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Joyce M. Koh, MD

Gastroenterology

Joyce M. Koh, MD

Montgomery Gastroenterology

4.9 / 5 across 113 reviews (Zocdoc)

Board certified

Dr. Joyce M. Koh is a board-certified gastroenterologist at Montgomery Gastroenterology in Silver Spring, MD, certified by the American Board of Internal Medicine in both internal medicine and gastroenterology. She cares for adults with the full range of digestive and liver concerns.

Background and training

Dr. Koh graduated with high honors from Harvard College before earning her medical degree from the Pennsylvania State University College of Medicine. She completed her internal medicine residency at Johns Hopkins Bayview Medical Center and her gastroenterology fellowship at the Johns Hopkins University School of Medicine in Baltimore.

Why patients choose Dr. Koh

Patients consistently describe Dr. Koh as thorough and compassionate — reflected in a 4.91-star Zocdoc rating across 113 reviews, including a 4.95 out of 5 score for bedside manner. Her Johns Hopkins training and careful, patient-first style make her a strong choice for anything from a routine screening colonoscopy to the workup of complex digestive symptoms.

Practice focus

Colon cancer screening and colonoscopy, acid reflux and GERD, abdominal pain, and general gastroenterology and digestive care.

Languages and access

Dr. Koh sees patients in English at Montgomery Gastroenterology in Silver Spring. Confirm procedure location, prep instructions, and insurance coverage with the office before scheduling.

Profile last fact-checked July 1, 2026. Information reflects publicly available sources and may change. Confirm details directly with the practice before booking.

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