US SB1173

Amends the Medicare Secondary Payer Act to prohibit group health plans from differentiating benefits between individuals with end-stage renal disease (ESRD) and other covered individuals

Prohibits health plans from applying benefit limitations, including network composition restrictions, that disparately affect individuals with ESRD

Prevents private insurers from shifting primary responsibility for covering ESRD-related healthcare costs to Medicare

Preserves health plans' ability to determine which specific renal dialysis providers and how many to include in their networks

Requires the Secretary to enforce these provisions consistent with nonconformance determination requirements in 42 CFR Part 411