Plan–Provider Integration, Premiums, and Quality in the Medicare Advantage Market

Wiley – 26 JUN 2013


To investigate how integration between Medicare Advantage plans and health care providers is related to plan premiums and quality ratings.

Data Source

We used public data from the Centers for Medicare and Medicaid Services (CMS) and the Area Resource File and private data from one large insurer. Premiums and quality ratings are from 2009 CMS administrative files and some control variables are historical.

Study Design

We estimated ordinary least-squares models for premiums and plan quality ratings, with state fixed effects and firm random effects. The key independent variable was an indicator of plan–provider integration. Read more