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Endoscopy & Surgery Center - Columbia

Johns Hopkins Endoscopy and Surgery Center is conveniently located in the heart of Columbia, and is a brand new facility offering state of the art endoscopy services. It is located next to the Johns Hopkins Division of Gastroenterology & Hepatology clinic, offering specialty consultative services for all gastrointestinal and liver issues, keeping patient care consolidated in one location. Our aim is to provide expert medical care with easy access from Washington DC, Baltimore, Frederick, Annapolis and Odenton.


  • Colorectal cancer screening
  • Direct access endoscopy for physician referrals
  • Endoscopic ultrasonography with fine needed aspiration
  • Endoscopic therapy for Barrett’s esophagus
  • Fatty Liver Center
  • Heartburn Center
  • Inflammatory bowel disease
  • Liver disease and liver transplantation
  • Outpatient infusions
  • Smartpill capsules, capsule endoscopy and breath tests
  • Weight management and endoscopic bariatric therapies

Address and Directions

Johns Hopkins Endoscopy & Surgery Center
Knoll North Surgery Center
5450 Knoll North Drive, Suite 301& 390
Columbia, MD 21045


Request an Appointment

For clinic appointments, please call 410-933-7495. To schedule an endoscopy or colonoscopy, please call 443-997-0286.