CHIA collects detailed financial and patient-level data from Massachusetts payers and providers. Data submissions are normalized to ensure completeness and validity, enabling accurate cross-payer and cross-provider research and analyses. CHIA's rich data resources are available to state agencies, providers, payers, and health care researchers seeking data for health research in the public interest.
Please call 617-701-8100 between the hours of 9:00 a.m. and 5:00 p.m., Monday through Friday if you need assistance. You can also send an email to CHIA-DL-Data-Submitter-HelpDesk@state.ma.us.