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 Gardner Syndrome. Her top areas of expertise are Achalasia, Pancreatic Pseudocyst, Stomach Cancer, Endoscopy, and Gastric Bypass.

Sergey Kantsevoy is a Gastroenterologist in Baltimore, Maryland. Dr. Kantsevoy is rated as a Distinguished provider by MediFind in the treatment of Gardner Syndrome. His top areas of expertise are Familial Adenomatous Polyposis, Turcot Syndrome, Gardner Syndrome, Endoscopy, and Colonoscopy. Dr. Kantsevoy is currently accepting new patients.

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 Experienced provider by MediFind in the treatment of Gardner Syndrome. His top areas of expertise are Achalasia, Pancreatic Pseudocyst, Bile Duct Obstruction, Endoscopy, and Gastric Bypass.

Dr. Akshintala received his medical degree from the Andhra Medical College in India in 2011. Following this, he completed a post-doctoral research fellowship in Gastroenterology at Johns Hopkins Hospital where he established himself as a dedicated researcher. Dr. Akshintala completed his internship and residency training in Internal Medicine at the University of Pittsburgh Medical Center in 2016. He completed his fellowship in Gastroenterology at Johns Hopkins Hospital in 2019. Dr. Akshintala then completed additional fellowships in Advanced Endoscopy and Medical Pancreatology at the Johns Hopkins Hospital in 2021. As of July 1, 2021, Dr. Akshintala is an Assistant Professor of Medicine in the Division of Gastroenterology at Johns Hopkins Hospital. Dr. Akshintala’s research is focused on the medical as well as endoscopic evaluation and treatment of inflammatory disorders of the pancreas. He is also interested in developing new devices and technologies for the care of patients with gastrointestinal disorders. Dr. Akshintala has conducted multi-national randomized-controlled trials and has won numerous awards at major national and international conferences for his research. He also has authored more than 60 original articles, editorials, book chapters and review articles. Dr. Akshintala has received grant funding from the American Society for Gastrointestinal Endoscopy (ASGE) and the Maryland State to support his research. As an innovator, Dr. Akshintala has patented new therapies for gastrointestinal bleeding and pancreas necrosis, a complication of acute pancreatitis. An internationally recognized researcher conducting multi-national clinical trials, Dr. Akshintala holds an Adjunct Assistant Professor position at the Asian Institute of Gastroenterology in India, one of the largest gastroenterology hospitals in the world. Dr. Akshintala is a Ph.D. candidate with the Dutch Pancreatitis Study Group in the Netherlands, who have been pioneered landmark clinical trials related to pancreatitis. Dr. Akshintala offers in-person clinic visits at the Baltimore location and also provides telemedicine visits for patients located in Maryland, Washington, D.C. and Virginia. Dr. Akshintala is rated as an Experienced provider by MediFind in the treatment of Gardner Syndrome. His top areas of expertise are Hereditary Pancreatitis, Acute Pancreatitis, Chronic Pancreatitis, Endoscopy, and Lithotripsy.

Allen Banegura is a Gastroenterologist in Catonsville, Maryland. Dr. Banegura is rated as an Advanced provider by MediFind in the treatment of Gardner Syndrome. His top areas of expertise are Familial Adenomatous Polyposis, Angiodysplasia of the Colon, Esophagitis, Gastrectomy, and Colonoscopy.

Thomas Abernathy is a Gastroenterologist in Catonsville, Maryland. Dr. Abernathy is rated as an Advanced provider by MediFind in the treatment of Gardner Syndrome. His top areas of expertise are Lactose Intolerance, Familial Adenomatous Polyposis, Hemorrhoids, Gastrectomy, and Colonoscopy.

Steven Epstein is a Gastroenterologist in Baltimore, Maryland. Dr. Epstein is rated as an Advanced provider by MediFind in the treatment of Gardner Syndrome. His top areas of expertise are Familial Adenomatous Polyposis, Attenuated Familial Adenomatous Polyposis, Cronkhite-Canada Disease, Gastrectomy, and Colonoscopy.

Joseph Lin is a Gastroenterologist in Rosedale, Maryland. Dr. Lin is rated as an Advanced provider by MediFind in the treatment of Gardner Syndrome. His top areas of expertise are Attenuated Familial Adenomatous Polyposis, Juvenile Polyposis Syndrome, Cronkhite-Canada Disease, and Lactose Intolerance.

Ernest Tsao is a Gastroenterologist in Baltimore, Maryland. Dr. Tsao is rated as an Experienced provider by MediFind in the treatment of Gardner Syndrome. His top areas of expertise are Hepatitis, Gas Bloat Syndrome, Hepatitis C, Endoscopy, and Gastrectomy.

Dr. Onwueme graduated with Distinction from Yale University with dual BSc/MSc degrees in chemistry and received MD and PhD degrees from Weill Cornell Medical College. He completed his Internal Medicine residency at Brigham and Women’s Hospital (Clinical Fellow Harvard Medical School) and his Gastroenterology fellowship at Johns Hopkins University School of Medicine. He is currently the Director of clinical trials at Woodholme Gastroenterology and has an ardent interest in the role of microbial metabolites in gut diseases. Dr. Onwueme prizes commitment to quality and compassionate patient care to which he devotes his practice. He has expert knowledge in gut microbiology and a special interest in diarrheal diseases, disordered gut motility, autoimmune and inflammatory bowel disease. Dr. Onwueme is rated as an Experienced provider by MediFind in the treatment of Gardner Syndrome. His top areas of expertise are Gastric Dysmotility, Diverticular Disease, Diarrhea, Endoscopy, and Gastrectomy.

Eric Blum is a Gastroenterologist in Baltimore, Maryland. Dr. Blum is rated as an Experienced provider by MediFind in the treatment of Gardner Syndrome. His top areas of expertise are Diverticular Disease, Familial Adenomatous Polyposis, Viral Gastroenteritis, Colonoscopy, and Endoscopy.

April Tignor is a Gastroenterologist in Glen Burnie, Maryland. Dr. Tignor is rated as an Experienced provider by MediFind in the treatment of Gardner Syndrome. Her top areas of expertise are Hemorrhoids, Indigestion, Gastritis, Endoscopy, and Gastrectomy.

Anthony Kalloo is a professor of medicine with special interests in natural orifice translumenal endoscopic surgery, therapeutic endoscopy and sphincter of Oddi dysfunction. After receiving his medical degree at the University of the West Indies Medical School, Dr. Kalloo interned at Port of Spain General Hospital in Trinidad and performed his internal medicine residency at Howard University Hospital in Washington, D.C., where he was also chief resident. He completed fellowship training at the combined Georgetown University, Veterans Affairs Medical Center and National Institutes of Health program. Dr. Kalloo was an instructor of medicine at Georgetown University prior to joining the Johns Hopkins faculty in 1988. He was director of the Johns Hopkins Division of Gastroenterology and Hepatology from 2005–2020, and was an associate editor of Gastrointestinal Endoscopy. In 2009, Dr. Kalloo was recognized by the American Society for Gastrointestinal Endoscopy as the Distinguished Educator of the Year. In 2014, he received the Endoscopy Award from the German Society for Endoscopy for outstanding research and contribution in the field of endoscopy. In 2015, he received the BJ Vakil Oration from the Society of Gastrointestinal Endoscopy of India, which is bestowed on an international expert for his contribution to the field of gastrointestinal endoscopy. He has authored over 200 peer-reviewed publications and has more than 100 patents, including the use of botulinum toxin in the gastrointestinal tract, endoscopic cryotherapy and the winged biliary/pancreatic stent, as well as others related to natural orifice surgery. He is the pioneer of natural orifice translumenal endoscopic surgery, a technique that will enable abdominal surgery without the use of incisions. In 2015, he became a member of the inaugural chapter of the National Academy of Inventors at The Johns Hopkins University. This group represents the top 3% of all faculty inventors since 1969, and the top 1.5% of active Johns Hopkins faculty. Dr. Kalloo is a past panel chair for gastroenterology and urology devices with the United States Food and Drug Administration. He aims to advance the understanding, diagnosis, treatment and prevention of gastrointestinal and liver disease through patient care, education and research. Dr. Kalloo is rated as an Experienced provider by MediFind in the treatment of Gardner Syndrome. His top areas of expertise are Hereditary Pancreatitis, Acute Pancreatitis, Achalasia, Endoscopy, and Gastrectomy.

Dr. Mullin is an associate professor of medicine at The Johns Hopkins University School of Medicine. Dr. Mullin has more than 30 years of clinical experience in the field of general gastroenterology. Dr. Mullin is a reviewer and also serves on the editorial board of numerous gastroenterology journals. Videos Hopkins at Home presents, A Woman's Journey: Is It Celiac Disease?. Dr. Mullin is rated as an Experienced provider by MediFind in the treatment of Gardner Syndrome. His top areas of expertise are Small Bowel Bacterial Overgrowth, Irritable Bowel Syndrome (IBS), Diarrhea, Endoscopy, and Colonoscopy.

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

Richard Desi is a Gastroenterologist in Baltimore, Maryland. Dr. Desi is rated as an Experienced provider by MediFind in the treatment of Gardner Syndrome. His top areas of expertise are Familial Adenomatous Polyposis, Diverticular Disease, Gardner Syndrome, Endoscopy, and Gastrectomy. Dr. Desi is currently accepting new patients.

Jonathan Schreiber is a Gastroenterologist in Baltimore, Maryland. Dr. Schreiber is rated as an Experienced provider by MediFind in the treatment of Gardner Syndrome. His top areas of expertise are Gastroesophageal Reflux Disease (GERD), Morning Sickness, Esophagitis, Endoscopy, and Gastrostomy. Dr. Schreiber is currently accepting new patients.

Ekta Gupta is a Gastroenterologist and a Hospital Medicine provider in Baltimore, Maryland. Dr. Gupta is rated as an Experienced provider by MediFind in the treatment of Gardner Syndrome. Her top areas of expertise are Hiccups, Irritable Bowel Syndrome (IBS), Swallowing Difficulty, and Painful Swallowing. Dr. Gupta is currently accepting new patients.

Peter Darwin is a Gastroenterologist in Baltimore, Maryland. Dr. Darwin is rated as an Experienced provider by MediFind in the treatment of Gardner Syndrome. His top areas of expertise are Cholestasis, Bile Duct Obstruction, Bile Duct Stricture, Endoscopy, and Pancreatectomy.

Eric Goldberg is a Gastroenterologist in Baltimore, Maryland. Dr. Goldberg is rated as an Experienced provider by MediFind in the treatment of Gardner Syndrome. His top areas of expertise are Crohn's Disease, Bile Duct Obstruction, Bile Duct Stricture, Endoscopy, and Pancreaticoduodenectomy.