Mark Dumais

MD, MBA, FACP, Medical Officer


Mark Dumais, MD, MBA, FACP, serves as Medical Officer for Adventist Health White Memorial in Los Angeles and Montebello. Since March 2024, he is the senior physician leader spanning medical and clinical staff alignment and engagement, market strategy, and finance and operations-related topics.

Previously he served as Chief Medical Officer for a Los Angeles affiliate of Dignity Health. In addition, he has worked as a primary care physician, hospital medicine physician, medical educator, medical director, and medical staff leader.

Dr. Dumais holds a Doctor of Medicine degree from Harvard Medical School and a Master of Business Administration degree from Northwestern University. He completed his internship and residency in internal medicine at Duke University School of Medicine in Durham, N.C.