DEFINITION of 'Preferred Provider Organization â PPO'. A type of health insurance arrangement that allows plan participants relative freedom to choose the doctors and hospitals they want to visit.
Dr. David M Keith attended and graduated from Medical University Of South Carolina College Of Medicine in 1976. NPPES Info. NPI #: 1487677712; NPI Enumeration Date: Wednesday, July 26, 2006; NPPES Last Update: Thursday, April 7, 2016
Keith Brian Alexander (born December 2, 1951) is a retired four-star general of the United States Army who served as Director of the National Security Agency (DIRNSA), Chief of the Central Security Service (CHCSS) and Commander of the United States Cyber Command.