Most data is submitted via one of CHIA’s Web-Based Submission Platforms. A CHIA Data Reporter User Agreement is required to access and use any of CHIA’s submission platforms. Use the links below for specific data submission information or check the Submission Platform FAQs that follow.
Provider Cost Reports
Pharmacy Benefit Managers
In 2025, Massachusetts enacted Chapter 342 of the Acts of 2024 amending CHIA’s authority to require reporting from pharmacy benefit managers (PBMs).