# Pharmacy Benefit Manager Market Concentration for Prescriptions Filled at Retail Pharmacies by State and Payer Type

## TL;DR

This study analyzes how pharmacy benefit manager market concentration differs by state and type of payer for retail prescriptions.

## Contribution

It provides new insights into the variation of market concentration across states and payer types.

## Key findings

- Pharmacy benefit manager concentration varies significantly across states.
- Differences in concentration are observed between payer types.

## Abstract

This cross-sectional study examines whether and how pharmacy benefit manager concentration varies across states and payer types.