The Centers for Medicare & Medicaid Services (CMS) is a department of Health and Human Services (HHS). The current administrator is Seema Verma, appointed by President Donald Trump.

CMS oversees the Medicare and Medicaid programs. CMS collects and analyzes data, produces research reports, and works to eliminate instances of fraud, waste and abuse within the health care system.

WASHINGTON, D.C. (August 27, 2015)—From July 20 through 24, 2015, Medicare Fee-For-Service (FFS) health care providers, clearinghouses, and billing agencies participated in a third successful ICD-10 end-to-end testing week with all Medicare Administrative Contractors (MACs) and the Durable Medical Equipment (DME) MAC Common Electronic Data Interchange (CEDI) contractor. CMS was able to accommodate most volunteers, representing a broad cross-section of provider, claim, and submitter types.