| 2024 | The Physicians Foundation Inc C/O William Mahon | 990 | Member | 5 | $13,500 | $0 | View return |
| 2024 | Polk County Medical Foundation | 990EZ | Treasurer | 0 | $0 | - | View return |
| 2024 | Polk County Medical Assoication Inc | 990EZ | Board Chair | 0 | $0 | - | View return |
| 2023 | The Physicians Foundation Inc C/O William Mahon | 990 | Member | 5 | $12,000 | $0 | View return |
| 2023 | Polk County Medical Foundation | 990EZ | Treasurer | 0 | $0 | - | View return |
| 2023 | Polk County Medical Assoication Inc | 990EZ | Board Chair | 0 | $0 | - | View return |
| 2022 | The Physicians Foundation Inc C/O William Mahon | 990 | Member | 5 | $12,000 | $0 | View return |
| 2022 | Polk County Medical Foundation | 990EZ | Board Chair | 0 | $0 | - | View return |
| 2022 | Polk County Medical Assoication Inc | 990EZ | Board Chair | 0 | $0 | - | View return |
| 2021 | The Physicians Foundation Inc C/O William Mahon | 990 | Member | 5 | $14,000 | $0 | View return |
| 2021 | Polk County Medical Assoication Inc | 990EZ | Board Chair | 0 | $0 | - | View return |
| 2021 | Polk County Medical Foundation | 990EZ | Board Chair | 0 | $0 | - | View return |
| 2021 | Polk County Medical Assoication Inc | 990EZ | Board Chair | 0 | $0 | - | View return |
| 2020 | The Physicians Foundation Inc C/O William Mahon | 990 | Member | 5 | $15,000 | $0 | View return |
| 2020 | Polk County Medical Foundation | 990EZ | Board Chair | 0 | $0 | - | View return |
| 2020 | Polk County Medical Assoication Inc | 990EZ | Board Chair | 0 | $0 | - | View return |
| 2019 | The Physicians Foundation Inc C/O William Mahon | 990 | Member | 5 | $12,000 | $0 | View return |
| 2019 | Polk County Medical Assoication Inc | 990EZ | Board Chair | 0 | $0 | - | View return |
| 2019 | Polk County Medical Foundation | 990EZ | Board Chair | 0 | $0 | - | View return |
| 2018 | The Physicians Foundation Inc C/O William Mahon | 990 | Member | 5 | $12,000 | $0 | View return |
| 2018 | Polk County Medical Assoication Inc | 990EZ | Board Chair | 0 | $0 | - | View return |
| 2018 | Polk County Medical Foundation | 990EZ | Board Chair | 0 | $0 | - | View return |
| 2017 | The Physicians Foundation Inc C/O William Mahon | 990 | Member | 5 | $10,000 | $0 | View return |
| 2017 | Polk County Medical Assoication Inc | 990EZ | Board Chair | 0 | $0 | - | View return |
| 2017 | Polk County Medical Foundation | 990EZ | Board Chair | 0 | $0 | - | View return |
| 2016 | Polk County Medical Foundation | 990EZ | Board Chair | 0 | $0 | - | View return |
| 2016 | Polk County Medical Assoication Inc | 990EZ | Board Chair | 0 | $0 | - | View return |
| 2015 | Polk County Medical Foundation | 990EZ | Board Chair | 0 | $0 | - | View return |
| 2015 | Polk County Medical Assoication Inc | 990EZ | Board Chair | 0 | $0 | - | View return |
| 2014 | Polk County Medical Foundation | 990EZ | Board Chair | 0 | $0 | - | View return |
| 2014 | Polk County Medical Assoication Inc | 990EZ | Board Chair | 0 | $0 | - | View return |
| 2013 | Polk County Medical Foundation | 990EZ | Board Chair | 0 | $0 | - | View return |
| 2013 | Polk County Medical Assoication Inc | 990EZ | Board Chair | 0 | $0 | - | View return |