Healthcare administrator’s growth in the US. Healthcare administrator’s growth by 3200% between 1975 and 2010 compared to 150% Physician growth according to Athena Health analysis of data from Bureau of Labor Statistics, the National Center of Health Statistics, and the United States Census Bureau’s Current Population survey in accordance to [26]. Admin: administration; HIPAA: Health Insurance Portability and Accountability Act; HITECH Act: Health Information Technology for Economic and Clinical Health Act; DRGs: diagnosis-related group’s.