Marcia (Mimi) Canto, M.D., M.H.S. is a Professor of Medicine at The Johns Hopkins University School of Medicine. She is also the Director of Endoscopy at the Johns Hopkins Hospital. Dr. Canto received her Bachelor of Science degree from the University of the Philippines in Manila in 1981 (summa cum laude). She received her Doctor of Medicine degree in 1985 from the University of the Philippines and completed her training in Internal Medicine from State University of New York Sciences Center in Brooklyn, Brooklyn, New York. Dr. Canto completed a postdoctoral fellowship in Gastroenterology-Hepatology at The Johns Hopkins University School of Medicine and received a Master of Health Science in Clinical Epidemiology from The Johns Hopkins University School of Hygiene and Public Health in 1993. Dr. Canto came back to Johns Hopkins after spending three years at Case Western Reserve University in Cleveland, Ohio for advanced endoscopic training. Her primary clinical interests include endoscopy, particularly the use of endoscopic ultrasound (EUS) in detecting early pancreatic cancer and its precursors. She has recently shown that endoscopic ultrasound can be used to detect asymptomatic precancerous lesions in patients with a family history of pancreatic cancer. Dr. Canto is rated as an Elite provider by MediFind in the treatment of Barrett Esophagus. Her top areas of expertise are Barrett Esophagus, Familial Pancreatic Cancer, Gastroesophageal Reflux Disease (GERD), Endoscopy, and Gastrectomy.

Dr. Stephen J. Meltzer is a Professor of Medicine and Oncology at Johns Hopkins University, Division of Gastroenterology. He is the Director of GI Early Detection Biomarkers Laboratory and a member of the Johns Hopkins Kimmel Cancer Center. His research interests are Gastrointestinal cancer and precancer biomarker discover, development and validation; genomics, epigenomics and bioinformatics, early detection of cancer, outcomes research in cancer and precancer, risk stratification prediction in cancer and precancer, Barrett's esophagus, inflammatory bowel disease-associated cancer, liver cancer and gastric cancer. After receiving degree in Medicine at the State University of New York Medical School, Dr. Meltzer interned at Tulane University in New Orleans and University of Texas Medical Branch in Galveston, TX. He completed his fellowship training program in the University of Colorado and the Lenox Hill Hospital. He was an Assistant Professor in UCLA, Center for Health Science in 1987. Prior to joining the faculty at Johns Hopkins in 2006, he was Professor of Medicine and Pharmacology, Founder and Head of Aero digestive Cancer/Biomarker Program in School of Medicine, University of Maryland at Baltimore. He is an Associate Editor of Cancer Research and a member of the editorial board of Esophageal. He has published 152 original scientific papers in high-impact scientific journals. He also has 43 chapters, review articles, editorials, or letters to the editor; 1 book; and 139 abstracts to his name. He has given a plethora of invited lectures around the world, all involving his principal field of esophageal and gastrointestinal cancer research. He has been the recipient of numerous prestigious national and international awards, including the Robert and Sally D. Funderburg Award in Gastric Cancer Biology and membership in the American Society for Clinical Investigation. Special Interests: Gastrointestinal cancer and precancer biomarker discover, development and validation; genomics, epigenomics and bioinformatics, early detection of cancer, outcomes research in cancer and precancer, risk stratification prediction in cancer and precancer. Barrett's esophagus, inflammatory bowel disease-associated cancer, liver cancer, gastric cancer. Dr. Meltzer is rated as an Elite provider by MediFind in the treatment of Barrett Esophagus. His top areas of expertise are Barrett Esophagus, Esophageal Cancer, Stomach Cancer, Colorectal Cancer, and Endoscopy.

Bruce Greenwald is a Gastroenterologist in Baltimore, Maryland. Dr. Greenwald is rated as an Elite provider by MediFind in the treatment of Barrett Esophagus. His top areas of expertise are Barrett Esophagus, Esophageal Cancer, Benign Esophageal Stricture, Endoscopy, and Colonoscopy.

Loc Le is a Gastroenterologist in Baltimore, Maryland. Dr. Le is rated as a Distinguished provider by MediFind in the treatment of Barrett Esophagus. His top areas of expertise are Gastroesophageal Reflux Disease (GERD), Irritable Bowel Syndrome (IBS), Barrett Esophagus, Colonoscopy, and Endoscopy.

Gastroenterologist Mouen Khashab specializes in therapeutic endoscopy, and he oversees this group of practitioners across the Johns Hopkins enterprise. Nationally and internationally known in the field of interventional endoscopy, Dr. Khashab has contributed immensely to the field’s advancement as a minimally invasive means to treat gastrointestinal and pancreaticobiliary disorders. Dr. Khashab earned his medical degree from the American University of Beirut Faculty of Medicine, and subsequently completed a residency in internal medicine and a fellowship in gastroenterology at Indiana University. He then completed a two-year fellowship at The Johns Hopkins Hospital before joining the faculty in 2011. A busy researcher, Dr. Khashab has published more than 600 papers in peer-reviewed journals. In 2013, he described the procedure called gastric peroral endoscopic myotomy (known as G-POEM) and was able to disseminate and teach it all over the world. Other procedures that he expanded include peroral endoscopic myotomy (POEM), peroral endoscopic myotomy with fundoplication (POEM-F), Zenker’s peroral endoscopic myotomy (Z-POEM) and full thickness resection. In 2022, he received the Master Endoscopist Award from the American Society for Gastrointestinal Endoscopy (ASGE) for his numerous contributions to the field. His procedural expertise includes endoscopic retrograde cholangiopancreatography (ERCP), endoscopic ultrasound (EUS), interventional EUS, submucosal endoscopy, POEM/achalasia, endoscopic mucosal resection, endoscopic submucosal dissection, luminal stenting, large polyp resection and Barrett’s therapy, among others. Dr. Khashab is involved with multiple gastrointestinal societies and has served on many committees, including the ASGE Standards of Practice Committee, which is in charge of formulating guidelines for the practice of endoscopy. He has also served as an associate editor for the journal Endoscopy, a premier journal in the field. Khashab is a highly sought-after speaker at national and international conferences, and he has participated in multiple live endoscopy conferences. Outside of academic medicine, Dr. Khashab is an entrepreneur. His major interest is in new technology and medical devices, and his goal is to disrupt the field by introducing technology that makes endoscopic procedures safer, easier, efficient and more scalable. Dr. Khashab is rated as an Advanced provider by MediFind in the treatment of Barrett Esophagus. His top areas of expertise are Achalasia, Pancreatic Pseudocyst, Bile Duct Obstruction, Endoscopy, and Gastric Bypass.

Dr. Shin specializes Barrett's esophagus, pancreatobiliary disease (pancreatic cyst, family history of pancreatic cancer), GI malignancy, and advanced endoscopy, including endoscopic retrograde cholangiopancreatography (ERCP) and endoscopic ultrasound (EUS). Dr. Shin is rated as an Advanced provider by MediFind in the treatment of Barrett Esophagus. Her top areas of expertise are Pancreatic Cancer, Familial Pancreatic Cancer, Bile Duct Stricture, Endoscopy, and Pancreaticoduodenectomy.

Preston Kim is a Gastroenterologist in Columbia, Maryland. Dr. Kim is rated as an Advanced provider by MediFind in the treatment of Barrett Esophagus. His top areas of expertise are Gas Bloat Syndrome, Lactose Intolerance, Gastroesophageal Reflux Disease (GERD), Endoscopy, and Gastrectomy.

Gastroenterologist Saowanee Ngamruengphong specializes in the endoscopic diagnosis and management of gastrointestinal malignancies, premalignant and malignant lesions in the gastrointestinal tract (e.g., early gastric cancer, Barrett's esophagus-associated neoplasia), esophageal cancer, colon polyps or early colorectal cancer, and pancreatic and biliary disease. Dr. Ngamruengphong earned a medical degree from Chulalongkorn University and completed residency training at the Texas Tech University Health Sciences Center. She undertook fellowship training in gastroenterology at the Mayo School of Graduate Medical Education and further fellowship training in therapeutic endoscopy at The Johns Hopkins Hospital. Her research interests include endoscopic resection and the management of precancerous or cancerous gastrointestinal lesions. Dr. Ngamruengphong is a member of several professional organizations, including the Thai Medical Council, the American College of Gastroenterology and the American Gastroenterological Association. Videos Endoscopic Submucosal Dissection (ESD) — Eileen’s Story Recent News Articles and Media Coverage A Rare, Stomach-Saving Endoscopic Procedure, Inside Tract (Spring 2021) Case Presentation: ESD-TAMIS, Inside Tract (Spring 2019) Innovative Approaches to Colorectal Surgery Benefit Patients, Surgery (Winter 2019) For Colorectal Polyps: Early Detection and Minimally Invasive Endoscopic Resection, Inside Tract (Winter, 2019) The Cutting Edge of Endoscopic Resection, Inside Tract (Spring, 2017) Stomach Cancer: Know Your Risks & Treatment Options, Johns Hopkins Surgery (4/26/2017). Dr. Ngamruengphong is rated as an Advanced provider by MediFind in the treatment of Barrett Esophagus. Her top areas of expertise are Achalasia, Pancreatic Pseudocyst, Stomach Cancer, Endoscopy, and Gastric Bypass.

Sean Karp is a Gastroenterologist in Columbia, Maryland. Dr. Karp is rated as an Advanced provider by MediFind in the treatment of Barrett Esophagus. His top areas of expertise are Gastroesophageal Reflux Disease (GERD), Diverticular Disease, Irritable Bowel Syndrome (IBS), Familial Adenomatous Polyposis, and Endoscopy.

Russell Schub is a Gastroenterologist in Columbia, Maryland. Dr. Schub is rated as an Advanced provider by MediFind in the treatment of Barrett Esophagus. His top areas of expertise are Heartburn, Familial Adenomatous Polyposis, Barrett Esophagus, and Tenesmus.

Dr. Rai was awarded the “TOP DOC” in Gastroenterology award by Baltimore Magazine for 2016. Dr. Rai is a Gastroenterologist & Hepatologist, with over 22 years of experience in this field. He is the Medical Director of Gastro Center of Maryland & Cascades Endoscopy Center and has served on the Medical Faculty at Johns Hopkins University School of Medicine for many years, starting in 1997. He has been in many leadership positions in the Johns Hopkins Division of Gastroenterology & Hepatology, including as the Medical Director, Adult Liver Transplantation and Director, Clinical Effectiveness. He completed his Gastroenterology & Hepatology Fellowship at Johns Hopkins University in 1996 and completed an additional year of Advanced Fellowship at Johns Hopkins University in Transplant Hepatology and Biliary Disorders. Dr. Rai is considered a national thought leader and expert in the field of Gastroenterology and Liver disease and presents regularly at national and regional meetings. He has received many awards including Excellence in Clinical Research Award from the American College of Gastroenterology, Passano Clinician Scientist Award from Johns Hopkins University, Industry Research Scholar Award & Astra-Merck Award from the American Digestive Health Foundation, among others. He has published dozens of scholarly articles in peer-reviewed journals and authored many chapters for medical textbooks. He has performed over 50,000 procedures in this field and pioneered new and innovative medical techniques. Dr. Rai is rated as an Advanced provider by MediFind in the treatment of Barrett Esophagus. His top areas of expertise are Crohn's Disease, Gastric Dysmotility, Colitis, Colonoscopy, and Gastrectomy.

Wayne Meyer is a primary care provider, practicing in Internal Medicine in Rockville, Maryland. Dr. Meyer has been practicing medicine for over 44 years and is rated as an Experienced provider by MediFind in the treatment of Barrett Esophagus. His top areas of expertise are Cirrhosis, Familial Combined Hyperlipidemia, Xanthoma, and Glucocorticoid-Remediable Aldosteronism. Dr. Meyer is currently accepting new patients.

Christopher Olenec is a Gastroenterologist in Annapolis, Maryland. Dr. Olenec is rated as a Distinguished provider by MediFind in the treatment of Barrett Esophagus. His top areas of expertise are Barrett Esophagus, Bile Duct Obstruction, Gastroesophageal Reflux Disease (GERD), Endoscopy, and Pancreatectomy.

Jahangir Khan is a Gastroenterologist in Rosedale, Maryland. Dr. Khan is rated as a Distinguished provider by MediFind in the treatment of Barrett Esophagus. His top areas of expertise are Gastroesophageal Reflux Disease (GERD), Barrett Esophagus, Gastric Dysmotility, and Juvenile Polyposis Syndrome.

Faisal Bhinder is a Gastroenterologist in Frederick, Maryland. Dr. Bhinder is rated as a Distinguished provider by MediFind in the treatment of Barrett Esophagus. His top areas of expertise are Barrett Esophagus, Gastroesophageal Reflux Disease (GERD), Gastric Dysmotility, and Diverticular Disease.

Alfred Lee is a Gastroenterologist in Pikesville, Maryland. Dr. Lee is rated as a Distinguished provider by MediFind in the treatment of Barrett Esophagus. His top areas of expertise are Barrett Esophagus, Diverticular Disease, Colitis, Gastrectomy, and Endoscopy.

Leonard Kane is a Gastroenterologist in Frederick, Maryland. Dr. Kane is rated as a Distinguished provider by MediFind in the treatment of Barrett Esophagus. His top areas of expertise are Gastroesophageal Reflux Disease (GERD), Gastric Dysmotility, Gastritis, Gastrectomy, and Endoscopy.

Dawei Yang is a Gastroenterologist in Rockville, Maryland. Dr. Yang is rated as a Distinguished provider by MediFind in the treatment of Barrett Esophagus. His top areas of expertise are Diverticular Disease, Indigestion, Familial Adenomatous Polyposis, Gastrectomy, and Colonoscopy.

Dr. Jonathan M. Koff is a gastroenterologist affiliated with Sibley Memorial Hospital and Washington Hospital Center. Dr. Koff practices out of Capital Digestive Care’s Metropolitan Gastroenterology Group, located in Washington, D.C. and Chevy Chase, Md. Dr. Koff has an expertise in esophageal disease and colon cancer detection and screening, in addition to general gastroenterology. Dr. Koff earned his undergraduate degree from Wesleyan University and his medical degree from Boston University School of Medicine. He completed a residency in internal medicine at Walter Reed National Military Medical Center, where he went on to complete a fellowship in gastroenterology. Dr. Koff served in the United States Army for 11 years, working as an internist at the Army clinic in the Pentagon, as a first responder on 9-11 and on a tour in Iraq at the 31st Combat Support Hospital in Mosul. Dr. Koff also went on to direct the Center for Liver Disease and the Inflammatory Bowel Disease Clinic at Walter Reed Army Medical Center, where he served as the director of clinical research in gastroenterology as well. He also completed the first double balloon enteroscopy in the United States Army and in Washington, D.C. Dr. Koff is a member of the American College of Gastroenterology. He is on Sibley Memorial Hospital’s Emergency Room Committee and Internal Medicine Peer Review Committee. Dr. Koff has been named a Top MD by Washingtonian Magazine. Dr. Koff has contributed to various publications and presentation on gastroenterology. Dr. Koff is rated as an Advanced provider by MediFind in the treatment of Barrett Esophagus. His top areas of expertise are Crohn's Disease, Ulcerative Colitis, Eosinophilic Colitis, Endoscopy, and Gastrectomy.

Edward Wolf is a Gastroenterologist in Baltimore, Maryland. Dr. Wolf is rated as an Advanced provider by MediFind in the treatment of Barrett Esophagus. His top areas of expertise are Diverticular Disease, Gastroesophageal Reflux Disease (GERD), Barrett Esophagus, Colonoscopy, and Gastrectomy.