Katrina Kosmowski
Southlake Health/Nurse Practitioner
2025 Salary
$155,670Total compensation $156,227, including $557 in taxable benefits.
Source: Ontario’s Public Sector Salary Disclosure — names paid $100,000 or more that year. How we build this · Report an error on this page
At a Glance
2025
Employer Rank
#121Southlake Health
Years on List
92017–2025
Peak Salary
$155,6702025
Full 2025 roster at Southlake Health →·See where $155,670 ranks →
Total Compensation History
Full History
2017–2025
$113,859 in 2017 is worth about $143,372 in 2025 dollars.
| Year | Position | Salary |
|---|---|---|
| 2025 | Nurse PractitionerSouthlake Health | $155,670Benefits $557Total $156,227 |
| 2024 | Nurse PractitionerSouthlake Regional Health Centre | $150,014Benefits $548Total $150,562 |
| 2023 | Nurse PractitionerSouthlake Regional Health Centre | $152,929Benefits $535Total $153,464 |
| 2022 | Nurse PractitionerSouthlake Regional Health Centre | $135,662Benefits $551Total $136,213 |
| 2021 | Nurse PractitionerSouthlake Regional Health Centre | $126,108Benefits $544Total $126,653 |
| 2020 | Nurse PractitionerSouthlake Regional Health Centre | $134,997Benefits $549Total $135,546 |
| 2019 | Nurse PractitionerSouthlake Regional Health Centre | $120,358Benefits $528Total $120,886 |
| 2018 | Nurse PractitionerSouthlake Regional Health Centre | $119,699Benefits $442Total $120,141 |
| 2017 | Nurse PractitionerSouthlake Regional Health Centre | $113,859Benefits $430Total $114,290 |
Take-Home Pay
(After Tax) · 2025 estimate
In 2025, Katrina Kosmowski's $155,670 salary works out to roughly $107,006 after income tax, CPP and EI — an all-in deduction rate of about 31.3%. Among those listed as Nurse Practitioner in 2025, the median was $137,553; this salary sits about 13% above it. That is about 4% more than the $150,014 paid in 2024. Pension contributions — likely HOOPP in the Hospitals & Boards of Public Health sector — would typically trim another 7–10% off that figure.
- Estimated net pay
- ~$107,006
- Effective income-tax rate (excl. CPP/EI)
- ~27.7%
- CPP + EI contributions
- ~$5,507
- All-in deduction rate (incl. CPP/EI)
- ~31.3%
- vs. 2025 Nurse Practitioner median
- +13%
Where does $155,670 rank on the Sunshine List? →
Estimate only: 2025 federal and Ontario rates, basic personal amounts, Canada employment amount and CPP/EI credits; single, employment income only, salary treated as full-year income. Ignores pension contributions (OMERS, HOOPP, OTPP, OPTrust and similar plans lower actual take-home), union dues, RRSPs and benefits.