Mark Birns is a Gastroenterologist in Rockville, Maryland. Dr. Birns is rated as a Distinguished provider by MediFind in the treatment of Hiatal Hernia. His top areas of expertise are Hiatal Hernia, Congenital Diaphragmatic Hernia, Viral Gastroenteritis, and Colitis.

Eric Pollack is a Gastroenterologist in North Bethesda, Maryland. Dr. Pollack is rated as an Experienced provider by MediFind in the treatment of Hiatal Hernia. His top areas of expertise are Gastroesophageal Reflux Disease (GERD), Familial Adenomatous Polyposis, Diverticular Disease, and Indigestion.

Dr. Collier is graduate from Georgetown University Medical School, Washington D.C. and he has been in practice since 2000 in Rockville, MD. Dr. Collier received advanced training in Gastroenterology and Endoscopic Ultrasound from prestigious organizations such as Georgetown University Hospital, Washington Veteran's Hospital and the National Institutes of Health. Dr. Collier's top priority is to advance the delivery of care for patients suffering from digestive health conditions. His goal is to provide high quality patient care, medical diagnosis and the most effective treatment. He is married with three children. For more information on Dr. Collier, visit CapitalDigestiveCare.com. Dr. Collier is rated as an Experienced provider by MediFind in the treatment of Hiatal Hernia. His top areas of expertise are Irritable Bowel Syndrome (IBS), Indigestion, Gastroesophageal Reflux Disease (GERD), Portal Hypertension, and Gastrectomy.

Zachary Borman is a Gastroenterologist in North Bethesda, Maryland. Dr. Borman is rated as an Experienced provider by MediFind in the treatment of Hiatal Hernia. His top areas of expertise are Diarrhea, Trichohepatoenteric Syndrome, Hemorrhoids, Gastrectomy, and Colonoscopy.

Dr. Matthew B. Chandler is a gastroenterologist affiliated with Sibley Memorial Hospital, Georgetown University Hospital and George Washington University Hospital, where he is an assistant professor of medicine. He practices out of GWUMFA Department of Gastroenterology in Washington, D.C. Dr. Chandler has an expertise in liver disease. Dr. Chandler earned his medical degree from Emory University School of Medicine, where he received the Stanley Fellowship Grant for Research in Psychiatry and two scholarships. He was chief resident during his internal medicine residency at George Washington University School of Medicine, where he also completed a fellowship in gastroenterology. Dr. Chandler has contributed to numerous publications and presentations on gastroenterology topics. His primary research interest is inflammatory bowel disease. Dr. Chandler is rated as an Experienced provider by MediFind in the treatment of Hiatal Hernia. His top areas of expertise are Irritable Bowel Syndrome (IBS), Gastroesophageal Reflux Disease (GERD), Familial Adenomatous Polyposis, Endoscopy, and Colonoscopy.

Kirsti Campbell is a Gastroenterologist in Bethesda, Maryland. Dr. Campbell is rated as an Experienced provider by MediFind in the treatment of Hiatal Hernia. Her top areas of expertise are Gastrointestinal Bleeding, Gastric Dysmotility, Gastritis, and Familial Adenomatous Polyposis.

Hamid Zahiri is a General Surgeon in Rockville, Maryland. Dr. Zahiri is rated as an Advanced provider by MediFind in the treatment of Hiatal Hernia. His top areas of expertise are Hernia, Gallstones, Choledocholithiasis, Hernia Surgery, and Endoscopy. Dr. Zahiri is currently accepting new patients.

Olanma Okoji is a Gastroenterologist in Rockville, Maryland. Dr. Okoji is rated as an Advanced provider by MediFind in the treatment of Hiatal Hernia. Her top areas of expertise are Hiatal Hernia, Congenital Diaphragmatic Hernia, Indigestion, and Diverticular Disease.

Robert Finkel is a Gastroenterologist in Rockville, Maryland. Dr. Finkel is rated as an Advanced provider by MediFind in the treatment of Hiatal Hernia. His top areas of expertise are Familial Adenomatous Polyposis, Diverticular Disease, Gastroesophageal Reflux Disease (GERD), and Hiatal Hernia.

David Jager is a Gastroenterologist in Rockville, Maryland. Dr. Jager is rated as an Advanced provider by MediFind in the treatment of Hiatal Hernia. His top areas of expertise are Gastroesophageal Reflux Disease (GERD), Barrett Esophagus, Diverticular Disease, Gas Bloat Syndrome, and Gastrectomy.

Stephen Park is a Gastroenterologist in Rockville, Maryland. Dr. Park has been practicing medicine for over 17 years and is rated as an Advanced provider by MediFind in the treatment of Hiatal Hernia. His top areas of expertise are Indigestion, Portal Hypertension, Childhood Volvulus, and Gastroesophageal Reflux Disease (GERD).

Lawrence Bassin is a Gastroenterologist in Rockville, Maryland. Dr. Bassin is rated as an Advanced provider by MediFind in the treatment of Hiatal Hernia. His top areas of expertise are Gastroesophageal Reflux Disease (GERD), Ulcerative Colitis, Barrett Esophagus, and Hemorrhoids.

William Stern is a Gastroenterologist in Rockville, Maryland. Dr. Stern is rated as an Advanced provider by MediFind in the treatment of Hiatal Hernia. His top areas of expertise are Irritable Bowel Syndrome (IBS), Indigestion, Gastroesophageal Reflux Disease (GERD), and Diverticular Disease.

Anna Strongin is a Gastroenterologist in Rockville, Maryland. Dr. Strongin is rated as an Advanced provider by MediFind in the treatment of Hiatal Hernia. Her top areas of expertise are Heartburn, Gastric Dysmotility, Indigestion, and Gas Bloat Syndrome.

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

Amy Shah is a Gastroenterologist in Chevy Chase, Maryland. Dr. Shah is rated as an Advanced provider by MediFind in the treatment of Hiatal Hernia. Her top areas of expertise are Ulcerative Colitis, Crohn's Disease, Familial Adenomatous Polyposis, Endoscopy, and Colonoscopy.

Steven Zeddun is a Gastroenterologist in Chevy Chase, Maryland. Dr. Zeddun is rated as an Advanced provider by MediFind in the treatment of Hiatal Hernia. His top areas of expertise are Achalasia, Crohn's Disease, Ulcerative Colitis, Endoscopy, and Colonoscopy.

Mohammed Ali is a Gastroenterologist in Chevy Chase, Maryland. Dr. Ali is rated as an Advanced provider by MediFind in the treatment of Hiatal Hernia. His top areas of expertise are Crohn's Disease, Ulcerative Colitis, Familial Adenomatous Polyposis, Thrombectomy, and Endoscopy.

Dr. Jonathan M. Koff is a gastroenterologist affiliated with Sibley Memorial Hospital and Washington Hospital Center. Dr. Koff practices out of Capital Digestive Care’s Metropolitan Gastroenterology Group, located in Washington, D.C. and Chevy Chase, Md. Dr. Koff has an expertise in esophageal disease and colon cancer detection and screening, in addition to general gastroenterology. Dr. Koff earned his undergraduate degree from Wesleyan University and his medical degree from Boston University School of Medicine. He completed a residency in internal medicine at Walter Reed National Military Medical Center, where he went on to complete a fellowship in gastroenterology. Dr. Koff served in the United States Army for 11 years, working as an internist at the Army clinic in the Pentagon, as a first responder on 9-11 and on a tour in Iraq at the 31st Combat Support Hospital in Mosul. Dr. Koff also went on to direct the Center for Liver Disease and the Inflammatory Bowel Disease Clinic at Walter Reed Army Medical Center, where he served as the director of clinical research in gastroenterology as well. He also completed the first double balloon enteroscopy in the United States Army and in Washington, D.C. Dr. Koff is a member of the American College of Gastroenterology. He is on Sibley Memorial Hospital’s Emergency Room Committee and Internal Medicine Peer Review Committee. Dr. Koff has been named a Top MD by Washingtonian Magazine. Dr. Koff has contributed to various publications and presentation on gastroenterology. Dr. Koff is rated as an Advanced provider by MediFind in the treatment of Hiatal Hernia. His top areas of expertise are Crohn's Disease, Ulcerative Colitis, Eosinophilic Colitis, Endoscopy, and Gastrectomy.

Dr. Mohammed Kalan is a general surgeon affiliated with Sibley Memorial Hospital and George Washington University Hospital. He practices out of the Washington Institute of Surgery in Washington, D.C. and Chevy Chase, Md. Dr. Kalan has an expertise in abdominal surgery, clinical gastroenterology, colorectal surgery, gastrointestinal cancers, minimally invasive gastrointestinal surgery and robotic surgery. Dr. Kalan earned his MBBS from Byramjee Jeejeebhoy Medical College in India. He completed a residency in general surgery at Temple University School of Medicine, followed by a fellowship in laparoscopic surgery at George Washington University School of Medicine. Dr. Kalan is a fellow of the American College of Surgeons and the Royal College of Surgeons of London and Edinburgh, U.K. Dr. Kalan has earned numerous awards. His teaching awards include the Outstanding Faculty Teacher for the Department of Surgery from Georgetown University Hospital in 2001; the Golden Apple Award Nomination from Georgetown University Medical School in 2000; the Georgetown Caring Star from Georgetown University Hospital in 2009 and 2003; and the W.L. Gore/Stuart I. Myers Award for Academic Excellence from Temple University in 1998. Dr. Kalan has also been named one of America’s Top Surgeons by the Consumers’ Research Council of America from 2010-2014; and a Top Doctor in General and Laparoscopic Surgery by Washingtonian magazine in 2002. Dr. Kalan is rated as an Advanced provider by MediFind in the treatment of Hiatal Hernia. His top areas of expertise are Retroperitoneal Inflammation, Gallbladder Disease, Appendicitis, Hernia Surgery, and Colostomy.