April Tignor is a Gastroenterologist in Glen Burnie, Maryland. Dr. Tignor is rated as an Advanced provider by MediFind in the treatment of Indigestion. 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 Indigestion. Her top areas of expertise are Achalasia, Pancreatic Pseudocyst, Stomach Cancer, Endoscopy, and Gastric Bypass.

Allen Banegura is a Gastroenterologist in Catonsville, Maryland. Dr. Banegura is rated as an Advanced provider by MediFind in the treatment of Indigestion. His top areas of expertise are Familial Adenomatous Polyposis, Angiodysplasia of the Colon, Esophagitis, Gastrectomy, and Colonoscopy.

Thomas Abernathy is a Gastroenterologist in Catonsville, Maryland. Dr. Abernathy is rated as an Advanced provider by MediFind in the treatment of Indigestion. His top areas of expertise are Lactose Intolerance, Familial Adenomatous Polyposis, Hemorrhoids, Gastrectomy, and Colonoscopy.

Biju Alex is a Gastroenterologist in Columbia, Maryland. Dr. Alex is rated as a Distinguished provider by MediFind in the treatment of Indigestion. His top areas of expertise are Colitis, Viral Gastroenteritis, Portal Hypertension, Gastrectomy, and Endoscopy.

Calvin Parker is a Gastroenterologist in Glen Burnie, Maryland. Dr. Parker is rated as an Advanced provider by MediFind in the treatment of Indigestion. His top areas of expertise are Diverticular Disease, Indigestion, Gastroesophageal Reflux Disease (GERD), Colonoscopy, and Gastrectomy.

Dr. Bulat joins Johns Hopkins from Tulane University, where he was director of the neurogastroenterology and motility service and director of the GI training program. He specializes in motility and functional disorders, with an emphasis on gastroparesis. He completed his master’s degree (neuroscience) and doctorate (physiology and pharmacology) in the area of smooth muscle function, as well as motility subspecialty training, at McMaster University. Dr. Bulat is an accomplished researcher and has authored several publications and book chapters in his field of interest. Dr. Bulat is rated as an Experienced provider by MediFind in the treatment of Indigestion. His top areas of expertise are Gastroparesis, Gastric Dysmotility, Morning Sickness, Gastrectomy, and Endoscopy.

Ken Hui, M.D., Ph.D. is a gastroenterologist treating a variety of conditions affecting the esophagus, stomach and intestines. Dr. Hui has expertise in the brain-gut connection and related disorders, and he performs a wide range of procedures to treat gastrointestinal problems, including upper endoscopy and colonoscopy. Dr. Hui is an assistant professor of medicine in the Johns Hopkins Division of Gastroenterology and Hepatology. He obtained his medical degree at Yale University in New Haven, Connecticut, and he completed a residency in internal medicine at the Johns Hopkins University School of Medicine. He remained at Johns Hopkins to complete a fellowship in gastroenterology and hepatology. Dr. Hui also has a Ph.D. in computational biology and bioinformatics from Yale, where he studied the genetic risk factors for Crohn’s disease in the Ashkenazi Jewish population. Dr. Hui’s research focuses on computational and functional approaches to study the vagus nerve as a component of the gut-brain axis, as well as its relation to symptoms of gastrointestinal diseases. With his background in genomics, Dr. Hui also studies the link from genetic factors to disorders of the gut-brain axis and gastrointestinal motility. He has published his research findings in numerous peer-reviewed journals and presented at national and international conferences. Dr. Hui is rated as an Experienced provider by MediFind in the treatment of Indigestion. His top areas of expertise are Crohn's Disease, Viral Gastroenteritis, Gastroparesis, Vagotomy, and Endoscopy.

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 Indigestion. His top areas of expertise are Hereditary Pancreatitis, Acute Pancreatitis, Chronic Pancreatitis, Endoscopy, and Lithotripsy.

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 Experienced provider by MediFind in the treatment of Indigestion. His top areas of expertise are Achalasia, Pancreatic Pseudocyst, Bile Duct Obstruction, Endoscopy, and Gastric Bypass.

John Affronti is a Gastroenterologist in Baltimore, Maryland. Dr. Affronti is rated as an Experienced provider by MediFind in the treatment of Indigestion. His top areas of expertise are Childhood Volvulus, Portal Hypertension, Indigestion, Endoscopy, and Gastrectomy.

Alif Manejwala is a Gastroenterologist in Glen Burnie, Maryland. Dr. Manejwala is rated as an Experienced provider by MediFind in the treatment of Indigestion. His top areas of expertise are Diverticular Disease, Chronic Erosive Gastritis, Esophagitis, Endoscopy, and Gastrostomy.

Arif Mannan is a Pediatrics provider in Glen Burnie, Maryland. Dr. Mannan is rated as an Experienced provider by MediFind in the treatment of Indigestion. His top areas of expertise are Multisystem Inflammatory Syndrome in Children (MIS-C), Respiratory Syncytial Virus (RSV) Infection, Viral Gastroenteritis, and Croup. Dr. Mannan is currently accepting new patients.

Gelsimo Cruz is a Gastroenterologist in Glen Burnie, Maryland. Dr. Cruz is rated as an Experienced provider by MediFind in the treatment of Indigestion. His top areas of expertise are Menetrier Disease, Gastroesophageal Reflux Disease (GERD), Chronic Erosive Gastritis, and Hiatal Hernia.

Mahmood Solaiman is a Gastroenterologist in Elkridge, Maryland. Dr. Solaiman is rated as an Experienced provider by MediFind in the treatment of Indigestion. His top areas of expertise are Gastrointestinal Bleeding, Irritable Bowel Syndrome (IBS), Menetrier Disease, Gastrostomy, and Gastrectomy.

Priti Bijpuria is a Gastroenterologist in Columbia, Maryland. Dr. Bijpuria is rated as an Advanced provider by MediFind in the treatment of Indigestion. Her top areas of expertise are Gastric Dysmotility, Bacterial Gastroenteritis, Indigestion, Gastroesophageal Reflux Disease (GERD), and Gastrectomy.

Marvin Lawrence is a Gastroenterologist in Columbia, Maryland. Dr. Lawrence is rated as an Advanced provider by MediFind in the treatment of Indigestion. His top areas of expertise are Swallowing Difficulty, Painful Swallowing, Berdon Syndrome, Diverticular Disease, and Endoscopy.

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 rated as an Advanced provider by MediFind in the treatment of Indigestion. Her top areas of expertise are Pancreatic Cancer, Familial Pancreatic Cancer, Bile Duct Stricture, Endoscopy, and Pancreaticoduodenectomy.

Sean Karp is a Gastroenterologist in Columbia, Maryland. Dr. Karp is rated as an Advanced provider by MediFind in the treatment of Indigestion. His top areas of expertise are Gastroesophageal Reflux Disease (GERD), Diverticular Disease, Irritable Bowel Syndrome (IBS), Familial Adenomatous Polyposis, and Endoscopy.

Dr. Rai was awarded the “TOP DOC” in Gastroenterology award by Baltimore Magazine for 2016. Dr. Rai is a Gastroenterologist & Hepatologist, with over 22 years of experience in this field. He is the Medical Director of Gastro Center of Maryland & Cascades Endoscopy Center and has served on the Medical Faculty at Johns Hopkins University School of Medicine for many years, starting in 1997. He has been in many leadership positions in the Johns Hopkins Division of Gastroenterology & Hepatology, including as the Medical Director, Adult Liver Transplantation and Director, Clinical Effectiveness. He completed his Gastroenterology & Hepatology Fellowship at Johns Hopkins University in 1996 and completed an additional year of Advanced Fellowship at Johns Hopkins University in Transplant Hepatology and Biliary Disorders. Dr. Rai is considered a national thought leader and expert in the field of Gastroenterology and Liver disease and presents regularly at national and regional meetings. He has received many awards including Excellence in Clinical Research Award from the American College of Gastroenterology, Passano Clinician Scientist Award from Johns Hopkins University, Industry Research Scholar Award & Astra-Merck Award from the American Digestive Health Foundation, among others. He has published dozens of scholarly articles in peer-reviewed journals and authored many chapters for medical textbooks. He has performed over 50,000 procedures in this field and pioneered new and innovative medical techniques. Dr. Rai is rated as an Advanced provider by MediFind in the treatment of Indigestion. His top areas of expertise are Crohn's Disease, Gastric Dysmotility, Colitis, Colonoscopy, and Gastrectomy.