Geraldine (. Keane
Experienced in Cholangitis

Dr. Geraldine (. Keane

Gastroenterology
Johns Hopkins Medicine
Sibley Memorial Hospital
5215 Loughboro Road Northwest, Suite 330, Suite 330, 
Washington, DC 
Offers Telehealth

Experienced in Cholangitis
Johns Hopkins Medicine
Sibley Memorial Hospital
5215 Loughboro Road Northwest, Suite 330, Suite 330, 
Washington, DC 
OverviewInsuranceLocationsClinical ResearchSimilar Doctors

Overview

Margaret “Geri” Keane is a gastroenterologist specializing in Therapeutic and Bariatric endoscopy. She primarily treats people who require assistance with weight loss or who have weight regain or a complication following Bariatric Surgery. She offers the full range of minimally invasive endoscopic approaches to weight loss, including endoscopic sleeve gastroplasty, the gastric balloon procedure or transoral gastric outlet reduction. She also sees patients who have biliary complaints such as bile duct stones or strictures, cancers of the bile duct or and diseases of the pancreas such as pancreatic cysts, to name a few. She performs all forms of therapeutic EUS and ERCP including cholangioscopy. Dr. Keane earned her medical degree at Guy’s, King’s and St Thomas’ Medical school in London. She completed her internal medicine residency at The Hammersmith and Charing Cross hospitals in London, followed by a fellowship in gastroenterology and hepatology at University College London Hospitals, the Royal Free Hospital and King’s College Hospital in London. During her gastroenterology fellowship, Dr. Keane undertook a master’s degree in medical education and a Ph.D. at University College London. Her doctorate explored novel diagnostic and therapeutic strategies for the management of pancreatic cysts. Following her gastroenterology fellowship, Dr. Keane completed a fellowship in hepatology and endoscopic retrograde cholangiopancreatography/endoscopic ultrasound at King’s College London, followed by a two-year advanced endoscopy fellowship at Johns Hopkins. She is certified in general internal medicine, gastroenterology and hepatology by the Joint Royal Colleges of Physicians Training Board of the United Kingdom. She is a member of the Royal College of Physicians of the United Kingdom and is a fellow of the Higher Education Academy. She is a recipient of the American Society for Gastrointestinal Endoscopy 2022 Endoscopic Training Award, which enabled her to gain dedicated training in bariatric endoscopy at Mohak bariatric center in Indore, India, one of the busiest bariatric centers in the world. Dr. Keane’s research interests include Bariatric Endoscopy, Endoscopic innovation and early diagnostic strategies for pancreatic and biliary tract cancers including the management of pancreatic cysts. She has published more than 70 original articles, editorials, book chapters and review articles.

Dr. Keane is rated as an Experienced provider by MediFind in the treatment of Cholangitis. Her top areas of expertise are Bile Duct Obstruction, Pancreatic Cancer, Gallbladder Disease, Endoscopy, and Hepato-Pancreato-Biliary Surgery.

Her clinical research consists of co-authoring 43 peer reviewed articles. MediFind looks at clinical research from the past 15 years. In particular, she has co-authored 1 article in the study of Cholangitis.

Graduate Institution
University College, University Of London School Of Medicine, Medical Education, MSc, 2014
Residency
NHS-National Health Service England, General Internal Medicine, 2010
Specialties
Gastroenterology
Licenses
Internal Medicine in MD
Fellowships
Johns Hopkins University School of Medicine, GI Advanced Therapeutics, 2021
University of London King's College School of Medicine And Dentistry, Hepatology, 2019
Hospital Affiliations
Sibley Memorial Hospital
The Johns Hopkins Hospital
Languages Spoken
English
Gender
Female

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Locations

Sibley Memorial Hospital
5215 Loughboro Road Northwest, Suite 330, Suite 330, Washington, DC 20016
Call: 410-933-7495

Clinical Research

Clinical research consists of overseeing clinical studies of patients undergoing new treatments and therapies, and publishing articles in peer reviewed medical journals. Providers who actively participate in clinical research are generally at the forefront of the fields and aware of the most up-to-date advances in treatments for their patients.


43 Total Publications

Correction: Fully covered self-expandable metal stents versus multiple plastic stents for the treatment of post-orthotopic liver transplant anastomotic biliary strictures: An updated systematic review and meta-analysis of randomized controlled trials.
Correction: Fully covered self-expandable metal stents versus multiple plastic stents for the treatment of post-orthotopic liver transplant anastomotic biliary strictures: An updated systematic review and meta-analysis of randomized controlled trials.
Journal: Surgical endoscopy
Published: September 23, 2025
View All 43 Publications
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Distinguished in Cholangitis
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410-252-2273
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Areas of Expertise

MediFind evaluates expertise by pulling from factors such as number of articles a doctor has published in medical journals, participation in clinical trials, speaking at industry conferences, prescribing and referral patterns, and strength of connections with other experts in their field.

Learn more about MediFind’s expert tiers

Find Dr. Keane's expertise for a condition
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      • Advanced
      • Bile Duct Obstruction
        Dr. Keane is
        Advanced
        . Learn about Bile Duct Obstruction.
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      • Endoscopy
        Dr. Keane is
        Advanced
        . Learn about Endoscopy.
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      • Hepato-Pancreato-Biliary Surgery
        Dr. Keane is
        Advanced
        . Learn about Hepato-Pancreato-Biliary Surgery.
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      • Pancreatic Cancer
        Dr. Keane is
        Advanced
        . Learn about Pancreatic Cancer.
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      • Experienced
      • Acute Pancreatitis
        Dr. Keane is
        Experienced
        . Learn about Acute Pancreatitis.
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      • Ascites
        Dr. Keane is
        Experienced
        . Learn about Ascites.
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      • Bile Duct Stricture
        Dr. Keane is
        Experienced
        . Learn about Bile Duct Stricture.
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      • Childhood Pancreatitis
        Dr. Keane is
        Experienced
        . Learn about Childhood Pancreatitis.
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      • Cholangiocarcinoma (Bile Duct Cancer)
        Dr. Keane is
        Experienced
        . Learn about Cholangiocarcinoma (Bile Duct Cancer).
        See more Cholangiocarcinoma (Bile Duct Cancer) experts
      • Cholangitis
        Dr. Keane is
        Experienced
        . Learn about Cholangitis.
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      View All 24 Experienced Conditions
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