Nicola Mercer
Wellington-Dufferin-Guelph Health Unit/Medical Officer of Health and Chief Executive Officer
2025 Salary
$356,341Total compensation $361,818, including $5,477 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
#1Wellington-Dufferin-Guelph Health Unit
Years on List
182008–2025
Peak Salary
$387,8742022
Full 2025 roster at Wellington-Dufferin-Guelph Health Unit →·See where $356,341 ranks →
Total Compensation History
Full History
2008–2025
$193,154 in 2008 is worth about $277,966 in 2025 dollars.
Take-Home Pay
(After Tax) · 2025 estimate
Nicola Mercer was paid $356,341 in 2025; after income tax, CPP and EI that is roughly $205,549, an effective income-tax rate of about 40.8%. Among those listed as Medical Officer of Health and Chief Executive Officer in 2025, the median was $365,720; this salary sits about 3% below it. That is about 2% more than the $350,779 paid in 2024. After pension contributions (probably HOOPP in this sector), take-home is usually a further 7–10% lower.
- Estimated net pay
- ~$205,549
- Effective income-tax rate (excl. CPP/EI)
- ~40.8%
- CPP + EI contributions
- ~$5,507
- All-in deduction rate (incl. CPP/EI)
- ~42.3%
- vs. 2025 Medical Officer of Health and Chief Executive Officer median
- −3%
Where does $356,341 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.