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

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

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 Stricture. His top areas of expertise are Bile Duct Stricture, Cholestasis, Bile Duct Obstruction, Liver Embolization, and Gastrostomy.

Dr. Benjamin Philosophe is the surgical director of the Johns Hopkins Comprehensive Transplant Center. He also serves as the lead transplant surgeon at Sibley Memorial Hospital’s Hepatology Multidisciplinary Center. Dr. Philosophe was the first physician to perform robotic total right and total left hepatic resections in the state of Maryland. He has expanded the application of minimally invasive surgical approaches to other hepatobiliary diseases and has improved outcomes and reduced effects of surgery on these patients. Dr. Philosophe practices out of The Johns Hopkins Hospital in Baltimore, Md., as well as Johns Hopkins Community Physician locations in Bethesda, Md. and Lutherville, Md. He is also affiliated with Suburban Hospital and Johns Hopkins Howard County Medical Center. Dr. Philosophe has a wide range of expertise, including cirrhosis; hepatic surgery, hepatitis, hepatobiliary conditions and surgeries; biliary tract surgery and hepatopancreatobiliary surgery; laparoscopic surgeries; vascular surgery; and robotic surgeries. He also has an expertise in various kinds of transplant surgeries, such as kidney, live donor liver, liver and pancreas, as well as various kinds of cancer, such as bile duct, gallbladder, hepatocellular, liver and pancreatic. Dr. Philosophe earned his medical degree from Boston University School of Medicine. He completed a residency in general surgery at Barnes-Jewish Hospital, followed by a liver transplantation fellowship at the University of Toronto. Dr. Philosophe also completed a transplant surgery fellowship at the University of Maryland, where he went on to work as a professor of surgery and the head of liver transplantation and hepatobiliary surgery. Dr. Philosophe is a member of the American Board of Surgery, the Clinical Robotic Surgery Association, the American Society of Transplant Surgeons, the Transplantation Society and the International Liver Transplantation Society. He has earned a Super Doctors Award in general surgery from the Washington Post Magazine, as well as a Top Doctor Award for hepatobiliary surgery and transplant specialists from Baltimore Magazine. Dr. Philosophe has also been repeatedly named one of America’s Top Doctors and one of America’s Top Doctors for Cancer by Castle Connolly. Dr. Philosophe has contributed to numerous publications and presentations. His research interests include uncovering the mechanisms that contribute to transplant rejection and determining characteristics that can be used to better predict donor organ function. He has completed pioneering work in developing a scoring system called the Maryland Aggregate Pathology Index (MAPI), which is used by transplant surgeons worldwide to assess the likelihood of a deceased donor’s kidney function after transplantation. MAPI has increased the utilization of donor kidneys and saved many lives. Dr. Philosophe is rated as an Advanced provider by MediFind in the treatment of Bile Duct Stricture. His top areas of expertise are Hepatitis, End-Stage Renal Disease (ESRD), Cholestasis, Liver Transplant, and Kidney Transplant.

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 Bile Duct Stricture. Her top areas of expertise are Pancreatic Cancer, Familial Pancreatic Cancer, Bile Duct Stricture, Endoscopy, and Pancreaticoduodenectomy.

Naveen Gupta is a Gastroenterologist in Bethesda, Maryland. Dr. Gupta is rated as an Advanced provider by MediFind in the treatment of Bile Duct Stricture. His top areas of expertise are Gastrointestinal Bleeding, Gallstones, Choledocholithiasis, Endoscopy, and Gastrectomy.

Dr. Brian Holly is an assistant professor of radiology and radiological science. Dr. Holly's clinical focus lies in venous thromboembolic disease. He specializes in the diagnosis and treatment of deep venous thrombosis, pulmonary embolism, post thrombotic syndrome; advanced venous interventions including prostatic artery embolization (PAE); IVC filter removal; treatment of vascular malformations; treatment of uterine fibroids and advanced biliary interventions. Dr. Holly received his M.D. from the University of Maryland School of Medicine in 2007. He completed an internship in internal medicine at Mercy Medical Center in 2008. He completed residency in radiology in 2012 at the University of Maryland Medical Center. This was followed by a fellowship in vascular and interventional radiology in 2013 at The Johns Hopkins Hospital. He is a member of the Society of Interventional Radiology. Recent News Articles and Media Coverage Minimally Invasive Treatment for Uterine Fibroids Webinar Uterine fibroids are non-cancerous growths that develop from the muscle tissue of the uterus. Interventional radiologist, Brian Holly, M.D., and gynecologist, Khara Simpson, M.D., hosted this interactive webinar to discuss a non-surgical alternative for uterine fibroids called uterine fibroid embolization. Dr. Holly is rated as an Advanced provider by MediFind in the treatment of Bile Duct Stricture. His top areas of expertise are Deep Vein Thrombosis, Enlarged Prostate (BPH), Cholangiocarcinoma (Bile Duct Cancer), Gastrostomy, and Liver Embolization.

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

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 an Advanced provider by MediFind in the treatment of Bile Duct Stricture. His top areas of expertise are Fibrolamellar Carcinoma, Bile Duct Obstruction, Neuroendocrine Tumor, Liver Embolization, and Pancreaticoduodenectomy.

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 an Advanced provider by MediFind in the treatment of Bile Duct Stricture. His top areas of expertise are Bile Duct Obstruction, Ascites, Fibrolamellar Carcinoma, 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 an Advanced provider by MediFind in the treatment of Bile Duct Stricture. His top areas of expertise are Fibrolamellar Carcinoma, Bile Duct Obstruction, Neuroendocrine Tumor, Liver Embolization, and Gastrostomy.

Dr. Abhishek Srinivas received his medical degree from the Johns Hopkins School of Medicine in 2006. He completed his diagnostic radiology residency at the Montefiore Medical Center of the Albert Einstein College of Medicine in New York in 2011. This was followed by a fellowship in Vascular and Interventional Radiology at the Johns Hopkins University School of Medicine in 2012. Prior to joining Johns Hopkins as faculty, Dr. Srinivas established an interventional oncology practice serving much of central New Jersey, and a local hub for patients affiliated with Hahnemann University Hospital’s liver transplant program in Philadelphia. During this time, Dr. Srinivas was also part of the neuroradiology team for the hospital’s stroke center. His primary areas of expertise include interventional oncology (liver, kidney and bone cancers), vascular disease (deep vein thrombosis, pulmonary embolism, aneurysm treatment), uterine fibroid embolization, spine interventions, and advanced biliary interventions. Other interests include novel device evaluation and development. Videos Abhishek Srinivas, M.D. Selected Publications Chang SW, Srinivas A, Murphy KP. Chapter 5: Endovascular Management of a Patient After SAH. Bhardwaj A, Alkayed NJ, Kirsch JR, et al. Acute Stroke: Bench to Bedside. Chapter 5, 53 – 61. New York: Marcel Dekker. Copyright 2007, informa Healthcare USA inc. Farinhas, J, Srinivas A, Gulko E, Bello J. Chapter 4: Imaging of the Spine and Spinal Cord. Kirshblum S, Campagnolo D, DeLisa JA, Spinal Cord Medicine 2nd Edition. Lippincott, Williams, & Wilkins (Copyright 2011) Gailloud P, Srinivas A, Chang SW, Murphy KP. Morgan RH. Percutaneous Vertebroplasty in a Sitting Patient. Journal of Vascular and Interventional Radiology. 2005 Nov; 16(11):1558-9 Mahadevia AA, Weiland D, Kvamme P, Murphy KP, Srinivas A, Wyse G. Polymethylmethacrylate contact dermatitis after vertebroplasty. Journal of Vascular and Interventional Radiology 2007 Apr;18(4):585 Srinivas A, Chang SW, Gailloud P. Chapter 33: Diagnosis and Treatment of Cerebral Arteriovenous Malformations. Bhardwaj A, Alkayed NJ, Kirsch JR, et al. Acute Stroke: Bench to Bedside. Chapter 33, 397 – 404. New York: Marcel Dekker. Copyright 2007, informa Healthcare USA inc. Dr. Srinivas is rated as an Advanced provider by MediFind in the treatment of Bile Duct Stricture. His top areas of expertise are Bile Duct Obstruction, Ascites, Jaundice, Liver Embolization, and Bone Graft.

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 Bile Duct Stricture. Her top areas of expertise are Achalasia, Pancreatic Pseudocyst, Stomach Cancer, Endoscopy, and Gastric Bypass.

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 Stricture. Her top areas of expertise are Cholestasis, Bile Duct Obstruction, Jaundice, Gastrostomy, and Liver Embolization.

Christopher Bailey is a Radiologist and an Interventional Radiologist in Baltimore, Maryland. Dr. Bailey is rated as an Advanced provider by MediFind in the treatment of Bile Duct Stricture. His top areas of expertise are Pulmonary Arteriovenous Malformation (PAVM), Pulmonary Arteriovenous Fistula, Arteriovenous Malformation, Gastrostomy, and Vertebroplasty. Dr. Bailey is currently accepting new patients.

Debashish Bose is a Surgical Oncologist and a General Surgeon in Baltimore, Maryland. Dr. Bose is rated as an Experienced provider by MediFind in the treatment of Bile Duct Stricture. His top areas of expertise are Pancreatic Pseudocyst, Pancreatic Cancer, Familial Pancreatic Cancer, Pancreatectomy, and Small Bowel Resection. Dr. Bose is currently accepting new patients.

Daniel Daniels is a Gastroenterologist in Salisbury, Maryland. Dr. Daniels is rated as a Distinguished provider by MediFind in the treatment of Bile Duct Stricture. His top areas of expertise are Bile Duct Obstruction, Cholestasis, Bile Duct Stricture, Endoscopy, and Gastrostomy.

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

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