Department of Mental Health
Mental Health Worker
William Osei in 2025 was employed at Department of Mental Health and had an annual salary of $121,414, according to public records. This salary was 52 percent higher than the average and 55 percent higher than the median salary in Department of Mental Health.
Department of Mental Health records show William Osei held job of Mental Health Worker from 2020 to 2025.
In year 2025 William Osei's salary was 65 percent higher than average Mental Health Worker salary in the state of Massachusetts.
Since 2020, the salary has increased by $22,550, a total rise of 22.8 percent.
| Year | 2025 |
| Full Name | William Osei |
| Original Job Title | Mental Health Worker Iv |
| Job Title | Mental Health Worker |
| Get Mental Health Worker Salary Statistics | |
| State | Massachusetts |
| Employer | Department of Mental Health |
| Annual Wage | $121,414 |
| Pay Plan |
*Information may include where available: salary, bonuses, benefits, retirement contributions, pensions, and other financial data.
| Employer Name | Department of Mental Health |
| Year | 2025 |
| Number of Employees | 4,654 |
| Average Annual Wage | $79,931 |
| Median Annual Wage | $78,110 |
William Osei (2024)Mental Health Worker | View Person Details |
William Osei (2023)Mental Health Worker | View Person Details |
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William Osei (2020)Mental Health Worker | View Person Details |
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