Dr. Grace Shih

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

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

Manish Singla, MD, specializes in gastroenterology and is board-certified by the American Board of Internal Medicine. He practices at UPMC Western Maryland Primary Care. Dr. Singla received his medical degree from George Washington University School of Medicine and Health Sciences and completed his residency at the Naval Medical Center San Diego, followed by a fellowship at National Capital Consortium — Walter Reed National Military Medical Center. Dr. Singla is rated as a Distinguished provider by MediFind in the treatment of Irritable Bowel Syndrome (IBS). His top areas of expertise are Crohn's Disease, Viral Gastroenteritis, Irritable Bowel Syndrome (IBS), Endoscopy, and Colonoscopy.