Thomas Mason

Office of Programs and Engagement

Dr. Thomas Mason is the Chief Medical Officer (CMO) and Acting Director, Office of Programs and Engagement in the Office of the National Coordinator for Health Information Technology (ONC), which is at the forefront of the nation’s health IT efforts to adopt and meaningfully use health information technology and collectively achieve health information technology interoperability as a foundational element of better health for everyone in America. Dr. Mason leads and champions clinical oversight of ONC programs and clinical coordination within ONC.

Dr. Mason is a board-certified internist with an emphasis on primary care and preventative medicine with 14 years of clinical experience. Throughout his career, he has led the implementation of multiple electronic health record systems. Dr. Mason also has more than 10 years of additional experience and training in the principles of public health and population medicine.