HMS Holdings Corp. (HMS) provides cost containment services to Government and private healthcare payers and sponsors. It ensures that healthcare claims are paid correctly, and its coordination of benefits services ensure that they are paid by the responsible party. Together, these services help clients recover amounts from liable third parties; prevent future improper payments; reduce fraud, waste and abuse; and ensure regulatory compliance. Its clients are the Centers for Medicare & Medicaid Services (CMS); state Medicaid agencies; commercial health plans, including Medicaid managed care, Medicare Advantage, and group health lines of business; government and private employers; Pharmacy Benefit Managers (PBMs); child support agencies; the Veterans Health Administration (VHA); and other healthcare payers and sponsors. As of December 31, 2013, it served CMS, the VHA, 46 state Medicaid agencies and the District of Columbia.