Our Services


Gastroenterologists at the Mass General/North Shore Center for Outpatient Care diagnose and treat the full range of gastrointestinal conditions, ranging from gastroesophageal reflux and Barrett’s esophagus to Crohn's disease.

Gastrointestinal care at the Mass General/North Shore Center for Outpatient Care is a collaboration between two leading medical centers, Massachusetts General Hospital and North Shore Medical Center.

Gastroenterology Services

  • Crohn's disease and ulcerative colitis consultation
  • General gastroenterology
  • Hepatology (liver disease)
  • Interventional colonoscopy
  • Lower endoscopy with and without intervention
  • Pancreatic and biliary consultation
  • Screening/diagnostic colonoscopy
  • Upper endoscopy with or without intervention including screening for:
    • Barrett's esophagus including BARRX treatment procedure
    • Gastroesophageal reflux
    • Ulcer disease

Contact Us:

102-104 Endicott Street
Danvers, MA 01923
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GI Associates (Boston/Danvers)

Dial 978.882.6531
Ashwin Ananthakrishnan, MD
Francis Colizzo, MD
David Forcione, MD
Hamed Khalili, MD
Daniel Pratt, MD
Esperance Schaefer, MD, MPH
Michael Thiim, MD
Vijay Yajnik, MD

GI Physicians (Salem/Danvers)

Dial 978.882.6777
Gregg Brodsky, MD
Khoa Do, MD
Ronald Hartfelder, MD
Nicholas Karamitsios, MD
Melissa Minor, MD
Albert Namias, MD
Joshua Namias, MD
Jeffrey Oringer, MD
Laura Rosenberg, MD