The 20 Best Colonoscopy Doctors in Maryland, US

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 a Distinguished provider by MediFind in Colonoscopy. He is also highly rated in 52 other conditions, according to our data. His clinical expertise encompasses Achalasia, Pancreatic Pseudocyst, Bile Duct Obstruction, Endoscopy, and Gastric Bypass. Dr. Khashab is board certified in American Board Of Internal Medicine.

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 a Distinguished provider by MediFind in Colonoscopy. She is also highly rated in 41 other conditions, according to our data. Her clinical expertise encompasses Achalasia, Stomach Cancer, Familial Adenomatous Polyposis, Endoscopy, and Gastric Bypass. Dr. Ngamruengphong is board certified in American Board Of Internal Medicine.

Sudhir Dutta is a Gastroenterologist practicing medicine in Lutherville, Maryland. Dr. Dutta is rated as a Distinguished provider by MediFind in Colonoscopy. He is also highly rated in 21 other conditions, according to our data. His clinical expertise encompasses Gastrointestinal Bleeding, Choledocholithiasis, Hiatal Hernia, Colonoscopy, and Gastrectomy. Dr. Dutta is board certified in American Board Of Internal Medicine.

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 rated as an Advanced provider by MediFind in Colonoscopy. He is also highly rated in 10 other conditions, according to our data. His clinical expertise encompasses Crohn's Disease, Viral Gastroenteritis, Ulcerative Colitis, Colonoscopy, and Endoscopy. Dr. Lazarev is board certified in American Board Of Internal Medicine.

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 Colonoscopy. He is also highly rated in 13 other conditions, according to our data. His clinical expertise encompasses Hereditary Pancreatitis, Acute Pancreatitis, Achalasia, Endoscopy, and Gastrectomy. Dr. Kalloo is board certified in American Board Of Internal Medicine.

David Hutcheon is a Gastroenterologist practicing medicine in Lutherville, Maryland. Dr. Hutcheon is rated as an Advanced provider by MediFind in Colonoscopy. He is also highly rated in 25 other conditions, according to our data. His clinical expertise encompasses Gastrointestinal Bleeding, Intestinal Cancer, Angiodysplasia of the Colon, Colonoscopy, and Endoscopy. Dr. Hutcheon is board certified in American Board Of Internal Medicine.

Naveen Gupta is a Gastroenterologist practicing medicine in Bethesda, Maryland. Dr. Gupta is rated as an Advanced provider by MediFind in Colonoscopy. He is also highly rated in 32 other conditions, according to our data. His clinical expertise encompasses Gastrointestinal Bleeding, Gallstones, Choledocholithiasis, Endoscopy, and Gastrectomy. Dr. Gupta is board certified in American Board Of Internal Medicine.

Eric Blum is a Gastroenterologist practicing medicine in Baltimore, Maryland. Dr. Blum is rated as an Advanced provider by MediFind in Colonoscopy. He is also highly rated in 27 other conditions, according to our data. His clinical expertise encompasses Diverticular Disease, Familial Adenomatous Polyposis, Viral Gastroenteritis, Colonoscopy, and Endoscopy. Dr. Blum is board certified in American Board Of Internal Medicine.

Jie Chen is a Holistic Medicine provider practicing medicine in Silver Spring, Maryland. Ms. Chen is rated as an Advanced provider by MediFind in Colonoscopy. She is also highly rated in 22 other conditions, according to our data. Her clinical expertise encompasses Microsporidiosis, Pancreatic Ductal Adenocarcinoma, Gallbladder Disease, Endoscopy, and Osteotomy. Ms. Chen is currently accepting new patients.

Dr. Marshall Bedine is an assistant professor of medicine at the Johns Hopkins University School of Medicine. His areas of clinical expertise include gastroenterology, inflammatory bowel disease and irritable bowel syndrome. He earned his M.D. from the Boston University School of Medicine. Dr. Bedine is rated as an Advanced provider by MediFind in Colonoscopy. He is also highly rated in 9 other conditions, according to our data. His clinical expertise encompasses Crohn's Disease, Hemorrhoids, Attenuated Familial Adenomatous Polyposis, Colonoscopy, and Endoscopy. Dr. Bedine is board certified in American Board Of Internal Medicine.

Francis Giardiello is a Gastroenterologist practicing medicine in Baltimore, Maryland. Dr. Giardiello is rated as a Distinguished provider by MediFind in Colonoscopy. He is also highly rated in 10 other conditions, according to our data. His clinical expertise encompasses Familial Adenomatous Polyposis, Juvenile Polyposis Syndrome, Peutz-Jeghers Syndrome, Colonoscopy, and Endoscopy.

David Cromwell is a Gastroenterologist practicing medicine in Towson, Maryland. Dr. Cromwell is rated as an Advanced provider by MediFind in Colonoscopy. He is also highly rated in 9 other conditions, according to our data. His clinical expertise encompasses Gastrointestinal Bleeding, Familial Adenomatous Polyposis, Swallowing Difficulty, Endoscopy, and Colonoscopy. Dr. Cromwell is board certified in American Board Of Internal Medicine.

Sean Hunt is a Gastroenterologist practicing medicine in Frederick, Maryland. Dr. Hunt is rated as an Advanced provider by MediFind in Colonoscopy. He is also highly rated in 25 other conditions, according to our data. His clinical expertise encompasses Gastroesophageal Reflux Disease (GERD), Irritable Bowel Syndrome (IBS), Familial Adenomatous Polyposis, Gastrectomy, and Colonoscopy.

Chady Atallah is a General Surgeon practicing medicine in Baltimore, Maryland. Dr. Atallah is rated as an Advanced provider by MediFind in Colonoscopy. He is also highly rated in 9 other conditions, according to our data. His clinical expertise encompasses Familial Colorectal Cancer, Colorectal Cancer, Anal Cancer, Ileostomy, and Colonoscopy.

James Novick, MD, specializes in gastroenterology and is board-certified by the American Board of Internal Medicine. Dr. Novick completed his medical degree, residency, and fellowship at the University of Maryland Medical Center. Dr. Novick is rated as an Advanced provider by MediFind in Colonoscopy. He is also highly rated in 4 other conditions, according to our data. His clinical expertise encompasses Ulcerative Colitis, Gastrointestinal Bleeding, Viral Gastroenteritis, Endoscopy, and Colonoscopy. Dr. Novick is board certified in American Board Of Internal Medicine and American Board Of Internal Medicine.

Agazi Gebreselassie is a Gastroenterologist and a Hospital Medicine provider practicing medicine in Baltimore, Maryland. Dr. Gebreselassie is rated as an Experienced provider by MediFind in Colonoscopy. He is also highly rated in 37 other conditions, according to our data. His clinical expertise encompasses Jaundice, Macroamylasemia, Portal Hypertension, Endoscopy, and Colonoscopy. Dr. Gebreselassie is board certified in American Board Of Internal Medicine.

Steven Epstein is a Gastroenterologist practicing medicine in Baltimore, Maryland. Dr. Epstein is rated as an Experienced provider by MediFind in Colonoscopy. He is also highly rated in 30 other conditions, according to our data. His clinical expertise encompasses Familial Adenomatous Polyposis, Cronkhite-Canada Disease, Juvenile Polyposis Syndrome, Gastrectomy, and Colonoscopy. Dr. Epstein is board certified in American Board Of Internal Medicine.

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 Colonoscopy. He is also highly rated in 8 other conditions, according to our data. His clinical expertise encompasses Hereditary Pancreatitis, Acute Pancreatitis, Chronic Pancreatitis, Endoscopy, and Lithotripsy. Dr. Akshintala is board certified in American Board Of Internal Medicine.

Kester Crosse is a Gastroenterologist practicing medicine in Columbia, Maryland. Dr. Crosse is rated as an Experienced provider by MediFind in Colonoscopy. He is also highly rated in 22 other conditions, according to our data. His clinical expertise encompasses Gastroesophageal Reflux Disease (GERD), Hiatal Hernia, Congenital Diaphragmatic Hernia, Colonoscopy, and Endoscopy. Dr. Crosse is board certified in American Board Of Internal Medicine.

Dhruv Lowe is a Gastroenterologist practicing medicine in Olney, Maryland. Dr. Lowe is rated as an Experienced provider by MediFind in Colonoscopy. He is also highly rated in 2 other conditions, according to our data. His clinical expertise encompasses Pyogenic Liver Abscess, Mallory-Weiss Syndrome, Gastrointestinal Bleeding, Colonoscopy, and Gastrectomy. Dr. Lowe is board certified in American Board Of Internal Medicine.