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I'm a Medicare provider. Who do I contact for answers to my questions?

CGS Administrators, LLC (CGS) operates as a Part A, Part B, Home Health & Hospice (HH&H), Jurisdiction 15 Medicare Administrative Contractor (MAC) for the Centers for Medicare & Medicaid Services (CMS). We are also the Durable Medical Equipment (DME) MAC for Jurisdiction B and C.

The Part B J15 MAC covers the states of Ohio and Kentucky. The MAC Website List on the Centers for Medicare & Medicaid Services (CMS) provides links to MAC websites for each state.

To contact the Part B Provider Contact Center, call 1.866.276.9558. Listen to the prompts carefully to ensure you reach the correct department. Additional contact information can be found on the Part B Contact Information Web page. Below are links to the Part A, HH&H, and DME contact information.

For RX calls, refer to the beneficiary's RX Drug card for contact information.

Medicare beneficiaries may visit www.medicare.govExternal Website or call 1.800.MEDICARE (1.800.633.4227) or TTY 1.877.486.2048 for assistance.

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