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HB 1159

INS-PHARMACY BENEFIT MANAGERS

104th Regular Session Introduced by Thaddeus Jones and 1 co-sponsor

Illinois bill regulates pharmacy benefit manager practices to improve drug pricing transparency and pharmacy access, currently in committee review.

Added Co-Sponsor Rep. Janet Yang Rohr
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Bill Summary · HB 1159

Legislative bill overview

HB 1159 proposes regulatory reforms affecting pharmacy benefit managers (PBMs) in Illinois, though the specific provisions are not detailed in the available action history. The bill has progressed through committee assignments focused on PBM oversight and healthcare accessibility since its introduction in January 2025.

Why is this important

PBMs act as intermediaries between insurers, pharmacies, and patients, controlling drug formularies and pricing. Regulatory changes to PBM practices directly affect medication costs, pharmacy viability, and insurance premiums for Illinois residents—making this relevant to healthcare affordability and access statewide.

Potential points of contention

  • Pharmacy economics vs. cost control: Restrictions on PBM practices may increase drug costs for insurers/patients or pressure independent pharmacies, depending on provisions
  • Transparency requirements: Mandating PBM disclosure of pricing and negotiation practices could reveal proprietary business methods or reveal unfavorable terms
  • Federal authority conflicts: State-level PBM regulation may conflict with federal ERISA standards governing self-insured health plans

Compiled from official sources — confirm details with the bill’s official record.

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