Washington, D.C.

Nashville, TN


Mary V. Mason, MD, MBA, FACP

by Stephani Simmons

August 11, 2017

Executive Vice President, Chief Medical Officer,

Mary V. Mason, M.D., MBA, FACP, is the Chief Medical Officer-Envolve and Senior Vice President for Centene Corporation, a Fortune 500 company and leading multi-line healthcare enterprise that provides programs and related services to the rising number of under-insured and uninsured individuals. For nine years, she has led the development of innovative, award-winning clinical programs that dramatically improve quality and result in lower medical costs in a managed Medicaid Population.

Dr. Mason is a Clinical Instructor of Internal Medicine at the Washington University School of Medicine and an adjunct lecturer at the John Olin School of Business where she teaches Health Policy. She is a volunteer physician at Casa de Salud.

Dr. Mason is the lead author on several peer-reviewed papers focused on reducing premature births in the Medicaid population. Additionally, she wrote the Managed Care Primer, a textbook aimed at teaching medical and business students about managed care.

An active member in the community, Dr. Mason serves on the Board of Oasis and Girl Scouts of Eastern Missouri. She is also active with the Little Medical School, an after-school program designed for elementary-aged students to encourage them to consider careers in medicine. She has also been recognized as a member of the 2008 class of 40 under 40 by the St. Louis Business Journal.

Dr. Mason earned her Bachelor of Science degree in Bioengineering at the University of Illinois and her M.D. and MBA from Washington University. She completed her clinical training at the Washington University School of Medicine and Barnes-Jewish Hospital, where she was Chief Resident for the Department of Medicine. She is board-certified in internal medicine, is a fellow of the American College of Physicians and a member of Alpha Omega Alpha Medical Honorary Society.