1. What is a MAC? 12 Part A/B MAC jurisdictions
4 Durable Medical Equipment (DME) MAC jurisdictions
NGS handles JK and J6 A/B
includes Home Health and Hospice (HH+H) as well as Federally Qualified Health Centers (FQHCs) under Medicare Part A.
CMS relies on Medicare Administrative Contractors (MACs) to serve as the primary operational contact between the Medicare Fee-for-Service (FFS) program and enrolled health care providers for Medicare Part A (hospital) and Part B (medical).

2. MAC Responsibilities Data analysis
Educate and train providers for proper billing
Ensure services are coded and billed correctly
Make proper payments
Process first level appeals
Enroll Medicare providers
Process claims accurately and timely
Determine medical necessity from national coverage and develop local coverage where needed
Respond to Inquiries
Coordination with other government and health care entities
Collect Overpayments
Timely processing

3. The HUB of the Medicare FFS Program
NGS interacts with the following entities:
Benefits Coordination & Recovery Center (BCRC)
Recovery
Auditors (RAs)
Qualified Independent Contractors (QICs)
Supplemental Medical Review Contractor (SMRCs)
Medicare Administrative Contractors (MACs)
Zone Program Integrity Contractors (ZPICs)
Call Center Operations (COO)
Quality Improvement Organizations (QIOs)
CMS Regional Office Survey & Certification
Healthcare Integrated General Ledger Accounting System (HIGLAS)
Virtual Data Centers (VDCs)

4. Phone calls answered in 2017 Part A and B providers served
NGS
3,300,000
Phone calls answered in 2017
225,000,000 Claims processed in 2017
Excess of $1 billion
paid each month
400,000
Part A and B providers served
NGS Total MAC Savings to the Trust Fund in 2017: $283.4 million (Medical Review only)
NGS Total JK/J6 Administrative Savings from OY3 to OY4: Over $5.2 million