US Digestive Health
Mark Johnston, M.D. is a skilled gastroenterologist currently serving at US Digestive Health since June 2022. Prior to this role, Mark Johnston held significant positions at Lancaster Gastroenterology Inc., where Mark was both a partner and owner from October 2005 until March 2023. Additionally, Mark Johnston contributed to the National Naval Medical Center as Chief of Gastroenterology from July 2003 to September 2005.
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US Digestive Health
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US Digestive Health works with world-class physicians around the Greater Philadelphia area, as well as Lancaster, Berks, and Carlisle counties, to provide all the backend services and operations management so the physicians can focus on their patients. As an empowering resource to our physician partners and a resource to them, allowing them to focus on compassionate and exceptional care to their patients, US Digestive Health is committed connecting communities to better digestive health by providing easy and convenient access to comprehensive gastroenterology services. By extending our network of locations and providers, we ensure that patients can be seen at the right time, in the right place, by the right provider. Our goal is to ensure that our physician partners can make diagnoses as quickly and accurately as possible in order to expedite treatment and reduce both pain and anxiety.