At a Glance2020 Employer Rank
#250 Niagara Health System
Full 2020 roster at Niagara Health System → · See where $108,781 ranks →
Total Compensation History Total compensation by year Line chart of 2 yearly values of total compensation, from $104,848 in 2019 to $109,463 in 2020. $100K $103K $105K $108K $110K 2019 2020 2019: $104,848 2020: $109,463 Total compensation, 2019–2020. Axis starts at $100,000, the Sunshine List disclosure threshold. Full History2019–2020 $104,231 in 2019 is worth about $125,844 in 2025 dollars.
On the List2020 $100,000 is the list's disclosure floor; 205,855 salaries met it in 2020. Among the 544 people Niagara Health System disclosed in 2020, Ruth Wanjira Ndumia's total compensation of $109,463 placed #250. Ruth Wanjira Ndumia's $108,781 salary was about 3% above the 2020 province-wide median of $106,073 for Registered Nurse. Ruth Wanjira Ndumia 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 .
© 2026 SunshineList. Not affiliated with the Government of Ontario.