| 2024 | Athol Memorial Hospital Nmtc Holdings Inc. | 990 | Trustee | 0.2 | $0 | $342,707 | View return |
| 2023 | Athol Memorial Hospital Incorporated | 990 | Trustee | 0.2 | $0 | $342,707 | View return |
| 2023 | Heywood Realty Corporation | 990 | Trustee | 0.2 | $0 | $342,707 | View return |
| 2023 | Henry Heywood Memorial Hospital | 990 | Trustee | 0.2 | $0 | $342,707 | View return |
| 2023 | Athol Memorial Hospital Nmtc Holdings Inc. | 990 | Trustee | 0.2 | $0 | $332,703 | View return |
| 2023 | Heywood Healthcare Charitable Foundation Inc. | 990EZ | Trustee | 0.2 | $0 | $0 | View return |
| 2023 | Heywood Healthcare Inc. | 990EZ | Trustee | 0.2 | $0 | $0 | View return |
| 2023 | Quabbin Healthcare Inc. | 990EZ | Trustee | 0.2 | $0 | $0 | View return |
| 2022 | Heywood Healthcare Inc. | 990 | Trustee | 0.2 | $0 | $332,703 | View return |
| 2022 | Heywood Realty Corporation | 990 | Trustee | 0.2 | $0 | $332,703 | View return |
| 2022 | Henry Heywood Memorial Hospital | 990 | Trustee | 0.2 | $0 | $332,703 | View return |
| 2022 | Athol Memorial Hospital Incorporated | 990 | Trustee | 0.2 | $0 | $332,703 | View return |
| 2022 | Quabbin Healthcare Inc. | 990 | Trustee | 0.2 | $0 | $332,703 | View return |
| 2022 | Heywood Healthcare Charitable Foundation Inc. | 990EZ | Trustee | 0.2 | $0 | $0 | View return |
| 2021 | Athol Memorial Hospital Nmtc Holdings Inc. | 990 | Past Trustee | 0.2 | $0 | $276,879 | View return |
| 2021 | Heywood Healthcare Charitable Foundation Inc. | 990EZ | Trustee | 0.2 | $0 | $0 | View return |
| 2020 | Athol Memorial Hospital Incorporated | 990 | Past Trustee | 0.2 | $9,000 | $276,879 | View return |
| 2020 | Henry Heywood Memorial Hospital | 990 | Past Trustee | 0.2 | $0 | $285,879 | View return |
| 2020 | Athol Memorial Hospital Nmtc Holdings Inc. | 990 | Trustee | 0.2 | $0 | $278,691 | View return |
| 2020 | Quabbin Healthcare Inc. | 990 | Past Trustee | 0.2 | $0 | $276,879 | View return |
| 2020 | Heywood Realty Corporation | 990 | Past Trustee | 0.2 | $0 | $276,879 | View return |
| 2020 | Heywood Healthcare Inc. | 990 | Past Trustee | 0.2 | $0 | $276,879 | View return |
| 2019 | Heywood Medical Group Inc. | 990 | Trustee / Family Physician | 28 | $278,691 | $0 | View return |
| 2019 | Heywood Realty Corporation | 990 | Trustee | 0.2 | $0 | $278,691 | View return |
| 2019 | Henry Heywood Memorial Hospital | 990 | Trustee | 0.2 | $0 | $278,691 | View return |
| 2019 | Heywood Healthcare Inc. | 990 | Trustee | 1 | $0 | $278,691 | View return |
| 2019 | Athol Memorial Hospital Incorporated | 990 | Trustee | 0.2 | $0 | $278,691 | View return |
| 2019 | Quabbin Healthcare Inc. | 990 | Trustee | 0.2 | $0 | $278,691 | View return |
| 2019 | Heywood Healthcare Charitable Foundation Inc. | 990EZ | Trustee | 0.2 | $0 | $0 | View return |
| 2018 | Heywood Medical Group Inc. | 990 | Trustee/Family Physician | 28 | $274,139 | $9,000 | View return |
| 2018 | Henry Heywood Memorial Hospital | 990 | Trustee / Physician | 0 | $0 | $283,139 | View return |
| 2018 | Athol Memorial Hospital Incorporated | 990 | Trustee/Family Physician | 0.2 | $0 | $283,139 | View return |
| 2017 | Heywood Medical Group Inc. | 990 | Trustee/Family Physician | 28 | $270,752 | $9,000 | View return |
| 2017 | Athol Memorial Hospital Incorporated | 990 | Trustee/Family Physician | 0.2 | $0 | $279,752 | View return |
| 2017 | Henry Heywood Memorial Hospital | 990 | Trustee | 0.2 | $0 | $279,752 | View return |
| 2016 | Heywood Medical Group Inc. | 990 | Trustee/Family Physician | 28 | $265,992 | $9,700 | View return |
| 2016 | Henry Heywood Memorial Hospital | 990 | Trustee | 0.2 | $700 | $274,992 | View return |
| 2016 | Athol Memorial Hospital Incorporated | 990 | Trustee/Family Physician | 0.2 | $0 | $275,692 | View return |
| 2015 | Heywood Medical Group Inc. | 990 | Trustee/Physician | 28 | $327,410 | $12,100 | View return |
| 2015 | Henry Heywood Memorial Hospital | 990 | Trustee | 0.2 | $3,100 | $324,310 | View return |
| 2015 | Athol Memorial Hospital Incorporated | 990 | Trustee/Family Physician | 0.2 | $0 | $327,410 | View return |
| 2014 | Heywood Medical Group Inc. | 990 | Trustee/Physician | 28 | $197,141 | $0 | View return |
| 2014 | Athol Memorial Hospital Incorporated | 990 | Director/ Physician | 0.2 | $0 | $197,141 | View return |
| 2014 | Henry Heywood Memorial Hospital | 990 | Trustee/Physician | 0.2 | $0 | $197,141 | View return |