Nikiya Asamoah-Clark is a Gastroenterologist in Washington, Washington, D.c.. Dr. Asamoah-Clark is rated as an Experienced provider by MediFind in the treatment of Esophagitis. Her top areas of expertise are Ulcerative Colitis, Crohn's Disease, Familial Adenomatous Polyposis, Endoscopy, and Gastrectomy.

Dr. Kathryn E. Kirk is a gastroenterologist affiliated with Sibley Memorial Hospital, George Washington University Hospital, Washington Hospital Center and the University of Maryland Baltimore Washington Medical Center. She practices out of Capital Digestive Care’s Metropolitan Gastroenterology Group in Washington, D.C., Chevy Chase, Md. and Bethesda, Md. Dr. Kirk has an expertise in gastroesophageal reflux disease, colorectal cancer screening and irritable bowel syndrome. She has special interests in colon cancer screening and prevention, celiac disease and eosinophilic esophagitis. Dr. Kirk earned her undergraduate degree from Princeton University and her medical degree from Weill Medical College of Cornell University. She completed a residency in internal medicine at Beth Israel Medical Center, followed by fellowships in hepatology and gastroenterology at Mount Sinai Hospital. Dr. Kirk is a member of the American College of Gastroenterology, the American Society for Gastrointestinal Endoscopy, the Crohn’s and Colitis Foundation of America and the American Gastroenterological Association. Dr. Kirk has been consistently recognized as a Top Doctor by Washingtonian magazine. Dr. Kirk is rated as an Advanced provider by MediFind in the treatment of Esophagitis. Her top areas of expertise are Crohn's Disease, Ulcerative Colitis, Gastroesophageal Reflux Disease (GERD), and Eosinophilic Colitis.

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

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 Esophagitis. His top areas of expertise are Crohn's Disease, Ulcerative Colitis, Eosinophilic Colitis, Endoscopy, and Gastrectomy.

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

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

Paneez Khoury is a primary care provider, practicing in Internal Medicine in Bethesda, Maryland. Dr. Khoury is rated as a Distinguished provider by MediFind in the treatment of Esophagitis. Her top areas of expertise are Hypereosinophilic Syndrome, Granulomatosis with Polyangiitis, Esophagitis, Eosinophilic Esophagitis, and Tissue Biopsy.

Olaya Gutierrez is a Gastroenterologist in Washington, Washington, D.c.. Dr. Gutierrez is rated as an Experienced provider by MediFind in the treatment of Esophagitis. Her top areas of expertise are Achalasia, Gastroesophageal Reflux Disease (GERD), Choledocholithiasis, Endoscopy, and Lithotripsy.

Dr. Brett Parker is a general surgeon and fellowship-trained minimally invasive foregut and bariatric surgeon. He is an Assistant Professor of Surgery at Johns Hopkins and also the Program Director for the Johns Hopkins Advanced GI and Minimally Invasive Surgery Fellowship Program. Dr. Parker is an expert in minimally invasive surgical techniques including advanced laparoscopy and robotic surgery, as well as therapeutic flexible endoscopy. He is interested in promoting the evolving indications for surgical repair of hiatal hernias, as well as adjunct procedures surgeons can use to reduce recurrence rates. He offers a wide range of interventions for GERD, including innovative endoscopic therapies, and promotes early surgical referral to discuss and tailor therapy to individual patient circumstances. Dr. Parker also has a robust abdominal wall reconstruction and weight loss surgery practice. He is widely published on the surgical outcomes of foregut surgery, emerging technologies, and innovation, as well as surgical simulation and skills transfer. Dr. Parker has consistently been selected as a Washingtonian Magazine Top Doctor in 2023, 2024, and 2025. As a member of the Johns Hopkins Division of Minimally Invasive Surgery in the Greater Washington Area, Dr. Parker is dedicated to the best, individualized, patient outcomes. Learn more about Dr. Parker and his partners within the Johns Hopkins Division of Minimally Invasive Surgery, the Johns Hopkins Heartburn Center and the Johns Hopkins Motility and Neurogastroenterology Center. Dr. Parker is rated as an Experienced provider by MediFind in the treatment of Esophagitis. His top areas of expertise are Hiatal Hernia, Hernia, Congenital Diaphragmatic Hernia, Endoscopy, and Gallbladder Removal.

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 Advanced provider by MediFind in the treatment of Esophagitis. His top areas of expertise are Irritable Bowel Syndrome (IBS), Indigestion, Gastroesophageal Reflux Disease (GERD), Portal Hypertension, and Gastrectomy.

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

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 Advanced provider by MediFind in the treatment of Esophagitis. His top areas of expertise are Irritable Bowel Syndrome (IBS), Gastroesophageal Reflux Disease (GERD), Familial Adenomatous Polyposis, Endoscopy, and Colonoscopy.

Brian Kirsh, MD, specializes in gastroenterology and is board-certified by the American Board of Internal Medicine. He practices at Capital Digestive Care. Dr. Kirsh received his medical degree from the University of Toledo College of Medicine and Life Sciences and completed his residency at University of Cincinnati College of Medicine, followed by a fellowship at the University of Illinois Chicago. Dr. Kirsh is rated as an Experienced provider by MediFind in the treatment of Esophagitis. His top areas of expertise are Ulcerative Colitis, Colitis, Irritable Bowel Syndrome (IBS), Endoscopy, and Colonoscopy.

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

Samuel Kallus is a Gastroenterologist in Chevy Chase, Maryland. Dr. Kallus is rated as an Experienced provider by MediFind in the treatment of Esophagitis. His top areas of expertise are Crohn's Disease, Ulcerative Colitis, Eosinophilic Colitis, Endoscopy, and Colonoscopy.

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

Samuel Muench is a Gastroenterologist in Chevy Chase, Maryland. Dr. Muench has been practicing medicine for over 10 years and is rated as an Experienced provider by MediFind in the treatment of Esophagitis. His top areas of expertise are Gastric Dysmotility, Colitis, Viral Gastroenteritis, Gastrectomy, and Colonoscopy.

"Dr. Gary Roggin is a gastroenterologist in Bethesda, Maryland. He received his medical degree from University of Michigan Medical School and has been in practice for more than 40 years. Dr. Roggin is one of 22 doctors at Suburban Hospital who specialize in gastroenterology. Dr. Roggin truly cares about his patients and will do his best to pinpoint the real cause of your medical problems, tirelessly working with you to resolve your medical issues. He will take the time to understand your medical history to help you maintain a healthy diet and lifestyle. Videos 2015 Clinical Collaboration and Teamwork Award - Gary Roggin, M.D., Pharmacy Team, Suburban Hospital Selected Publications Roggin, G. M. ""Medicare managed care. How physicians can make it better."" Gastroenterol Clin North Am Mautner, G. C., Mautner, S. L., Lin, F., Roggin, G. M., Roberts, W. C. ""Amounts of coronary arterial luminal narrowing and composition of the material causing the narrowing in Buerger's disease."" Am J Cardiol Roggin, G. M., Iber, F. L., Kater, R. M., Tabon, F. ""Malabsorption in the chronic alcoholic."" Johns Hopkins Med J Roggin, G. M., Iber, F. L., Linscheer, W. G. ""Intraluminal fat digestion in the chronic alcoholic."" Gut Roggin, G. M., Moses, D., Kautcher, M., Wishner, W., Shuman, C. ""Ketosis and metabolic alkalosis in a patient with diabetes."" JAMA Kater, R. M., Roggin, G., Tobon, F., Zieve, P., Iber, F. L. ""Increased rate of clearance of drugs from the circulation of alcoholics."" Am J Med Sci Roggin, G. M., Banwell, J. G., Yardley, J. H., Hendrix, T. R. ""Unimpaired response of rabbit jejunum to cholera toxin after selective damage to villus epithelium."" Gastroenterology". Dr. Roggin is rated as an Experienced provider by MediFind in the treatment of Esophagitis. His top areas of expertise are Esophagitis, Crohn's Disease, Barrett Esophagus, and Gastric Dysmotility.

Dr. Jessica D. Korman is a gastroenterologist affiliated with Suburban Hospital. She practices out of Capital Digestive Care’s Metropolitan Gastroenterology Group in Washington, D.C. and Bethesda, Md. Dr. Korman has an expertise in colorectal cancer screening, as well as anal cancer screening and prevention. Dr. Korman earned her undergraduate degree from the University of Rochester and her medical degree from the Mount Sinai School of Medicine, where she conducted research with the division of liver diseases. She completed a residency in internal medicine at Montefiore Medical Center, where she also completed a fellowship in gastroenterology and was recognized by the Leo M. Davidoff Society for Outstanding Achievement in the Teaching of Medical Students. Dr. Korman also earned the Dr. Marcel Zimetbaum Complete Physician Award by the division of gastroenterology at Montefiore Medical Center. Dr. Korman is a member of the American College of Gastroenterology, the American Gastroenterological Association and the American Society for Gastrointestinal Endoscopy. Dr. Korman has been repeatedly named a Top MD in Washingtonian Magazine. Dr. Korman is rated as an Experienced provider by MediFind in the treatment of Esophagitis. Her top areas of expertise are Colonic Malakoplakia, Diarrhea, Trichohepatoenteric Syndrome, and Irritable Bowel Syndrome (IBS).

A Washington-area native, Dr. Erica R. Cohen is a highly-accomplished physician. She is a trained Inflammatory Bowel Disease specialist which gives her unique expertise in Crohn's disease, ulcerative colitis, microscopic colitis, and refractory c. difficile colitis infection. In addition, she treats a wide range of concerns such as celiac disease, colon cancer screening, and diverticular disease. Dr. Cohen is rated as an Experienced provider by MediFind in the treatment of Esophagitis. Her top areas of expertise are Diverticular Disease, Crohn's Disease, Ulcerative Colitis, Viral Gastroenteritis, and Endoscopy.