By Gusty Thursday, 16 July 2015 AHIP Centers for Medicare and Medicaid Services cms HCA Medicare revolving doors Good Health and Turn, Turn, Turn - from Columbia/ HCA Executive, to Virginia Secretary of Health and Human Resources, to Director of the Center for Medicare and Medicaid Services (CMS), to America's Healt Insurance Plans (AHIP). Elvonda Marilyn Tavenner's career continues to revolve, er, evolve. Columbia/ HCA Marilyn Tavenner worked for Columbia / HCA, now HCA, although ...