
Most people get Part A for free, but some have to pay a premium for this coverage. To be eligible for premium-free Part A, an individual must be entitled to receive Medicare based on their own earnings or those of a spouse, parent, or child.
What is a MAC in Medicare?
MACs are multi-state, regional contractors responsible for administering both Medicare Part A and Medicare Part B claims. MACs perform many activities including: Section 911 of the Medicare Prescription Drug Improvement, and Modernization Act (MMA) of 2003 directed CMS to replace the Part A Fiscal Intermediaries (FIs) and Part B carriers with MACs.
How many Medicare claims do Macs process each year?
Collectively in FY2020, the MACs processed more than 1.1 billion Medicare FFS claims, comprised of approximately 203 million Part A claims and 909 million Part B claims, and paid out approximately $400 billion in Medicare FFS benefits.
How many Macs are in the Medicare FFS program?
Currently there are 12 A/B MACs and 4 DME MACs in the program that process Medicare FFS claims for nearly 60% of the total Medicare beneficiary population, or 37.5 million Medicare FFS beneficiaries. In Fiscal Year 2020 (FY2020), the MACs served more than 1.1 million health care providers who are enrolled in the Medicare FFS program.
What is a Mac and what does it do?
MACs are multi-state, regional contractors responsible for administering both Medicare Part A and Medicare Part B claims. MACs perform many activities including:

What is the difference between RAC and MAC?
MAC audits are powerful and intrusive procedures that have the potential to lead to serious federal charges for healthcare entities. A Recovery Audit Contractor (“RAC”) reviews claims and identifies overpayments from Medicare so that CMS and other auditors are able to prevent improper payments in the future.
What does DME MAC mean?
DME MACs. The DME MACs process Medicare Durable Medical Equipment, Orthotics, and Prosthetics (DMEPOS) claims for a defined geographic area or "jurisdiction," servicing suppliers of DMEPOS.
Who is the Mac for California Medicare?
The Centers for Medicare and Medicaid Services (CMS) recently selected Noridian Healthcare Solutions to continue as its Part A and Part B Medicare Administrative Contractor for Jurisdiction E (JE) after an open competitive procurement process.
Who is the Mac for Michigan?
Welcome to MAC (Michigan Association of Counties) MAC is a nonpartisan, nonprofit organization that advances education, communication and cooperation among county government officials in Michigan. MAC is the counties' voice at the state and federal level, providing legislative support on key issues affecting counties.
Which of the following claims are handled by the DME MACs?
DME MACs handle claims for durable medical equipment, supplies, and drugs billed by physicians.
How many MACs are there for the DME?
FourHow Many Macs Exist? Currently, there are 12 Medicare Part A and B MACs that assist with Original Medicare (Medicare Parts A and B). Four of these MACs also process home health and hospice claims in addition to their typical Medicare Part A and Part B claims. There are also four durable medical equipment (DME) MACs.
What is the MAC for Texas?
The Medicaid Administrative Claiming (MAC) program provides Texas School Districts, including public charter schools, the opportunity to obtain reimbursement for certain costs related to administrative activities that support the Medicaid program.
What is the MAC for Washington state?
Medicaid alternative careMedicaid alternative care (MAC) is a Washington apple health benefit authorized under section 1115 of the Social Security Act.
What does a Zone Program Integrity Contractor do?
Zone Program Integrity Contractors (“ZPICs”) are charged with the responsibility of investigating alleged instances of fraud, waste, or abuse by health care providers.
What is the MAC for Michigan Medicare?
MAC Jurisdiction 8 (J8) - providing both Part A and Part B Medicare benefit administration for Indiana and Michigan.
What jurisdiction is Michigan in for Medicare?
Jurisdiction BJurisdiction B is serviced by CGS and includes Illinois, Indiana, Kentucky, Michigan, Minnesota, Ohio and Wisconsin.
Is national government services the same as Medicare?
National Government Services, Inc., a subsidiary of Anthem, Inc., has a long history of supporting federal health agencies, including the CMS . Throughout the country, NGS has served as a Medicare contractor since the inception of the Medicare Program over 56 years ago.
Current Maps and Lists
To find out who the current A/B and DME MACs are, use these maps and lists to help you determine which MAC is of most interest to you.
DME MACs
The DME MACs process Medicare Durable Medical Equipment, Orthotics, and Prosthetics (DMEPOS) claims for a defined geographic area or "jurisdiction," servicing suppliers of DMEPOS. Learn more about the DME MAC in each jurisdiction.
What Is a MAC?
Think of a MAC as a middleperson between you, your doctor and the Centers for Medicare & Medicaid Services (CMS). Each geographic region (also known as jurisdiction) has a specific MAC that handles the payment side of the Medicare fee-for-service program. MACs are also charged with conducting audits and educating providers.
How Many Macs Exist?
Currently, there are 12 Medicare Part A and B MACs that assist with Original Medicare (Medicare Parts A and B). Four of these MACs also process home health and hospice claims in addition to their typical Medicare Part A and Part B claims. There are also four durable medical equipment (DME) MACs.
Why Are MACs Important?
MACs are important because they ensure your doctor gets paid correctly. They also create what’s called local coverage determinations (LCD) based on whether an item or service is considered reasonable and necessary. LCDs exist in the absence of a national coverage policy, and they may vary from jurisdiction to jurisdiction.
When Would I Need to Find a Specific LCD?
You might need to find an LCD if you’re filing an LCD challenge. You can do this if you have Medicare Part A, Medicare Part B (or both), and you need the item or service that’s not covered by the LCD. However, you need to file your request within six months of the date of the treating doctor’s written statement that you need the item or service.
