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MHDO Data Release Schedule Archive

MHDO releases data on a quarterly or annual basis depending on the availability of each dataset. Below you will find the final data release schedules for MHDO datasets that have already been made available for authorized data users.

Please review the APCD and Hospital Encounter release notes and other supporting documentation for detailed information about quarterly releases.

APCD

Final Release Date Data Set Data Period
10/23/2025 Commercial Q1 - Q2 2025
MaineCare Q1 - Q2 2025
Medicare Q3 - Q4 2024
5/13/2025 Commercial Q4 2024
MaineCare Q4 2024
Medicare Q1 - Q2 2024

Hospital Encounter Data

Final Release Date Data Set Data Period
7/7/2025 Outpatient Q4 2024
7/2/2025 Inpatient Q4 2024
3/25/2025 Outpatient Q3 2024
3/18/2025 Inpatient Q3 2024

Integrated Vital Statistics

Final Release Date Data Set Data Period
October 2025 Birth 2024
Death
October 2024 Birth 2023
Death
December 2023 Birth 2015 - 2022
Death

Integrated Cancer Registry Data

Final Release Date Data Period
May 2025 2022
May 2024 2021
May 2023 2015 - 2020

Current Release Schedules

Please click here for the current release schedules.