University of Maryland Community Medical Group Announces the Opening of UM CMG – Gastroenterology

BALTIMORE – University of Maryland Community Medical Group (UM CMG) announces the addition of a gastroenterology practice on the Eastern Shore, UM CMG – Gastroenterology. Previously known as Digestive Health Associates, the team of specialists will continue seeing patients at 511 Idlewild Avenue, Suite B in Easton. Patients may make an appointment by calling 410-822-6005.


Gastroenterologists diagnose, treat and prevent disorders of the digestive system, which includes the esophagus, gallbladder, stomach, small intestine and colon. Our specialists provide medical, surgical and diagnostic services for all disorders and diseases of the gastrointestinal tract. This includes gastroesophageal reflux disease (GERD) and inflammatory bowel diseases, such as Crohn’s disease and ulcerative colitis.


The practice consists of the following expert physicians and advanced practice providers:

  • Michael Fisher, MD, FACG
  • Hai-Ou Laura Jin, MD
  • Volkan Taskin, MD
  • Matthew Troshinsky, MD
  • Karen Fisher, CRNP
  • Mary Horseman, CRNP
  • Lisa Roser, CRNP

UM CMG is a University of Maryland Medical System-owned network of more than 300 primary care physicians, specialists- and advanced practice clinicians. As part of this medical group, UM CMG – Gastroenterology is affiliated with UM Shore Regional Health.


“We are excited to be bringing this practice of specialists into the UM CMG family, which will allow us to help provide expert gastroenterology services to the Eastern Shore,” says Michele Wilson, vice president of operations for UM CMG.


UM CMG consists of community-based provider practices affiliated with UM Baltimore Washington Medical Center, UM Charles Regional Medical Center, University of Maryland Medical Center Midtown Campus and UM Shore Regional Health. A list of UM CMG providers is available at


About the University of Maryland Community Medical Group


The University of Maryland Community Medical Group (UM CMG) is a multi-hospital, multi-specialty, community-based physician-led group, and part of the University of Maryland Medical System. With more than 300 primary care physicians, specialists, and advanced practice clinicians in more than 65 locations across the state, UM CMG offers patients a vast network of highly experienced providers, delivering care right in their neighborhood. For more information, visit