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 highly rated in 27 conditions, according to our data. His top areas of expertise are Exocrine Pancreatic Insufficiency, Hereditary Pancreatitis, Acute Pancreatitis, Pancreatectomy, and Endoscopy.

Dr. Lazarev joined Johns Hopkins from the Mount Sinai Medical Center in New York, where he completed the Present-Levison advanced inflammatory bowel disease fellowship. A specialist in the diagnosis and management of Crohn's disease and ulcerative colitis, Dr. Lazarev has published numerous peer-reviewed articles, abstracts and chapters. Dr. Lazarev is highly rated in 9 conditions, according to our data. His top areas of expertise are Crohn's Disease, Viral Gastroenteritis, Ulcerative Colitis, Colonoscopy, and Endoscopy.

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 highly rated in 9 conditions, according to our data. Her top areas of expertise are Hereditary Pancreatitis, Acute Pancreatitis, Chronic Pancreatitis, Endoscopy, and Lithotripsy.

Dr. Michael G. Goggins is a professor of pathology, medicine and oncology at the Johns Hopkins University School of Medicine. He serves as director of the Pancreatic Cancer Early Detection Laboratory and is an attending physician in medicine in the Division of Gastroenterology and Hepatology at The Johns Hopkins Hospital. He is the Sol Goldman Professor of Pancreatic Cancer Research. Dr. Goggins’ research interests include developing tests to improve the early detection in pancreas cancer, evaluating outcomes of pancreatic surveillance and identifying gene variants responsible for inherited susceptibility to pancreatic cancer. He obtained his medical degree in 1988 from Trinity College of the University of Dublin, Ireland. He completed a residency in internal medicine and a fellowship in Gastroenterology at St. James' Hospital in Dublin. He obtained his Membership of the Royal College of Physicians of Ireland in 1991 and his European Diploma in Gastroenterology in 1995. He joined the Johns Hopkins faculty in 1999. Dr. Goggins is a member of the Royal College of Physicians of Ireland. He sits on the editorial boards of Gut. Dr. Goggins is highly rated in 6 conditions, according to our data. His top areas of expertise are Familial Pancreatic Cancer, Pancreatic Cancer, Pancreatic Ductal Adenocarcinoma, Pancreatectomy, and Pancreaticoduodenectomy.

Paul Thuluvath is a Gastroenterologist in Lutherville, Maryland. Dr. Thuluvath is highly rated in 32 conditions, according to our data. His top areas of expertise are Liver Failure, Hepatitis, Hepatitis C, Liver Transplant, and Endoscopy.

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 highly rated in 52 conditions, according to our data. His top areas of expertise are Achalasia, Pancreatic Pseudocyst, Bile Duct Obstruction, Endoscopy, and Gastric Bypass.

David Hutcheon is a Gastroenterologist in Lutherville, Maryland. Dr. Hutcheon is highly rated in 25 conditions, according to our data. His top areas of expertise are Gastrointestinal Bleeding, Intestinal Cancer, Angiodysplasia of the Colon, Colonoscopy, and Endoscopy.

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 highly rated in 14 conditions, according to our data. His top areas of expertise are Hereditary Pancreatitis, Acute Pancreatitis, Achalasia, Endoscopy, and Gastrectomy.

Raymond Cross is a Gastroenterologist in Baltimore, Maryland. Dr. Cross is highly rated in 10 conditions, according to our data. His top areas of expertise are Crohn's Disease, Ulcerative Colitis, Viral Gastroenteritis, Endoscopy, and Colonoscopy.

Dr. Hamilton is an Associate Professor of Medicine in the Division of Gastroenterology and Hepatology. He is the Interim Director, Division of Gastroenterology and Hepatology and the Director of Hepatology for Johns Hopkins Medicine. His clinical specialties include Wilson Disease, Cystic Fibrosis related liver disease, liver transplantation, hepatocellular carcinoma, cirrhosis, portal hypertension, acute and chronic viral, non-alcoholic fatty liver disease (NASH), autoimmune, and cholestatic liver disease. His research interests include the copper homeostasis and its regulation of lipid metabolism and liver injury, the fundamental mechanisms regulating liver fibrosis, and the molecular genetics of hepatocellular carcinoma and early detection biomarkers. Dr. Hamilton is a 2005 recipient of the National Institutes of Health/ National Research Scholar Award for gastroenterology and hepatology. Dr. Hamilton is highly rated in 6 conditions, according to our data. His top areas of expertise are Hepatitis, Esophageal Varices, Autoimmune Hepatitis, Endoscopy, and Carotid Artery Surgery.

Dr. Melia specializes in inflammatory bowel disease (IBD), and her clinical expertise includes ulcerative colitis, Crohn’s disease, microscopic colitis, collageneous colitis and Celiac disease. Her primary research interest is improving approaches for individualized care for patients with IBD through functional genomic studies, particularly related to diet, host, and microbiota interactions. She has authored numerous peer-reviewed publications. Dr. Melia is highly rated in 5 conditions, according to our data. Her top areas of expertise are Viral Gastroenteritis, Crohn's Disease, Colitis, Endoscopy, and Colonoscopy.

Dr. Stephen J. Meltzer is a Professor of Medicine and Oncology at Johns Hopkins University, Division of Gastroenterology. He is the Director of GI Early Detection Biomarkers Laboratory and a member of the Johns Hopkins Kimmel Cancer Center. His research interests are Gastrointestinal cancer and precancer biomarker discover, development and validation; genomics, epigenomics and bioinformatics, early detection of cancer, outcomes research in cancer and precancer, risk stratification prediction in cancer and precancer, Barrett's esophagus, inflammatory bowel disease-associated cancer, liver cancer and gastric cancer. After receiving degree in Medicine at the State University of New York Medical School, Dr. Meltzer interned at Tulane University in New Orleans and University of Texas Medical Branch in Galveston, TX. He completed his fellowship training program in the University of Colorado and the Lenox Hill Hospital. He was an Assistant Professor in UCLA, Center for Health Science in 1987. Prior to joining the faculty at Johns Hopkins in 2006, he was Professor of Medicine and Pharmacology, Founder and Head of Aero digestive Cancer/Biomarker Program in School of Medicine, University of Maryland at Baltimore. He is an Associate Editor of Cancer Research and a member of the editorial board of Esophageal. He has published 152 original scientific papers in high-impact scientific journals. He also has 43 chapters, review articles, editorials, or letters to the editor; 1 book; and 139 abstracts to his name. He has given a plethora of invited lectures around the world, all involving his principal field of esophageal and gastrointestinal cancer research. He has been the recipient of numerous prestigious national and international awards, including the Robert and Sally D. Funderburg Award in Gastric Cancer Biology and membership in the American Society for Clinical Investigation. Special Interests: Gastrointestinal cancer and precancer biomarker discover, development and validation; genomics, epigenomics and bioinformatics, early detection of cancer, outcomes research in cancer and precancer, risk stratification prediction in cancer and precancer. Barrett's esophagus, inflammatory bowel disease-associated cancer, liver cancer, gastric cancer. Dr. Meltzer is highly rated in 4 conditions, according to our data. His top areas of expertise are Barrett Esophagus, Esophageal Cancer, Stomach Cancer, Colorectal Cancer, and Endoscopy.

Anita Sivaraman is a Gastroenterologist in Baltimore, Maryland. Her top areas of expertise are Gastrointestinal Bleeding, Colitis, Viral Gastroenteritis, Colonoscopy, and Endoscopy. Dr. Sivaraman is currently accepting new patients.

Niraj Jani is a Gastroenterologist in Baltimore, Maryland. Dr. Jani is highly rated in 45 conditions, according to our data. His top areas of expertise are Acute Pancreatitis, Gastroesophageal Reflux Disease (GERD), Choledocholithiasis, Endoscopy, and Colonoscopy.

Jamie Walters is a Gastroenterologist in Towson, Maryland. Dr. Walters is highly rated in 41 conditions, according to our data. Her top areas of expertise are Irritable Bowel Syndrome (IBS), Gastroesophageal Reflux Disease (GERD), Chronic Erosive Gastritis, Gastrectomy, and Endoscopy.

Sudhir Dutta is a Gastroenterologist in Lutherville, Maryland. Dr. Dutta is highly rated in 21 conditions, according to our data. His top areas of expertise are Gastrointestinal Bleeding, Choledocholithiasis, Hiatal Hernia, Colonoscopy, and Gastrectomy.

Joseph Lin is a Gastroenterologist in Rosedale, Maryland. Dr. Lin is highly rated in 19 conditions, according to our data. His top areas of expertise are Attenuated Familial Adenomatous Polyposis, Juvenile Polyposis Syndrome, Cronkhite-Canada Disease, and Lactose Intolerance.

Saleh Alqahtani is a Gastroenterologist in Baltimore, Maryland. Dr. Alqahtani is highly rated in 12 conditions, according to our data. His top areas of expertise are Non-Alcoholic Fatty Liver Disease, Obesity, Hepatitis, Liver Transplant, and Hepato-Pancreato-Biliary Surgery. Dr. Alqahtani is currently accepting new patients.

Bruce Greenwald is a Gastroenterologist in Baltimore, Maryland. Dr. Greenwald is highly rated in 11 conditions, according to our data. His top areas of expertise are Barrett Esophagus, Esophageal Cancer, Benign Esophageal Stricture, Endoscopy, and Colonoscopy.

Francis Giardiello is a Gastroenterologist in Baltimore, Maryland. Dr. Giardiello is highly rated in 10 conditions, according to our data. His top areas of expertise are Familial Adenomatous Polyposis, Juvenile Polyposis Syndrome, Attenuated Familial Adenomatous Polyposis, Colonoscopy, and Endoscopy.

Geoffrey Nguyen is a Gastroenterologist in Baltimore, Maryland. Dr. Nguyen is highly rated in 9 conditions, according to our data. His top areas of expertise are Viral Gastroenteritis, Ulcerative Colitis, Hemorrhagic Proctocolitis, Endoscopy, and Colonoscopy.

Mark Donowitz is a Gastroenterologist in Baltimore, Maryland. Dr. Donowitz is highly rated in 7 conditions, according to our data. His top areas of expertise are Diarrhea, Crohn's Disease, Short Bowel Syndrome, and Small Bowel Bacterial Overgrowth. Dr. Donowitz is currently accepting new patients.

Mark Noar is a Gastroenterologist in Towson, Maryland. Dr. Noar is highly rated in 4 conditions, according to our data. His top areas of expertise are Heartburn, Gastroesophageal Reflux Disease (GERD), Esophagitis, Angiodysplasia of the Colon, and Endoscopy.

Jean-pierre Raufman is a Gastroenterologist in Baltimore, Maryland. Dr. Raufman is highly rated in 4 conditions, according to our data. His top areas of expertise are Bile Acid Malabsorption, Colorectal Cancer, Diarrhea, Liver Transplant, and Colonoscopy.

Kimberly Gudzune is a Gastroenterologist in Baltimore, Maryland. Dr. Gudzune is highly rated in 1 condition, according to our data. Her top area of expertise is Obesity. Dr. Gudzune is currently accepting new patients.