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Pharmacy Benefit Manager (PBM)

A Pharmacy Benefit Manager (PBM) is a third-party company that administers prescription drug benefits for health plans and employers, negotiating drug prices with manufacturers, managing formularies, and processing pharmacy claims. PBMs significantly influence drug coverage and out-of-pocket costs.

What is a Pharmacy Benefit Manager (PBM)?

A Pharmacy Benefit Manager (PBM) is a third-party company that administers prescription drug benefits on behalf of health plans and employers. Its work includes negotiating prices with drug manufacturers, building and managing formularies, and processing pharmacy claims.

By sitting between payers, pharmacies, and manufacturers, a PBM coordinates much of the machinery that determines which drugs are covered and at what cost. It operates largely behind the scenes of the prescription a patient picks up.

Why do Pharmacy Benefit Managers (PBMs) matter?

PBMs have substantial influence over which medications are covered, how they are placed on a formulary, and what patients ultimately pay out of pocket. Their negotiations and formulary decisions can shape access to therapy on a large scale.

Because of this central role, PBMs are also a focus of scrutiny and debate about drug pricing and transparency. Understanding how they operate is important for anyone trying to make sense of prescription drug costs and coverage.

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