Elliot Schwarzenberger is a Gastroenterologist in Pikesville, Maryland. Dr. Schwarzenberger is highly rated in 46 conditions, according to our data. His top areas of expertise are Gas Bloat Syndrome, Diverticular Disease, Familial Adenomatous Polyposis, Gastrectomy, and Colonoscopy.

Ernest Tsao is a Gastroenterologist in Baltimore, Maryland. Dr. Tsao is highly rated in 43 conditions, according to our data. His top areas of expertise are Hepatitis, Gas Bloat Syndrome, Hepatitis C, Endoscopy, and Gastrectomy.

Aminat Oluyemi is a Gastroenterologist in Pikesville, Maryland. Dr. Oluyemi is highly rated in 39 conditions, according to our data. Her top areas of expertise are Irritable Bowel Syndrome (IBS), Gastroesophageal Reflux Disease (GERD), Diarrhea, Gastrectomy, and Colonoscopy.

Arjun Vaid is a Gastroenterologist in Baltimore, Maryland. Dr. Vaid is highly rated in 39 conditions, according to our data. 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 highly rated in 30 conditions, according to our data. His top areas of expertise are Familial Adenomatous Polyposis, Attenuated Familial Adenomatous Polyposis, Cronkhite-Canada Disease, Gastrectomy, and Colonoscopy.

Edward Wolf is a Gastroenterologist in Baltimore, Maryland. Dr. Wolf is highly rated in 30 conditions, according to our data. His top areas of expertise are Diverticular Disease, Gastroesophageal Reflux Disease (GERD), Barrett Esophagus, Colonoscopy, 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 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.

Loc Le is a Gastroenterologist in Baltimore, Maryland. Dr. Le is highly rated in 25 conditions, according to our data. His top areas of expertise are Gastroesophageal Reflux Disease (GERD), Irritable Bowel Syndrome (IBS), Barrett Esophagus, Colonoscopy, and Endoscopy.

Alfred Lee is a Gastroenterologist in Pikesville, Maryland. Dr. Lee is highly rated in 24 conditions, according to our data. His top areas of expertise are Barrett Esophagus, Diverticular Disease, Colitis, Gastrectomy, and Endoscopy.

Todd Heller is a Gastroenterologist in Pikesville, Maryland. Dr. Heller is highly rated in 22 conditions, according to our data. His top areas of expertise are Gastroesophageal Reflux Disease (GERD), Diverticular Disease, Hiatal Hernia, Colonoscopy, and Gastrectomy.

Michael Siuta is a Gastroenterologist in Pikesville, Maryland. Dr. Siuta is highly rated in 19 conditions, according to our data. His top areas of expertise are Heartburn, Diarrhea, Trichohepatoenteric Syndrome, Familial Adenomatous Polyposis, and Gastrectomy.

Diana Whitehead is a Gastroenterologist in Pikesville, Maryland. Dr. Whitehead is highly rated in 13 conditions, according to our data. Her top areas of expertise are Crohn's Disease, Ulcerative Colitis, Hemorrhoids, Colonoscopy, 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.

Chau To is a Gastroenterologist in Randallstown, Maryland. Dr. To is highly rated in 5 conditions, according to our data. Her top areas of expertise are Autoimmune Hepatitis, Visceromegaly, Hepatitis, Colonoscopy, and Endoscopy.

Marcia (Mimi) Canto, M.D., M.H.S. is a Professor of Medicine at The Johns Hopkins University School of Medicine. She is also the Director of Endoscopy at the Johns Hopkins Hospital. Dr. Canto received her Bachelor of Science degree from the University of the Philippines in Manila in 1981 (summa cum laude). She received her Doctor of Medicine degree in 1985 from the University of the Philippines and completed her training in Internal Medicine from State University of New York Sciences Center in Brooklyn, Brooklyn, New York. Dr. Canto completed a postdoctoral fellowship in Gastroenterology-Hepatology at The Johns Hopkins University School of Medicine and received a Master of Health Science in Clinical Epidemiology from The Johns Hopkins University School of Hygiene and Public Health in 1993. Dr. Canto came back to Johns Hopkins after spending three years at Case Western Reserve University in Cleveland, Ohio for advanced endoscopic training. Her primary clinical interests include endoscopy, particularly the use of endoscopic ultrasound (EUS) in detecting early pancreatic cancer and its precursors. She has recently shown that endoscopic ultrasound can be used to detect asymptomatic precancerous lesions in patients with a family history of pancreatic cancer. Dr. Canto is highly rated in 17 conditions, according to our data. Her top areas of expertise are Barrett Esophagus, Familial Pancreatic Cancer, Gastroesophageal Reflux Disease (GERD), 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.

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.

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.

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 highly rated in 43 conditions, according to our data. His top areas of expertise are Gastric Dysmotility, Diverticular Disease, Diarrhea, Endoscopy, and Gastrectomy.

Allen Banegura is a Gastroenterologist in Catonsville, Maryland. Dr. Banegura is highly rated in 43 conditions, according to our data. His top areas of expertise are Familial Adenomatous Polyposis, Angiodysplasia of the Colon, Esophagitis, Gastrectomy, 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.

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 highly rated in 41 conditions, according to our data. Her top areas of expertise are Achalasia, Pancreatic Pseudocyst, Stomach Cancer, Endoscopy, and Gastric Bypass.