Sergey V. Kantsevoy, M.D., FJGES

Director, The Center for Therapeutic Endoscopy
Institute for Digestive Health and Liver Disease Board Certified: Specialties: Languages Spoken: Phone: Fax: Locations:

Sergey V. Kantsevoy, M.D., is Director of The Center for Therapeutic Endoscopy, part of The Melissa L. Posner Institute for Digestive Health & Liver Disease at Mercy in Baltimore, Maryland. Dr. Kantsevoy is a specialist and regional authority in interventional endoscopy and endoscopic ultrasound. He has been named a "Top Doctor" in Gastroenterology by Castle Connolly Medical, Ltd.

The Center for Therapeutic Endoscopy is a centralized treatment hub for digestive health and liver diseases providing screening services and treatment for illnesses affecting the colon, esophagus, stomach, liver, bile ducts, pancreas and intestines. As one of the best doctors in the region in endoscopic procedures, Dr. Sergey Kantsevoy leads The Center for Therapeutic Endoscopy, providing innovative treatments. 

Patients can receive endoscopic procedures not even available in many major teaching institutions. Innovation and clinical expertise combined with compassion and true dedication to digestive health issues are the hallmarks of patient care at The Center for Therapeutic Endoscopy.

Published Authority in Endoscopic Procedures

Dr. Kantsevoy has been ranked in the Top 2% of Scientists in the World by PLOS Biology. Board Certified in Gastroenterology and Hepatology, he is a seasoned lecturer and has been invited to medical conferences in China, Germany, Puerto Rico, Hong Kong and the United States. He is also a well published author and has produced decades of peer-reviewed scientific articles for such publications as:

  • Clinical Gastroenterology and Hepatology
  • Digestive Diseases and Sciences
  • Endoscopy
  • Gastrointestinal Endoscopy
  • Surgical Endoscopy

He is a co-author of several books on digestive disorders, over 20 book chapters and has medical patents on procedures and treatment systems in endoscopic procedures. Dr. Kantsevoy is internationally recognized as a Fellow of the Japan Gastroenterological Endoscopy Society (FJGES) - a prestigious professional designation for gastroenterologists with expertise in endoscopic procedures.  

Education & Fellowships

  • Fellowship -- Gastroenterology & Hepatology, Johns Hopkins Hospital
  • Residency – Bronx-Lebanon Hospital Center, New York; Washington Hospital Center, Washington, D.C.
  • Medical Degree – Gorky State Medical Institute, Russia
Patient Stories
Institute for Digestive Health and Liver Disease at Mercy - Baltimore, MD


A patient tells of her experience with health struggles and finally healing after having a stomach polyp removed using therapeutic endoscopy.

Associations & Memberships
  • American Gastroenterological Association
  • American Society for Gastrointestinal Endoscopy
  • Fellow of the Japan Gastroenterological Endoscopy Society