The Facts

• US Pres.-elect Donald Trump has nominated celebrity doctor Mehmet Oz, known as Dr. Oz, to run the Centers for Medicare and Medicaid Services (CMMS).US Pres.-elect Donald Trump has nominated celebrity doctor Mehmet Oz, known as Dr. Oz, to run the Centers for Medicare and Medicaid Services (CMS).

• Alongside medicare and medicaid, CMS, which is under the Department of Health and Human Services (HHS), manages the Affordable Care Act marketplaces. In total, it oversees the health insurance of 155M Americans.