DATE : February 28, 2019
The Center for Health Information and Analysis (CHIA) today released an updated edition of Enrollment Trends, offering new insights into changes in health insurance coverage in Massachusetts from September 2016 through September 2018. Coverage is defined as unique Massachusetts residents with primary, medical membership in the 14 largest commercial payers, MassHealth (Medicaid), and Medicare.
Included in the February 2019 edition of Enrollment Trends are a databook, technical appendix, and Massachusetts All-Payer Claims Database (MA APCD) programming code. The databook has additional detail not included in the main report.
Enrollment Trends is produced using the MA APCD, supplemented with additional data from commercial payers, the Massachusetts Health Connector, and the Centers for Medicare and Medicaid Services.