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Anne Marie O'Broin Lennon, MD PhD

Director, Multidisciplinary Pancreatic Cyst Program
Assistant Professor of Medicine
Appointment Phone


Main Location

The Johns Hopkins Hospital

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Out-of-State & International Patients +
Out of State Patients

Call 410-464-6641 (8a.m. to 6p.m., EST, Mon-Fri)

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International Patients

Call +1-410-502-0773 (7a.m. to 6p.m., EST, Mon-Fri)

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  • Director, Multidisciplinary Pancreatic Cyst Program
  • Assistant Professor of Medicine
  • Assistant Professor of Surgery


Abdominal Pain, Clinical Gastroenterology, Colon and Rectal Surgery, Esophageal Cancer, Gallbladder, Gallstones, Gastric Cancer, Gastroenterology, Pancreatic Cancer, Pancreatic Cysts, Pancreatitis, Stomach Cancer, Stomach Pain


Dr. Anne Marie Lennon is an Assistant Professor of Medicine at the Johns Hopkins University School of Medicine. Dr. Lennon is the Director of the Multidisciplinary Pancreatic Cyst Clinic and an attending gastroenterologist at The Johns Hopkins Hospital. She received her medical degree from the Royal College of Surgeons in Ireland in 1996. In addition, Dr. Lennon has obtained a Ph.D degree from The National University of Ireland. She completed an internal medicine residency in Dublin and at the Cleveland Clinic, followed by a Gastroenterology Fellowship in Edinburgh, Scotland. She then completed a two year Advanced Endoscopy Fellowship in endoscopic ultrasound and ERCP at Johns Hopkins. She is certified in General Internal Medicine and Gastroenterology by the Joint Royal Colleges of Physicians Training Board (JRCPTB) of the United Kingdom and is a fellow of the Royal College of Physicians of Ireland. Dr. Lennons major interests are the workup and management of patients with pancreatic cysts, pancreatic cancer or pre-cancerous lesions and the role of endoscopic ultrasound in the diagnosis of pre-cancerous and cancerous lesions.


  • English
  • French

Additional Resources

Additional Resources +
  • Education +


    • University College Dublin Admissions Office ( Belfield) (2006)
    • Royal College of Surgeons in Ireland ( Dublin 2) (1996)


    • Mater Private Hospital ( Dublin 7) (1999)
    • Cleveland Clinic/Internal Medicine ( Cleveland OH ) (1999)


    • The Johns Hopkins Hospital/Gastroenterology ( Baltimore MD ) (2010)
    • Royal Infirmary of Edinburgh/Gastroenterology ( Edinburgh) (2008)
    • St.Vincent's Hospital/Gastroenterology ( Dublin) (2001)
  • Research & Publications +
  • Academic Affiliations & Courses +
  • Activities & Honors +
  • Videos & Media +


    What You Need to Know About Pancreatic Cysts

    Anne Marie Lennon, MD, Assistant Professor of Medicine, Johns Hopkins Gastroenterology & Hepatology and Director of the Multidisciplinary Pancreatic Cyst Program, discusses the prevalence, types, and best approaches to managing pancreatic cysts.

  • Upcoming Events +
  • Contact & Locations +


    The Johns Hopkins Hospital
    600 N. Wolfe Street
    Sheikh Zayed Tower
    Baltimore, MD 21287
    Appointment Phone: 410-955-5800
    Fax: 410-614-7340
    Location Map
    Johns Hopkins Outpatient Center
    601 N. Caroline Street
    Baltimore, MD 21287
    Appointment Phone: 410-861-7678
    Location Map


    • Medicine - Gastroenterology and Hepatology

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