| 2025 | The American Board of Internal Medicine | 990 | Chief Medical Officer | 40 | $490,472 | $0 | View return |
| 2024 | The American Board of Internal Medicine | 990 | Chief Medical Officer | 40 | $481,617 | $0 | View return |
| 2024 | Henry L Guenther Foundation | 990PF | Director | 20 | $110,636 | $19,545 | View return |
| 2023 | The American Board of Internal Medicine | 990 | Chief Medical Officer | 40 | $458,872 | $0 | View return |
| 2023 | Henry L Guenther Foundation | 990PF | Director | 20 | $84,287 | $20,402 | View return |
| 2023 | St Charles Housing Inc D/B/A Villa San Carlos | 990 | Director | - | $0 | $0 | View return |
| 2023 | Windsor Square-Hancock Park Historical Society (Rancho La Brea) | 990EZ | President/Bd Of Trustees | 7.7 | $0 | $0 | View return |
| 2022 | The American Board of Internal Medicine | 990 | Chief Medical Officer | 40 | $458,986 | $0 | View return |
| 2022 | Henry L Guenther Foundation | 990PF | Director | 20 | $80,674 | $22,810 | View return |
| 2022 | St Charles Housing Inc D/B/A Villa San Carlos | 990 | Director | - | $0 | $0 | View return |
| 2022 | St Charles Housing II Inc D/B/A Villa San Carlos II | 990 | Director | - | $0 | $0 | View return |
| 2021 | The American Board of Internal Medicine | 990 | Chief Medical Officer | 40 | $464,982 | $0 | View return |
| 2021 | Henry L Guenther Foundation | 990PF | Director | 20 | $76,450 | $20,666 | View return |
| 2021 | St Charles Housing II Inc D/B/A Villa San Carlos II | 990 | Director | - | $0 | $0 | View return |
| 2021 | St Charles Housing Inc D/B/A Villa San Carlos | 990 | Director | - | $0 | $0 | View return |
| 2020 | The American Board of Internal Medicine | 990 | Chief Medical Officer | 40 | $462,947 | $0 | View return |
| 2020 | Henry L Guenther Foundation | 990PF | Director | 20 | $73,150 | $21,692 | View return |
| 2020 | St Charles Housing Inc D/B/A Villa San Carlos | 990 | Director | - | $0 | $0 | View return |
| 2020 | St Charles Housing II Inc D/B/A Villa San Carlos II | 990 | Director | - | $0 | $0 | View return |
| 2019 | The American Board of Internal Medicine | 990 | Chief Medical Officer | 40 | $439,299 | $0 | View return |
| 2019 | Henry L Guenther Foundation | 990PF | Director | 20 | $69,500 | $18,325 | View return |
| 2019 | Health Foundation for Western & Central New York Inc. | 990PF | Trustee | 4 | $0 | $0 | View return |
| 2018 | The American Board of Internal Medicine | 990 | Chief Medical Officer | 40 | $438,356 | $0 | View return |
| 2018 | Henry L Guenther Foundation | 990PF | Director | 20 | $67,500 | $15,121 | View return |
| 2017 | The American Board of Internal Medicine | 990 | Chief Medical Officer | 40 | $414,554 | $0 | View return |
| 2017 | Henry L Guenther Foundation | 990PF | Director/Treasurer | 20 | $77,614 | $15,355 | View return |
| 2016 | Henry L Guenther Foundation | 990PF | Director/Treasurer | 20 | $113,975 | $18,162 | View return |
| 2016 | Melrose Park Chamber of Commerce | 990EZ | President/Tr | 5 | $0 | - | View return |