A. Steven Fleisher

A Steven Fleisher, MDA. Steven Fleisher, MD, is chief of Gastroenterology and director of Interventional Endoscopy at the Center for Digestive Disease at MedStar Franklin Square Medical Center. He is board certified in internal medicine and gastroenterology by the American Board of Internal Medicine.

Dr. Fleisher specializes in diseases of the pancreas and biliary system and in the diagnosis and staging of digestive cancers, including those of the colon, rectum, pancreas, stomach, liver and esophagus. He is skilled in treating a wide range of disorders using traditional as well as advanced interventions, such as endoscopic retrograde cholangiopancreatography (ERCP), endoscopic ultrasound, balloon-assisted enteroscopy, video capsule enteroscopy, mucosectomy, radiofrequency ablation of Barrett's esophagus, and esophageal and biliary stent placement.

Dr. Fleisher is experienced in testing the safety and efficacy of new pharmaceutical options for patients. His research has been funded by the National Institute of Diabetes and Digestive and Kidney Diseases and by several pharmaceutical companies. Results of his research have been published in peer-reviewed journals, including the Journal of Clinical Pharmacology, Gastroenterology, Cancer Research, Journal of the National Cancer Institute and Oncogene. In addition, he has published chapters on Hodgkin's disease, Barrett's esophagus and esophageal adenocarcinoma.

Dr. Fleisher is a fellow of the American Gastroenterological Association. To stay current with advances in gastroenterology, he maintains memberships in the American College of Gastroenterology, the American Society for Gastrointestinal Endoscopy and the American College of Physicians. He was named a 2015 "Top Doctor" for gastroenterology by Baltimore magazine.

His medical degree is from the University of the Witwatersrand Faculty of Health Sciences, Johannesburg, South Africa. He completed an internship in internal medicine and surgery at Chris Hani Baragwanath Hospital, Johannesburg. He continued his education with residencies at Ipswich Hospital, Ipswich, UK, and Sinai Hospital, Baltimore. He then completed a fellowship in gastroenterology at the University of Maryland Medical Center.

Research Interests

Dr. Fleisher’s research interests include the following:

  • Pancreatic disease
  • Endoscopic ultrasound
  • Endoscopic retrograde cholangiopancreatography (ERCP)
  • Biliary and pancreatic endoscopy
  • Radio frequency ablation
  • New surgical techniques
  • Novel therapeutic options

Selected Research

Barrett's esophagus and β-carotene therapy

Dr. Fleisher and colleagues conducted this prospective study to determine whether β-carotene would reduce symptoms of gastroesophageal reflux disease in patients with Barrett's esophagus. This work was published in the Asian Pacific Journal of Cancer Prevention (2012;13:6011-6016).

Incidental endoscopic finding of foreign material in the duodenum

In this work, Dr. Fleisher and colleagues present a case report on a woman with gastrointestinal complications of pancreatitis with abscess formation and sepsis. This research was published in Gastroenterology (2012;143:e14-5. doi: 10.1053/j.gastro.2012.04.003).

View Dr. Fleisher’s research on PubMed.

Visit Dr. Fleisher’s clinical practice page.

  • Research Areas
  • Other Medical