Natarajan Ravendhran is a hepatologist specializing in the diagnosis, treatment and management of liver diseases. He received his medical degree from Stanley Medical College, University of Madras in India, completed his residency in internal medicine at what is now Ascension Saint Agnes Hospital in Maryland and a residency in surgery at Railway Hospital in Madras, India. Dr. Ravendhran performed fellowship training in hepatology under the mentorship of Eugene and Leon Schiff at the University of Miami. Additionally, he received fellowship training in gastroenterology and liver disease at the University of Missouri. Dr. Ravendhran received a master’s degree in business administration in medical services management from The Johns Hopkins University. He is a fellow of the American Association for the Study of Liver Diseases and the American Gastroenterological Association, and is a member of the European Association for the Study of the Liver. Dr. Ravendhran is interested in exploring cholestatic disorders. He has participated in many clinical trials that focus on hepatitis B and C, in addition to metabolic dysfunction-associated steatotic liver disease trials. He enjoys teaching, rounding with fellows and seeing patients, and his motto is “Patients come first!”. Dr. Ravendhran is rated as a Distinguished provider by MediFind in the treatment of Portal Hypertension. His top areas of expertise are Non-Alcoholic Fatty Liver Disease, Hepatitis, Visceromegaly, Enlarged Liver, and Endoscopy.

Anita Sivaraman is a Gastroenterologist in Baltimore, Maryland. Dr. Sivaraman is rated as an Experienced provider by MediFind in the treatment of Portal Hypertension. Her top areas of expertise are Gastrointestinal Bleeding, Colitis, Viral Gastroenteritis, Colonoscopy, and Endoscopy. Dr. Sivaraman is currently accepting new patients.

Paul Thuluvath is a Gastroenterologist in Lutherville, Maryland. Dr. Thuluvath is rated as a Distinguished provider by MediFind in the treatment of Portal Hypertension. His top areas of expertise are Liver Failure, Hepatitis, Hepatitis C, Liver Transplant, and Endoscopy.

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 rated as an Experienced provider by MediFind in the treatment of Portal Hypertension. His top areas of expertise are Hepatocerebral Degeneration, Hepatitis, Wilson Disease, Liver Transplant, and Endoscopy.

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

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 an Experienced provider by MediFind in the treatment of Portal Hypertension. His top areas of expertise are Exocrine Pancreatic Insufficiency, Hereditary Pancreatitis, Acute Pancreatitis, Pancreatectomy, and Endoscopy.

Dr. Veloso joins Johns Hopkins from University Hospitals Case Medical Center, where she was the director of outpatient clinics at the University Hospitals Digestive Health Institute, Westlake. She has special interests in Celiac disease, Colon Cancer, Microscopic Colitis and Inflammatory Bowel Disease. Dr. Veloso received several commendations in her teaching role at the University Hospitals Case Medical Center, the primary affiliate of Case Western Reserve University, and was an active participant in the Filipino American community where she was a member of the board of trustees for the American Philippine Physicians of Ohio. Dr. Veloso is rated as an Experienced provider by MediFind in the treatment of Portal Hypertension. Her top areas of expertise are Gas Bloat Syndrome, Chronic Idiopathic Constipation (CIC), Diarrhea, Colonoscopy, and Endoscopy.

David Cromwell is a Gastroenterologist in Towson, Maryland. Dr. Cromwell is rated as an Experienced provider by MediFind in the treatment of Portal Hypertension. His top areas of expertise are Gastrointestinal Bleeding, Familial Adenomatous Polyposis, Swallowing Difficulty, Endoscopy, and Colonoscopy.

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 Portal Hypertension. His top areas of expertise are Jaundice, Macroamylasemia, Portal Hypertension, Endoscopy, and Colonoscopy.

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 Portal Hypertension. His top areas of expertise are Gastric Dysmotility, Diverticular Disease, Diarrhea, Endoscopy, and Gastrectomy.

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

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

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 Advanced provider by MediFind in the treatment of Portal Hypertension. His top areas of expertise are Alagille Syndrome, Cholestasis, Hepatitis E, Liver Transplant, and Endoscopy.

Jamie Walters is a Gastroenterologist in Towson, Maryland. Dr. Walters is rated as an Advanced provider by MediFind in the treatment of Portal Hypertension. Her top areas of expertise are Irritable Bowel Syndrome (IBS), Gastroesophageal Reflux Disease (GERD), Chronic Erosive Gastritis, Gastrectomy, and Endoscopy.

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

Ernest Tsao is a Gastroenterologist in Baltimore, Maryland. Dr. Tsao is rated as an Experienced provider by MediFind in the treatment of Portal Hypertension. His top areas of expertise are Hepatitis, Gas Bloat Syndrome, Hepatitis C, Endoscopy, and Gastrectomy.

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

Dr. Mullin is an associate professor of medicine at The Johns Hopkins University School of Medicine. Dr. Mullin has more than 30 years of clinical experience in the field of general gastroenterology. Dr. Mullin is a reviewer and also serves on the editorial board of numerous gastroenterology journals. Videos Hopkins at Home presents, A Woman's Journey: Is It Celiac Disease?. Dr. Mullin is rated as an Experienced provider by MediFind in the treatment of Portal Hypertension. His top areas of expertise are Small Bowel Bacterial Overgrowth, Diarrhea, Irritable Bowel Syndrome (IBS), Endoscopy, and Colonoscopy.

Dr. Richard Moore is recognized for mentorship of medical students, residents, fellows, and junior faculty in HIV/AIDS Research. Winner of the David M. Levine Mentorship Awards in the General Internal Medicine Department, he is an expert in pharmacoepidemiology, clinical epidemiology, and health services research. Now serving as the Director of the Moore Clinic for HIV Care, which began in 1984, he has influenced the careers of young scholars not only in General Internal Medicine, but also in the Infectious Disease Division. His colleagues and mentees praise him for his accessibility, his patience, his scientific candor, his instinct for compelling research, his insight, and his abilities as a teacher and editor. Dr. Moore has authored 129 original manuscripts, 24 chapters, reviews and letters. For his medical degree he attended Vanderbilt University School of Medicine where he also completed his Internship and Residency in the Department of Medicine. A fellowship, completed at Johns Hopkins University, Department of Medicine, Division of Internal Medicine, was followed by a Masters of Health Sciences at the Johns Hopkins University, Bloomberg School of Public Health, Department of Epidemiology. Dr. Moore is rated as an Experienced provider by MediFind in the treatment of Portal Hypertension. His top areas of expertise are HIV/AIDS, Sepsis, Hepatitis C, Hepatitis, and Gastrostomy.