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

Arjun Vaid is a Gastroenterologist in Baltimore, Maryland. Dr. Vaid is rated as a Distinguished provider by MediFind in the treatment of Jaundice. His top areas of expertise are Jaundice, Irritable Bowel Syndrome (IBS), Hiccups, Colonoscopy, and Gastrectomy.

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

Agazi Gebreselassie is a Gastroenterologist and a Hospital Medicine provider in Baltimore, Maryland. Dr. Gebreselassie is rated as an Advanced provider by MediFind in the treatment of Jaundice. His top areas of expertise are Jaundice, Macroamylasemia, Portal Hypertension, Endoscopy, and Colonoscopy.

Ernest Tsao is a Gastroenterologist in Baltimore, Maryland. Dr. Tsao is rated as an Advanced provider by MediFind in the treatment of Jaundice. 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 Advanced provider by MediFind in the treatment of Jaundice. 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 Advanced provider by MediFind in the treatment of Jaundice. His top areas of expertise are Diverticular Disease, Familial Adenomatous Polyposis, Viral Gastroenteritis, Colonoscopy, and Endoscopy.

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

Vikesh Singh is a gastroenterologist who specializes in pancreatology and pancreaticobiliary endoscopy. He evaluates and treats patients with inflammatory diseases of the pancreas, including acute and chronic pancreatitis and autoimmune pancreatitis as well as the complications of these diseases. After earning his medical degree from the Johns Hopkins University School of Medicine, Dr. Singh remained at Johns Hopkins to complete residency training in internal medicine. He pursued fellowship training in gastroenterology at Brigham and Women’s Hospital, and earned a master’s degree in epidemiology from the Harvard T. H. Chan School of Public Health. He then returned to Johns Hopkins, where he completed a two-year advanced endoscopy fellowship with a focus on pancreaticobiliary endoscopy. Dr. Singh has been on the faculty at Johns Hopkins since 2008, and rose to the rank of professor in 2021. His research interests include acute and chronic pancreatitis, autoimmune pancreatitis, exocrine pancreatic insufficiency, and novel methods to evaluate and treat abdominal pain. Dr. Singh is a member of the board of directors of the National Pancreas Foundation, chair of the Pancreatic Disorders Section of the American Gastroenterological Association, a councilor for the International Association of Pancreatology and a member of the inaugural medical advisory board for the Familial Chylomicronemia Syndrome Foundation. Dr. Singh is rated as a Distinguished provider by MediFind in the treatment of Jaundice. His top areas of expertise are Exocrine Pancreatic Insufficiency, Hereditary Pancreatitis, Acute Pancreatitis, Pancreatectomy, and Endoscopy.

Edward Ahn is an Interventional Radiologist in Baltimore, Maryland. Dr. Ahn is rated as an Experienced provider by MediFind in the treatment of Jaundice. His top areas of expertise are Ascites, Pleurisy, Pleural Effusion, Bone Marrow Aspiration, and Liver Embolization.

David Porter is a Radiologist in Baltimore, Maryland. Dr. Porter is rated as an Experienced provider by MediFind in the treatment of Jaundice. His top areas of expertise are Melorheostosis, Melorheostosis with Osteopoikilosis, Osteopenia, and Pleurisy.

Troy Brijbasi is a Radiologist in Windsor Mill, Maryland. Dr. Brijbasi is rated as an Experienced provider by MediFind in the treatment of Jaundice. His top areas of expertise are Ascites, Pleurisy, Lung Nodules, Bone Marrow Aspiration, and Gastrostomy.

Kevin Jarrell is a Radiologist in Windsor Mill, Maryland. Dr. Jarrell is rated as an Experienced provider by MediFind in the treatment of Jaundice. His top areas of expertise are Ascites, WT1-Related Wilms Tumor Syndromes, Pleurisy, Vertebroplasty, and Bone Graft.

Brian Monroe is a Radiologist in Windsor Mill, Maryland. Dr. Monroe is rated as an Experienced provider by MediFind in the treatment of Jaundice. His top areas of expertise are Lymphofollicular Hyperplasia, Thyroid Nodule, Lung Cancer, Bone Marrow Aspiration, and Gastrostomy.

David Taylor is a Radiologist in Windsor Mill, Maryland. Dr. Taylor is rated as an Experienced provider by MediFind in the treatment of Jaundice. His top areas of expertise are Ascites, Thyroid Nodule, Pleurisy, Liver Embolization, and Bone Marrow Aspiration.

Margaret Lynch is a Radiologist in Windsor Mill, Maryland. Dr. Lynch is rated as an Experienced provider by MediFind in the treatment of Jaundice. Her top areas of expertise are Ascites, Thyroid Nodule, Pleurisy, Bone Marrow Aspiration, and Gastrostomy.

Zuzana Chamrova is a Radiologist in Windsor Mill, Maryland. Dr. Chamrova is rated as an Experienced provider by MediFind in the treatment of Jaundice. Her top areas of expertise are Ascites, Endometrial Cancer, Pleurisy, Bone Marrow Aspiration, and Vertebroplasty.

Stephen Pomerantz is a Radiologist in Windsor Mill, Maryland. Dr. Pomerantz is rated as an Experienced provider by MediFind in the treatment of Jaundice. His top areas of expertise are Non-Alcoholic Fatty Liver Disease, Melorheostosis with Osteopoikilosis, Melorheostosis, and Osteopenia.

Loralie Ma is a Radiologist in Windsor Mill, Maryland. Dr. Ma is rated as an Experienced provider by MediFind in the treatment of Jaundice. Her top areas of expertise are Synovial Osteochondromatosis, Herniated Disk, Nasal Flaring, and Plantar Fasciitis.

Zina Novak is a Radiologist in Windsor Mill, Maryland. Dr. Novak is rated as an Experienced provider by MediFind in the treatment of Jaundice. Her top areas of expertise are Ascites, Small Cell Lung Cancer (SCLC), Lung Cancer, Vertebroplasty, and Bone Graft.