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.

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.

April Tignor is a Gastroenterologist in Glen Burnie, Maryland. Dr. Tignor is rated as an Experienced provider by MediFind in the treatment of Bile Duct Obstruction. Her top areas of expertise are Hemorrhoids, Indigestion, Gastritis, 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 Bile Duct Obstruction. 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 Obstruction. Her top areas of expertise are Cholestasis, Bile Duct Obstruction, Jaundice, Gastrostomy, and Liver Embolization.

Mukul Khandelwal is a Gastroenterologist in Elkridge, Maryland. Dr. Khandelwal is rated as an Experienced provider by MediFind in the treatment of Bile Duct Obstruction. His top areas of expertise are Gastrointestinal Bleeding, Familial Adenomatous Polyposis, Angiodysplasia of the Colon, Endoscopy, and Gastrectomy.

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

Dr. Gurakar joined Johns Hopkins from the Nazih Zuhdi Transplantation Institute at the Integris Baptist Medical Center in Oklahoma City, where he was the chief of Hepatology Research and the program director of the Liver Transplantation Medicine/ Hepatology Fellowship. He served at various capacities in the Liver Medicine Section, since its first establishment in 1993. Dr. Gurakar's clinical interests include pre and post-transplant, clinical and endoscopic management of liver diseases and viral hepatitis. His research interests include bioartificial liver dialysis systems and application of total plasma exchange in the treatment of liver disorders. Dr. Gurakar is rated as an Experienced provider by MediFind in the treatment of Bile Duct Obstruction. His top areas of expertise are Hepatitis, Liver Failure, Alcoholic Cirrhosis, Liver Transplant, and Kidney Transplant.

Dr. Grafe (Gray) Lyons is a specialist in vascular and interventional radiology. His clinical focus is in the diagnosis and treatment of arterial and venous vascular disease and minimally-invasive, image-guided procedures. Dr. Lyons earned a B.S. from Davidson College and M.D. and Ph.D. degrees from Duke University in North Carolina. He completed internship in general surgery and residency in radiology at NewYork-Presbyterian Hospital/Weill Cornell Medicine in New York. He then completed fellowship in vascular and interventional radiology at the Miami Cardiac and Vascular Institute in Florida. Dr. Lyons joined the faculty at Johns Hopkins Medicine in 2019 as an Assistant Professor of Radiology and Radiological Science in the Division of Vascular and Interventional radiology. Dr. Lyons is rated as an Experienced provider by MediFind in the treatment of Bile Duct Obstruction. His top areas of expertise are Undifferentiated Pleomorphic Sarcoma, Mesenchymoma, Bile Duct Stricture, Gastrostomy, and Liver Embolization.

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 Bile Duct Obstruction. His top areas of expertise are Hereditary Pancreatitis, Acute Pancreatitis, Chronic Pancreatitis, Endoscopy, and Lithotripsy.

Dr. Wikrom Karnsakul is an associate professor of pediatrics at the Johns Hopkins University School of Medicine. His clinical interests are in the care of pediatric liver diseases, and general gastrointestinal diseases. Dr. Karnsakul received his medical degree in 1992 from Faculty of Medicine, Siriraj Medical Center, Mahidol University School of Medicine in Bangkok, Thailand. He completed his residency in pediatrics at Advocate Hope Children's Hospital in 1998 and did a fellowship in pediatric gastroenterology, hepatology and nutrition at Texas Children's Hospital, Baylor College of Medicine in Houston, Texas. He completed his postdoctoral research training at USDA/ARS Children's Nutrition Research Center, Baylor College of Medicine. He joined the faculty at Johns Hopkins in 2008. His research interests center on the understanding and treatment of chronic liver disease, ascites, cholestasis, viral hepatitis especially hepatitis C and hepatitis E, and Cystic Fibrosis Related Liver Disease. Dr. Karnsakul is also involved in NIH-funded multicenter research studies including the Cholestatic Liver Disease Consortium and Cystic Fibrosis Related Liver Disease Project. Dr. Karnsakul is currently a Fellow of the American Association for the Study of Liver Diseases (FAASLD). Dr. Karnsakul is rated as an Experienced provider by MediFind in the treatment of Bile Duct Obstruction. His top areas of expertise are Alagille Syndrome, Cholestasis, Hepatitis E, Liver Transplant, and Endoscopy.

Dr. Atif Zaheer is a Professor of Radiology and Radiological science at Johns Hopkins University School of Medicine, as well as the director of the Cross-Sectional Body Imaging Fellowship program. Dr. Zaheer practices at the Johns Hopkins Hospital in Baltimore, MD. Dr. Zaheer earned his medical degree from the Aga Khan University. He completed a residency in diagnostic radiology at Beth Israel Deaconess Medical Center/Harvard Medical School, followed by a fellowship in abdominal imaging and interventional radiology at Brigham and Women’s Hospital/Harvard Medical School. Dr. Zaheer is also the medical director of the e-Radiology learning program at Johns Hopkins, which provides radiology residents and practicing radiologists around the world with a lecture series designed to address core knowledge of normal anatomy, pathology and background physics required for successful practice of the field. Dr. Zaheer is clinically active in cross-sectional imaging of the body using CT, MRI and Ultrasound and is also involved in multidisciplinary conferences for pancreas, liver and rectal cancer imaging. His research interests include imaging of tumors and inflammatory disorders of the pancreas and is considered a leader in pancreatic imaging. He is the associate editor of the journal Abdominal Radiology and actively participates in clinical trials, publishes scientific articles, authors books on pancreatic and gastrointestinal imaging, and gives talks at national and international conferences. Dr. Zaheer is rated as an Experienced provider by MediFind in the treatment of Bile Duct Obstruction. His top areas of expertise are Muscle Invasive Bladder Cancer, Pancreatic Ductal Adenocarcinoma, Pancreas Divisum, Pancreaticoduodenectomy, and Pancreatectomy.

Dr. Elliot K. Fishman is a Professor in the Johns Hopkins Medicine Department Radiology and Radiological Science, Department of Oncology and Department of Surgery. He serves as a member of the Johns Hopkins Kimmel Cancer Center. His clinical and research interests focus on medical imaging with specific emphasis on three-dimensional (3D) imaging and computed tomography (CT). Dr. Fishman received his B.S. in 1973 and M.D. in 1977 from the University of Maryland. After a residency at Sinai Hospital in Baltimore, he completed a fellowship in CT at Johns Hopkins in 1980 and joined the Johns Hopkins faculty in 1981 as an Assistant Professor. In 1986, he became Associate Professor and, in 1991, Professor of Radiology and Oncology. He is a leader in the development of 3D imaging and rendering, including its impacts on and uses in patient care and management. He was involved from the beginning in the development of 3D imaging through his work with Pixar, which was a spin-off from LucasFilms in San Rafael, California. Over the last 25 years, Dr. Fishman continued to help develop 3D imaging and has been a leader in the development of interactive 3D rendering. His team is consistently at the forefront of research and development of new visualization and post-processing techniques and technologies. Dr. Fishman's extensive body of work in CT has resulted in over 1,000 peer-reviewed publications, and he is the author or co-author of 10 textbooks. He is the recipient of three prestigious Aunt Minnie Awards, honoring his outstanding contributions as both an educator and researcher. In 2007, he was named by Medical Imaging Magazine as the Top Radiologist in the Nation. He is a member of editorial boards for more than 35 journals, an active member of several professional radiology associations and is a past-president of the Society of Body CT/MR. Dr. Fishman is rated as an Experienced provider by MediFind in the treatment of Bile Duct Obstruction. His top areas of expertise are Neuroendocrine Tumor, Pancreatic Ductal Adenocarcinoma, Cavernous Lymphangioma, Pancreaticoduodenectomy, and Pancreatectomy.

Dr. Nimgaonkar is gastroenterologist and a medical technology researcher at Johns Hopkins University. He is an assistant professor of medicine, a medical director at the Center for Bioengineering Innovation and Design in the JHU Biomedical Engineering department and an adjunct faculty at the JHU Carey Business School. He leads numerous translational technology research projects at Johns Hopkins in the areas of gastrointestinal and metabolic diseases. His particular interest is to investigate the physiology behind various interventions to treat metabolic diseases such as diabetes and obesity and apply various engineering tools to develop novel therapies for these diseases. He has been inventor on many technologies and a recipient of numerous awards including the AGA-Boston Scientific career development technology & innovation award and the CIMIT-Johnson & Johnson Young Clinician award. His work has been supported by grants from both foundational ​and federal (NIH, NSF) agencies. Recent News Articles and Media Coverage AGA - Boston Scientific Career Development Technology & Innovation Award, News Medical (December 5, 2014) Update on AGA - Boston Scientific Career Development Technology & Innovation Award, GI & Hepatology News (April 6, 2015) Pumped, Inside Tract (Winter 2016) Advanced POC Testing Devices Open New Avenues for Diagnostics, GEN Exclusives (November 22, 2016) A Multi-Biomarker Blood Test Clinically-Proven for Early Detection of Col0rectal Cancer PRWeb (May 2, 2017) Genetic Cancer Risk Test for 98 Geners, 24 Hereditary Cancers Bypassing Bypass Surgery, Inside Tract (Spring 2017) Despite Theranos, Real, Capital-Efficient Innovation Exists For Blood Tests, Life Science Leader (June 28, 2018) A Pill to Treat Diabetes, Scientific American (November 21, 2017) GI leader to know: Dr. Ashish Nimgaonkar of Johns Hopkins Medicine, Becker's Healthcare (August 31, 2018) Physician innovator working to bring new tech to patients, thanks to AGA funding, American Gastroenterological Association (April 9, 2019) AGA's featured researcher Dr. Ashish Nimgaonkar, Becker's Healthcare (April 17, 2019) Lab Website Ashish Nimgoankar Lab The Ashish Nimgoankar Lab is interested in translational technology development and image-guided therapies. Dr. Nimgaonkar is rated as an Experienced provider by MediFind in the treatment of Bile Duct Obstruction. His top areas of expertise are Obesity, Achalasia, Gastrointestinal Bleeding, Endoscopy, and Gastric Bypass.

Dr. Cheng Ting Lin is an associate professor of radiology and radiological science at the Johns Hopkins University School of Medicine. His expertise is in diagnostic radiology with particular focus on chest and cardiac imaging. Dr. Cheng Ting Lin received his undergraduate degree from Boston University. He graduated from State University of New York at Stony Brook, where he also completed a radiology residency training program. Dr. Lin completed fellowship training in cardiothoracic imaging at University of Maryland Medical Center. His research interest includes lung cancer screening and diagnosis, chronic obstructive pulmonary disease, Interstitial lung disease, pulmonary embolism, and coronary artery disease. Dr. Lin is rated as an Experienced provider by MediFind in the treatment of Bile Duct Obstruction. His top areas of expertise are Lung Nodules, Interstitial Lung Disease, Pulmonary Arteriovenous Fistula, Aortic Valve Replacement, and Transcatheter Aortic Valve Replacement (TAVR).