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 Bile Duct Obstruction. His top areas of expertise are Achalasia, Pancreatic Pseudocyst, Bile Duct Obstruction, Endoscopy, and Gastric Bypass.

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 Bile Duct Obstruction. 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 Bile Duct Obstruction. His top areas of expertise are Hepatitis, Gas Bloat Syndrome, Hepatitis C, Endoscopy, and Gastrectomy.

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 Bile Duct Obstruction. His top areas of expertise are Exocrine Pancreatic Insufficiency, Hereditary Pancreatitis, Acute Pancreatitis, Pancreatectomy, and Endoscopy.

Dr. Kelvin K. Hong is an Associate Professor and Executive Vice Chair of Radiology within the Johns Hopkins Department of Radiology. A specialist in interventional and vascular radiology, Dr. Hong serves as the Medical Director of the Johns Hopkins Interventional Radiology Center. Dr. Hong earned his medical degree from South Africa’s University Of Witwatersrand Medical School in Parktown. He completed a radiology residency at Parktown West’s College of Medicine/Radiology, as well as a cardiovascular/interventional radiology fellowship and diagnostic radiology residency at The Johns Hopkins Hospital. His areas of clinical expertise include bone, liver and soft-tissue tumors; chronic total occlusions; claudication; deep venous thrombosis; lung, esophageal and kidney cancer; peripheral arterial/vascular disease; renal artery/vascular disease; uterine fibroid tumors; varicocele; and vascular malformations and venous thromboembolism. Dr. Hong performs procedures that include radiofrequency ablation for lung, liver, kidney and bone lesions; transcatheter arterial chemoembolization for liver cancer; lower-extremity angioplasty and stenting; visceral angioplasty and stenting; embolization of uterine fibroid tumors; cryoablation for pain control; and percutaneous laser ablation of varicose veins. Dr. Hong served as editor for the book Percutaneous Tumor Ablation and contributed to Interventional Oncology: Principles and Practice. Dr. Hong is rated as a Distinguished provider by MediFind in the treatment of Bile Duct Obstruction. His top areas of expertise are Fibrolamellar Carcinoma, Bile Duct Obstruction, Neuroendocrine Tumor, Liver Embolization, and Pancreaticoduodenectomy.

Dr. Georgiades earned a series of degrees (BSc-Mechanical Engineering, MS & PhD-Radiological Sciences and an MD). He received a 1-year training in Internal Medicine at Harvard and subsequently, completed subspecialty training at Johns Hopkins in Diagnostic and Interventional Radiology. He has been a full time faculty at Johns Hopkins since 2003 (except for a 3 year hiatus 2012-2015 when he set up a private practice overseas). He has held various positions including fellowship director, clinical director and was a member of many Departmental and Institutional committees. He is a prolific researcher with more than 100 manuscripts, more than 100 abstracts, 28 book chapters and numerous presentations at national and international fora. Dr. Georgiades is rated as a Distinguished provider by MediFind in the treatment of Bile Duct Obstruction. His top areas of expertise are Fibrolamellar Carcinoma, Bile Duct Obstruction, Neuroendocrine Tumor, Liver Embolization, and Gastrostomy.

Dr. Robert Liddell is an Assistant Professor of Radiology and Surgery and Division Chief of Interventional Radiology at the Johns Hopkins School of Medicine. His specialty is interventional radiology, with an expertise in interventional oncology and vascular and interventional radiology. Dr. Liddell received his MBBCh at the Royal College of Surgeons in Ireland. He completed his residency at Johns Hopkins University School of Medicine in Diagnostic Radiology and his fellowship in Interventional Radiology. Videos Interventional Radiology. Dr. Liddell is rated as a Distinguished provider by MediFind in the treatment of Bile Duct Obstruction. His top areas of expertise are Bile Duct Obstruction, Ascites, Fibrolamellar Carcinoma, Liver Embolization, and Pancreaticoduodenectomy.

Dr. Elie Portnoy is an Assistant Professor of Radiology and Radiological Science in the Johns Hopkins Medicine Interventional Radiology Department and Diagnostic Imaging Department at Johns Hopkins Hospital. Dr. Portnoy received his undergraduate degree, Summa Cum Laude, in Biology from Yeshiva University. He earned his medical degree from NYU School of Medicine with Alpha Omega Alpha. Dr. Portnoy is rated as a Distinguished provider by MediFind in the treatment of Bile Duct Obstruction. His top areas of expertise are Bile Duct Stricture, Cholestasis, Bile Duct Obstruction, Liver Embolization, and Gastrostomy.

Dr. Clifford Weiss is a Professor of Radiology and Radiological Science. He also holds appointments in Surgery and Biomedical Engineering. Additionally, he serves as Medical Director of the Johns Hopkins Center for Bioengineering Innovation and Design (CBID), the Director of the Johns Hopkins HHT Center of Excellence as well as Director of the Johns Hopkins Vascular Anomalies Center. Dr. Weiss' clinical focus lies in vascular and interventional radiology with a particular focus on the diagnosis and treatment of vascular malformations. This includes venous and lymphatic malformations, arteriovenous malformations, pulmonary arteriovenous malformations and Hereditary Hemorrhagic Telangiectasia (HHT) and varicoceles. Dr. Weiss also is a pioneer in the use of MRI for interventional guidance (iMRI), especially for the treatment of vascular malformations. Dr. Weiss' research focuses primarily on the preclinical and clinical development of Bariatric Embolization, a new endovascular procedure designed to help fight obesity, and on the development of new embolic therapies and devices. Dr. Weiss is the Deputy Editor of Interventional Content for the journal Radiology. Dr. Weiss received his B.A. from Dartmouth College in 1995, his M.D. from the Johns Hopkins University School of Medicine in 2001. He completed an internship in internal medicine on the Osler Service in 2002, his residency in Diagnostic Radiology in 2007, and a Fellowship in Vascular and Interventional radiology in 2008, all at The Johns Hopkins Hospital. He is a Fellow both of the Society of Interventional Radiology (SIR) and of Cardiovascular and Interventional Radiological Society of Europe (CIRSE). Dr. Weiss is rated as a Distinguished provider by MediFind in the treatment of Bile Duct Obstruction. His top areas of expertise are Pulmonary Arteriovenous Malformation (PAVM), Pulmonary Arteriovenous Fistula, Arteriovenous Malformation, Liver Embolization, and Embolectomy.

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

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

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

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 Bile Duct Obstruction. His top areas of expertise are Gastric Dysmotility, Diverticular Disease, Diarrhea, Endoscopy, and Gastrectomy.

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

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

David Hutcheon is a Gastroenterologist in Lutherville, Maryland. Dr. Hutcheon is rated as an Advanced provider by MediFind in the treatment of Bile Duct Obstruction. His top areas of expertise are Gastrointestinal Bleeding, Intestinal Cancer, Angiodysplasia of the Colon, Colonoscopy, and Endoscopy.

Dr. Lemore Carmi is an Assistant Professor in the Johns Hopkins Medicine Department of Radiology and Radiological Sciences. She specializes in interventional radiology. Dr. Carmi received her M.D. from Drexel University in 2003, and performed a residency in diagnostic radiology at the Hahnemann University Hospital in 2008. She completed a fellowship in interventional radiology at The Johns Hopkins Hospital in 2009, and then joined the Johns Hopkins faculty. Dr. Carmi is rated as an Advanced provider by MediFind in the treatment of Bile Duct Obstruction. Her top areas of expertise are Cholestasis, Bile Duct Obstruction, Jaundice, Gastrostomy, and Liver Embolization.

John Rabine is a Gastroenterologist in Baltimore, Maryland. Dr. Rabine is rated as an Advanced provider by MediFind in the treatment of Bile Duct Obstruction. His top areas of expertise are Bile Duct Obstruction, Chronic Idiopathic Constipation (CIC), Familial Adenomatous Polyposis, Gastrectomy, and Gastrostomy.

Sudhir Dutta is a Gastroenterologist in Lutherville, Maryland. Dr. Dutta is rated as an Advanced provider by MediFind in the treatment of Bile Duct Obstruction. His top areas of expertise are Gastrointestinal Bleeding, Choledocholithiasis, Hiatal Hernia, Colonoscopy, and Gastrectomy.

Dr. Elham Afghani is an assistant professor of Medicine at the Johns Hopkins University School of Medicine. She joins us from Cedars Sinai Medical Center in Los Angeles. She received her medical degree from University of California, Irvine. She completed her internal medicine residency as well as an extra year as chief resident at the University of California, Irvine, Medical Center. She then completed her gastroenterology and hepatology fellowship with additional training in pancreatic diseases at the Johns Hopkins University School of Medicine. With a unique specialization in pancreatic disease, she has participated in numerous research projects at the Cedars Sinai division of pancreatico-biliary diseases and was involved in a U01 Consortium for the study of chronic pancreatitis, diabetes and pancreatic cancer. Dr. Afghani’s areas of expertise include acute and chronic pancreatitis, pancreatic cysts and pancreatic exocrine insufficiency. She is an accomplished researcher with multiple publications in prestigious peer-reviewed journals as well as presentations at national meetings. Dr. Afghani is rated as an Experienced provider by MediFind in the treatment of Bile Duct Obstruction. Her top areas of expertise are Hereditary Pancreatitis, Acute Pancreatitis, Chronic Pancreatitis, Endoscopy, and Lithotripsy.