A health economist by training, Dr. Howard's research employs economics and statistics to better understand physician decision-making and its implications for public policy. He has acted as an advisor or consultant to the Center for Medicare & Medicaid Services, MEDPAC, the American Cancer Society, the Division of Transplantation in the Department of Health and Human Services, and the Institute of Medicine. He is a member of the Cancer Prevention and Control research program at Winship Cancer Institute. He also holds memberships with CMS's Medicare Evidence Development & Coverage Advisory Committee and chairs the advisory board of the National Living Donation Assistance Center.