At a Glance2020 Employer Rank
#361 Niagara Health System
Full 2020 roster at Niagara Health System → · See where $104,689 ranks →
Total Compensation History Total compensation by year Line chart of 2 yearly values of total compensation, from $101,220 in 2019 to $105,415 in 2020. $100K $102K $104K $106K 2019 2020 2019: $101,220 2020: $105,415 Total compensation, 2019–2020. Axis starts at $100,000, the Sunshine List disclosure threshold. Full History2019–2020 $100,565 in 2019 is worth about $121,418 in 2025 dollars.
On the List2020 Ruth C. Mazzone's $104,689 salary at Niagara Health System was about 3% below the 2020 median there, $107,979. Niagara Health System disclosed 544 salaries in 2020; Ruth C. Mazzone's total compensation of $105,415 ranked #361 among them. Ruth C. Mazzone's $104,689 salary was about 1% below the 2020 province-wide median of $105,454 for Charge Nurse. Ruth C. Mazzone has appeared on the Sunshine List at Niagara Health System 2 times, 2019–2020.
Also at Niagara Health System2020 Also at Niagara Health System, 2020 # Name Position Salary Total Details 1 Johan Viljoen Chief of Staff Executive Vice President Medical Affairs / Médecin-chef et vice-président directeur, Affaires médicales $425,899 $442,254 2 Dr.Satish Chawla Chief, Laboratory and Pathology / Chef, Laboratoire et Pathologie $418,321 $420,651 3 Dr.Dimitri Koutsogiannis Associate Director, Pathology / Directeur adjoint, Pathologie $356,846 $358,718 4 Lynn Guerriero President/Président $336,641 $350,270 5 Dr.Zuoyu Zheng Pathologist/Pathologiste $340,639 $342,371 6 Dr. Grazyna Zebrowska Pathologist/Pathologiste $337,923 $337,923 7 Angela Zangari Executive Vice-President, Finance, Redevelopment and Support Services/Vice-président exécutif, finances, réaménagement et services de soutien $310,554 $319,767 8 Linda Boich Executive Vice-President, Quality, Community Development, Mental Health and Addictions / Vice-présidente exécutif, Qualité, Développement communautaire, Santé mentale et Dépendances $285,217 $293,044 9 Derek Mcnally Executive Vice-President and Chief Nursing Officer / Vice-président exécutif, Directeur des soins infirmiers $285,217 $293,044 10 Floretta Paladino Executive Vice President, People and Organizational Development / Vice-présidente exécutif, Ressources humaines et Développement organisationnel $285,217 $293,044
Chief of Staff Executive Vice President Medical Affairs / Médecin-chef et vice-président directeur, Affaires médicales
#2 Dr.Satish Chawla
$420,651 Chief, Laboratory and Pathology / Chef, Laboratoire et Pathologie
#3 Dr.Dimitri Koutsogiannis
$358,718 Associate Director, Pathology / Directeur adjoint, Pathologie
President/Président
Pathologist/Pathologiste
#6 Dr. Grazyna Zebrowska
$337,923 Pathologist/Pathologiste
Executive Vice-President, Finance, Redevelopment and Support Services/Vice-président exécutif, finances, réaménagement et services de soutien
Executive Vice-President, Quality, Community Development, Mental Health and Addictions / Vice-présidente exécutif, Qualité, Développement communautaire, Santé mentale et Dépendances
Executive Vice-President and Chief Nursing Officer / Vice-président exécutif, Directeur des soins infirmiers
#10 Floretta Paladino
$293,044 Executive Vice President, People and Organizational Development / Vice-présidente exécutif, Ressources humaines et Développement organisationnel
View all 544 employees at Niagara Health System (2020) → Data sourced under the Ontario Public Sector Salary Disclosure Act.
Data: Ontario Public Sector Salary Disclosure, 1996–2025; last updated 2026-03-31 .
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