Medicare Business Services


About CGS

CGS has provided quality, cost-effective services and technical solutions to the Centers for Medicare & Medicaid Services (CMS) for over 50 years, impacting the lives of over 24 million Medicare beneficiaries and over 100,000 health care providers and suppliers of medical equipment in 38 states. CGS is headquartered in Nashville, Tennessee.

CGS is the Jurisdiction B and C Durable Medical Equipment Medicare Administrative Contractor (DME MAC) providing services to the states/territories of Alabama, Arkansas, Colorado, Florida, Georgia, Illinois, Indiana, Kentucky, Louisiana, Michigan, Minnesota, Mississippi, New Mexico, North Carolina, Ohio, Oklahoma, Puerto Rico, South Carolina, Tennessee, Texas, U.S. Virgin Islands, Virginia, West Virginia, and Wisconsin.

CGS is also the Jurisdiction 15 A/B Medicare Administrative Contractor (MAC) providing claims payment and services for Medicare Part A and Part B for the states of Kentucky and Ohio and Home Health & Hospice services for the states of Colorado, Delaware, D.C., Iowa, Kansas, Maryland, Missouri, Montana, Nebraska, North Dakota, South Dakota, Pennsylvania, Utah, Virginia, West Virginia, and Wyoming.

In addition, CGS provides a full suite of support services for the Medicaid program, providing states with flexibility in offering health care for those in need while reducing overall program costs.

Celerian Group

Celerian Group is a consortium of companies which helps government and private healthcare plans navigate the complexities of benefits administration in a changed marketplace. As part of Celerian Group, CGS handles Medicare and Medicaid benefits administration, claims processing, member and provider services, provider credentialing, and education.


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