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Photo of Dr. Anne Marie O'Broin Lennon

Anne Marie O'Broin Lennon, M.B.B.Ch., M.D., Ph.D.

Director, Multidisciplinary Pancreatic Cyst Program
Associate Professor of Medicine

Female  | Languages: English, French

Appointment Phone


Main Location

The Johns Hopkins Hospital

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

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

Learn more about our out-of-state patient services »

International Patients

Call +1-410-502-7683 (7a.m. to 6p.m., EST, Mon-Fri)

Learn more about our international patient services »


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

Centers & Institutes



The Johns Hopkins Hospital

Appointment Phone: 410-955-5800

600 N. Wolfe Street
Sheikh Zayed Tower
Baltimore, MD 21287 map
Fax: 410-614-7340

Johns Hopkins Outpatient Center

Appointment Phone: 410-861-7678

601 N. Caroline Street
Baltimore, MD 21287 map


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


Dr. Anne Marie Lennon is an Associate 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. Lennon's 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. more

Featured Video

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.

    Additional Information

  • Education +


    • Royal College of Surgeons in Ireland (1996)


    • Cleveland Clinic / Internal Medicine (1999)
    • Mater Misericordiae University Hospital (1999)


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

    Recent News Articles & Media Coverage

    10 Cancer Symptoms You Can’t Ignore

    Finding and treating cancer at an early stage can save lives. In this recorded webinar, surgical oncologist Nita Ahuja and gastroenterologist Anne Marie Lennon discuss why symptoms such as bleeding, gastrointestinal issues and unexplained weight change may be cause for concern.

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