Nicola Mercer

$356,340.93asMedical Officer of Health and Chief Executive Officer

Employed by Wellington-Dufferin-Guelph Health Unit in 2025, according to Government of Ontario public salary records.

Salary Information

Historical salary and taxable benefits from 2008 to 2025.

YearPositionSalaryBenefitsPerformance
2025
Medical Officer of Health and Chief Executive Officer
$356,340.93
$5,476.61
1.59%
2024
Medical Officer of Health and Chief Executive Officer
$350,778.75
$5,484.38
9.43%
2023
Medical Officer of Health / Chief Executive Officer
$320,543.82
$5,511.73
17.36%
2022
Medical Officer of Health / Chief Executive Officer
$387,874.32
$5,607.84
2.48%
2021
Medical Officer of Health and Chief Executive Officer
$378,481.89
$5,529.20
22.93%
2020
Medical Officer of Health and Chief Executive Officer
$307,891.86
$655.74
1.54%
2019
Medical Officer of Health/Chief Executive Officer
$312,710.52
$649.48
0.39%
2018
Medical Officer of Health/Chief Executive Officer/Medecin-hygieniste/Directrice generale
$311,498.41
$5,409.10
3.37%
2016
Medical Officer of Health/Chief Executive Officer / Médecin-hygiéniste/Directrice générale
$301,340.14
$5,379.40
5.3%
2015
Medical Officer of Health/Chief Executive Officer / Médecin-hygiéniste/Directrice générale
$318,205.24
$655.04
4.4%
2014
Medical Officer of Health / Chief Executive Officer / Médecin-hygéniste / Directrice générale
$304,785.81
$777.92
22.32%
2010
Medical Officer of Health/Chief Executive Officer
$249,165.54
$823.12
3.13%
2009
Acting Medical Officer of Health/Chief Executive Officer
$241,602.00
$406.28
25.08%
2008
Acting Medical Officer of Health/Chief Executive Officer
$193,154.03
$100.00

Nicola Mercer, Medical Officer of Health and Chief Executive Officer at Wellington-Dufferin-Guelph Health Unit, earned a disclosed salary of $356,340.93 in 2025 on the Ontario Sunshine List. This represents a 1.59% increase over the previous year's reported salary. Nicola Mercer has appeared on the Ontario Sunshine List 14 times between 2008 and 2025, with reported earnings peaking at $387,874.32 in 2022. In addition to salary, $5,476.61 in taxable benefits was disclosed for 2025. Wellington-Dufferin-Guelph Health Unit reports under the Hospitals & Boards of Public Health sector of Ontario's public sector salary disclosure.

Top earning Medical Officer of Health and Chief Executive Officers in Wellington-Dufferin-Guelph Health Unit

NameSalary
Nicola Mercer$356,340.93
NameSalary
Eastern Ontario Health Unit
$393,472.40
Northeastern Public Health
$390,587.90
Thunder Bay District Health Unit
$386,092.44
Haliburton Kawartha Northumberland Peterborough Health Unit
$363,797.55
NameSalary
Matthew Tenenbaum
Associate Medical Officer of Health
$317,448.56
Christopher Beveridge
Vice President, Health Protection and Emergency Preparedness
$203,397.84
Rita Isley
Vice President, Community Health; Chief Nursing Officer
$193,593.29
Kyle Wilson
Vice President, Information Services and Digital Innovation; Chief Privacy Officer and Chief Information Officer
$190,968.35
David Kingma
Chief Administrative Officer
$190,968.26