Alif Manejwala is a Gastroenterologist in Glen Burnie, Maryland. Dr. Manejwala is highly rated in 18 conditions, according to our data. His top areas of expertise are Diverticular Disease, Chronic Erosive Gastritis, Esophagitis, Endoscopy, and Gastrostomy.

Gelsimo Cruz is a Gastroenterologist in Glen Burnie, Maryland. Dr. Cruz is highly rated in 13 conditions, according to our data. His top areas of expertise are Menetrier Disease, Gastroesophageal Reflux Disease (GERD), Chronic Erosive Gastritis, and Hiatal Hernia.

Joshua Forman is a Gastroenterologist in Annapolis, Maryland. Dr. Forman is highly rated in 77 conditions, according to our data. His top areas of expertise are Choledocholithiasis, Gallstones, Bile Duct Obstruction, Endoscopy, and Gastrectomy.

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.

Aminur Khan is a Gastroenterologist in Annapolis, Maryland. Dr. Khan is highly rated in 50 conditions, according to our data. His top areas of expertise are Diarrhea, Trichohepatoenteric Syndrome, Familial Adenomatous Polyposis, Gastrectomy, and Endoscopy.

Christopher Olenec is a Gastroenterologist in Annapolis, Maryland. Dr. Olenec is highly rated in 46 conditions, according to our data. His top areas of expertise are Barrett Esophagus, Bile Duct Obstruction, Gastroesophageal Reflux Disease (GERD), Endoscopy, and Pancreatectomy.

Raja Taunk is a Gastroenterologist in Annapolis, Maryland. Dr. Taunk is highly rated in 41 conditions, according to our data. His top areas of expertise are Crohn's Disease, Chronic Idiopathic Constipation (CIC), Gastroesophageal Reflux Disease (GERD), Gastrectomy, and Colonoscopy.

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.

Andrew Rosenstein is a Gastroenterologist in Annapolis, Maryland. Dr. Rosenstein is highly rated in 38 conditions, according to our data. His top areas of expertise are Gastroesophageal Reflux Disease (GERD), Crohn's Disease, Lower Esophageal Ring, Endoscopy, and Gastrectomy.

Calvin Parker is a Gastroenterologist in Glen Burnie, Maryland. Dr. Parker is highly rated in 36 conditions, according to our data. His top areas of expertise are Diverticular Disease, Indigestion, Gastroesophageal Reflux Disease (GERD), Colonoscopy, and Gastrectomy.

Mark Flasar is a Gastroenterologist in Annapolis, Maryland. Dr. Flasar is highly rated in 35 conditions, according to our data. His top areas of expertise are Crohn's Disease, Ulcerative Colitis, Gastroesophageal Reflux Disease (GERD), Gastrectomy, and Endoscopy.

David Jencks is a Gastroenterologist in Annapolis, Maryland. Dr. Jencks is highly rated in 34 conditions, according to our data. His top areas of expertise are Diverticular Disease, Gastric Dysmotility, Indigestion, Gastrectomy, and Endoscopy.

Praveena Velamati is a Gastroenterologist in Annapolis, Maryland. Dr. Velamati is highly rated in 31 conditions, according to our data. Her top areas of expertise are Gastroesophageal Reflux Disease (GERD), Diverticular Disease, Diarrhea, Gastrectomy, and Colonoscopy.

Melanie Jackson is a Gastroenterologist in Annapolis, Maryland. Dr. Jackson is highly rated in 24 conditions, according to our data. Her top areas of expertise are Gastroesophageal Reflux Disease (GERD), Diverticular Disease, Indigestion, Endoscopy, and Colonoscopy.

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 highly rated in 22 conditions, according to our data. Her top areas of expertise are Pancreatic Cancer, Familial Pancreatic Cancer, Bile Duct Stricture, Endoscopy, and Pancreaticoduodenectomy.

Mahmood Solaiman is a Gastroenterologist in Elkridge, Maryland. Dr. Solaiman is highly rated in 12 conditions, according to our data. His top areas of expertise are Gastrointestinal Bleeding, Irritable Bowel Syndrome (IBS), Menetrier Disease, Gastrostomy, and Gastrectomy.

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.

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 highly rated in 8 conditions, according to our data. His top areas of expertise are Hereditary Pancreatitis, Acute Pancreatitis, Chronic Pancreatitis, Endoscopy, and Lithotripsy.

George Kurian is a Gastroenterologist in Glen Burnie, Maryland. Dr. Kurian is highly rated in 7 conditions, according to our data. His top areas of expertise are Diverticular Disease, Gastric Dysmotility, Familial Adenomatous Polyposis, and Gardner Syndrome.

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.