COVID-19 : Find updates & care resources here. If you're experiencing symptoms, call our 24-hr call centers: (406) 890-7272 for adults or (406) 890-7273 for children >

Medical Staff Directory

Medical Staff Directory
HomeMedical Staff DirectoryMary de Souza, NP

Mary de Souza, NP

Mary de Souza, NP

Oncology, Radiation

Mary attended nursing school at Westminster College in Salt Lake City, Utah. At the beginning of her career, Mary spent four years as an ICU nurse and two additional years as a trauma nurse for the University of Utah. She went on to complete her graduate degree at the University of Utah while practicing in clinical research. Much of Mary’s career has been spent in academic settings across the country. She joined Northwest Montana Radiation Oncology in November 2015.


Northwest Montana Radiation Oncology
Swank Radiation Oncology Center
343 Sunnyview Lane
Kalispell, MT 59901
p: (406) 752-1790
f: (406) 756-3529

Hospital Privileges

Kalispell Regional Medical Center
The HealthCenter

Financial Assistance

This provider subscribes to the Kalispell Regional Healthcare Financial Assistance Program.