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 Elite provider by MediFind in Gastrectomy. His top areas of expertise are Achalasia, Pancreatic Pseudocyst, Bile Duct Obstruction, Endoscopy, and Gastric Bypass.

Debashish Bose is a Surgical Oncologist and a General Surgeon in Baltimore, Maryland. Dr. Bose is rated as an Experienced provider by MediFind in Gastrectomy. His top areas of expertise are Pancreatic Pseudocyst, Pancreatic Cancer, Familial Pancreatic Cancer, Pancreatectomy, and Small Bowel Resection. Dr. Bose is currently accepting new patients.

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

Harry Lightfoot is a General Surgeon in Fulton, Maryland. Dr. Lightfoot is rated as an Experienced provider by MediFind in Gastrectomy. His top areas of expertise are End-Stage Renal Disease (ESRD), Umbilical Hernia, Gallstones, Hernia Surgery, and Small Bowel Resection. Dr. Lightfoot is currently accepting new patients.

Mark Kligman is a Bariatric Medicine provider in Baltimore, Maryland. Dr. Kligman is rated as a Distinguished provider by MediFind in Gastrectomy. His top areas of expertise are Obesity, Obesity in Children, Short Bowel Syndrome, Sleeve Gastrectomy, and Gastrectomy.

Farzin Rashti is a Gastroenterologist in Columbia, Maryland. Dr. Rashti is rated as an Advanced provider by MediFind in Gastrectomy. His top areas of expertise are Hirschsprung Disease, Gastrointestinal Bleeding, Angiodysplasia of the Colon, Gastrectomy, and Endoscopy.

Jin He, M.D., Ph.D., is a professor of surgery at the Johns Hopkins University School of Medicine and is the Division Chief of Hepato-Pancreato-Biliary & Gastrointestinal Surgical Oncology. Dr. He specializes in diseases and tumors of the pancreas, liver, bile duct, and gallbladder. He performs open as well as minimally invasive (robotic and laparoscopic) surgery, including the Whipple procedure. Dr. He received his medical degree from Beijing Medical University and a Ph.D. in oncology from Fudan University Shanghai Medical College. He completed the Halsted general surgery residency training at Johns Hopkins, followed by an ACGME accredited fellowship in complex general surgical oncology at Johns Hopkins. Dr. He is the John Cameron Professor of Alimentary Tract Diseases. Dr. He’s research focuses on personalized treatment through stratifying pancreatic tumors on their genetic features. He holds several patents in anti-cancer vascular targeting agents and has published extensively in peer-reviewed journals and lectured internationally. He serves on several national committees, including the NCCN panel on neuroendocrine tumors and the Alliance for Clinical Trials in Oncology. Dr. He is rated as an Advanced provider by MediFind in Gastrectomy. His top areas of expertise are Pancreatic Cancer, Neuroendocrine Tumor, Cholangiocarcinoma (Bile Duct Cancer), Pancreaticoduodenectomy, and Pancreatectomy.

Yinin Hu is a Surgical Oncologist and a General Surgeon in Cheverly, Maryland. Dr. Hu is rated as an Advanced provider by MediFind in Gastrectomy. His top areas of expertise are Familial Isolated Hyperparathyroidism, Osteitis Fibrosa, Neonatal Severe Hyperparathyroidism, Thyroidectomy, and Gastrectomy. Dr. Hu is currently accepting new patients.

Alan Rosen, MD, specializes in gastroenterology and is board-certified by the American Board of Internal Medicine. He practices at UPMC Western Maryland Gastroenterology. Dr. Rosen received his medical degree from Johns Hopkins University School of Medicine and completed his fellowship at the University of Maryland Medical Center. Dr. Rosen is rated as an Experienced provider by MediFind in Gastrectomy. His top areas of expertise are Gastrointestinal Bleeding, Painful Swallowing, Swallowing Difficulty, Gastrectomy, and Endoscopy.

Naveen Gupta is a Gastroenterologist in Bethesda, Maryland. Dr. Gupta is rated as an Advanced provider by MediFind in Gastrectomy. His top areas of expertise are Gastrointestinal Bleeding, Gallstones, Choledocholithiasis, Endoscopy, and Gastrectomy.

Alejandro Gandsas is a General Surgeon in Annapolis, Maryland. Dr. Gandsas is rated as an Advanced provider by MediFind in Gastrectomy. His top areas of expertise are Obesity, Obesity in Children, Hiatal Hernia, Sleeve Gastrectomy, and Gastrectomy. Dr. Gandsas is currently accepting new patients.

Gina Adrales, M.D., M.P.H., joins the Johns Hopkins Department of Surgery as Director of the Division of Minimally Invasive Surgery, Director of the Minimally Invasive Surgery Training and Innovation Center, and Co-Director of the Johns Hopkins Bariatric Surgery Fellowship. Her areas of clinical expertise include gastroesophageal reflux disease (GERD), gallbladder disease, achalasia, splenectomy (spleen removal), benign gastric and intestinal surgery, bariatric surgery, and open and laparoscopic hernia repair (inguinal, ventral, incisional, umbilical, hiatal, paraesophageal). Dr. Adrales has been named an associate member of the American College of Surgeons' Academy of Master Surgeon Educators. Awardees are recognized for having devoted their careers to surgical education and are considered premier leaders in their respective fields. Prior to joining Johns Hopkins, Dr. Adrales was on faculty at Dartmouth where she directed the Surgery Clerkship, the Hernia Surgery Center, and the Bariatric Surgery Program. During her tenure at Dartmouth, she earned her Masters of Public Health at The Dartmouth Institute for Health Policy and Clinical Practice. She received her undergraduate degree from the College of William and Mary and her medical degree from the University of Virginia. She completed her residency at the Carolinas Medical Center and a research and clinical fellowship in minimally invasive surgery at the University of Kentucky before her first faculty appointment at the Medical College of Georgia. A national leader in hernia surgery, Dr. Adrales serves on the Executive Council of the Americas Hernia Society and previously served on the Executive Council of the Americas Hernia Society Quality Collaborative to improve the safety and quality of hernia surgery. She is actively involved in a number of committees for the Society of American Gastrointestinal and Endoscopic Surgeons including various roles in surgical education, the development of the Fundamentals of Endoscopic Surgery and an innovative interactive hernia surgery education module. Dr. Adrales’ research interests include health services research, clinical outcomes and quality improvement in minimally invasive foregut surgery, bariatric and metabolic surgery, and abdominal wall reconstruction. She has presented her work regionally, nationally, and internationally. Dr. Adrales is rated as an Advanced provider by MediFind in Gastrectomy. Her top areas of expertise are Hernia, Hiatal Hernia, Gastroparesis, Gastrectomy, and Sleeve Gastrectomy.

Courtney Doyle is a General Surgeon in Lanham, Maryland. Dr. Doyle is rated as an Advanced provider by MediFind in Gastrectomy. Her top areas of expertise are Obesity, Obesity in Children, Hernia, Sleeve Gastrectomy, and Gastrectomy. Dr. Doyle is currently accepting new patients.

Ajay Bakhshi is a Gastroenterologist in Bethesda, Maryland. Dr. Bakhshi is rated as an Advanced provider by MediFind in Gastrectomy. His top areas of expertise are Gastrointestinal Bleeding, Juvenile Polyposis Syndrome, Cronkhite-Canada Disease, Gastrectomy, and Gastrostomy.

Rahul Gilotra is a Gastroenterologist in Wheaton, Maryland. Dr. Gilotra is rated as an Advanced provider by MediFind in Gastrectomy. His top areas of expertise are Gastrointestinal Bleeding, Intestinal Cancer, Chronic Erosive Gastritis, Gastrectomy, and Gastrostomy.

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 rated as an Advanced provider by MediFind in Gastrectomy. His top areas of expertise are Hereditary Pancreatitis, Acute Pancreatitis, Achalasia, Endoscopy, and Gastrectomy.

Chintamaneni Choudari is a Gastroenterologist in Hagerstown, Maryland. Dr. Choudari is rated as an Advanced provider by MediFind in Gastrectomy. His top areas of expertise are Gastroesophageal Reflux Disease (GERD), Chronic Erosive Gastritis, Gastrointestinal Bleeding, Gastrectomy, and Colonoscopy.

Christopher You is a General Surgeon in Rosedale, Maryland. Dr. You is rated as an Advanced provider by MediFind in Gastrectomy. His top areas of expertise are Hernia, Obesity, Obesity in Children, Sleeve Gastrectomy, and Gastrectomy. Dr. You is currently accepting new patients.

Sudhir Dutta is a Gastroenterologist in Lutherville, Maryland. Dr. Dutta is rated as an Advanced provider by MediFind in Gastrectomy. His top areas of expertise are Gastrointestinal Bleeding, Choledocholithiasis, Hiatal Hernia, Colonoscopy, and Gastrectomy.

Weiming Yan is a Gastroenterologist in Rockville, Maryland. Dr. Yan has been practicing medicine for over 18 years and is rated as an Advanced provider by MediFind in Gastrectomy. His top areas of expertise are Familial Adenomatous Polyposis, Indigestion, Gastric Dysmotility, Gastrectomy, and Colonoscopy.