How to use the directory
- Select either the “U.S. Search” or “International Search” tab to view a map with the locations of all doctors in the database
- Filter the list of physicians by specialty and/or location by using the drop-down boxes and clicking “search”, or enter the name of a specific doctor, city or institution in the “keyword search” box
- View the details and contact information for individual physicians by clicking a map pin, or scrolling through the provider list displayed underneath the map.
Note: If you’d like to update or add an entry to our database, please click here.
Mark Yarchoan MD, PhD
Associate Professor of Oncology
Johns Hopkins Sidney Kimmel Comprehensive Cancer Center
401 N. Broadway
Baltimore, Maryland 21231
Specialist in oncology, caring for patients with gastrointestinal cancers. Clinical activities focused on cancers of the liver, including hepatocellular carcinoma, biliary tract cancers, and fibrolamellar hepatocellular carcinoma. Co-leads the Liver Cancer Multidisciplinary Clinic. Directs laboratory research focused on the discovery of novel cancer immunotherapies for hepatobiliary cancers. Principal investigator for two current clinical trials designed specifically for FLC – one studying a therapeutic peptide vaccine in combination with checkpoint inhibition, and another studying the impact of glutamine antagonism on the cancer.