Mark Yarchoan is an oncologist in Baltimore, caring for patients with gastrointestinal cancers. His clinical focus is on cancers of the liver, including hepatocellular carcinoma, biliary tract cancers, and fibrolamellar hepatocellular carcinoma.

Dr. Yarchoan received his undergraduate degree (cum laude) in neuroscience from Amherst College and earned his M.D. from the Perelman School of Medicine at the University of Pennsylvania. He completed his residency in internal medicine at the Hospital of the University of Pennsylvania and performed a fellowship in medical oncology at Johns Hopkins University School of Medicine. Dr. Yarchoan joined the Johns Hopkins faculty in 2018.

He directs laboratory research focused on the discovery of novel cancer immunotherapies for hepatobiliary cancers.

Dr. Yarchoan co-leads the Liver Cancer Multidisciplinary Clinic. He has been recognized with an ASCO Young Investigator Award, and the Director’s Teaching Award in Clinical Science, the Cholangiocarcinoma Foundation’s Mark R. Clements Award, and a Conquer Cancer Foundation/ASCO Career Development Award.

Mark Yarchoan MD
Assistant Professor of Oncology
John Hopkins Medicine