; Leya, J.; Losurdo, J., American Journal of Surgery