Who We Are
Located in the heart of Kitchener, Ontario, St. Mary’s is the second-largest acute care hospital in the St. Joseph’s Health System and a Regional Cardiac Care Centre. We proudly serve the residents of Waterloo, Wellington County, and extend our reach to Dufferin, Grey-Bruce and beyond.
Our nearly 2,000 staff, physicians and volunteers provide excellent, compassionate care to hundreds of thousands of patients and families every year in our core areas of clinical focus:
- Cardiac Care (Regional Cardiac Centre)
- Respiratory Care (Level 1 Thoracic Surgery Centre)
- Outpatient (Day) Surgery
- General Medicine
- 24/7 Emergency Care
St. Mary’s core programs and services are provided at our main hospital site. Our community-based programs and services are offered at a number of locations throughout Waterloo Region and Cambridge. Click here for a list of our main site and program addresses. St. Mary’s has been a cornerstone in the community since 1924, providing patient-centred care in the tradition of our founders, the Sisters of St. Joseph of Hamilton.
Learn more about:
- Our Mission, Values & History
- Our Strategic Plan
- Our Board of Trustees
- Our Leadership
- Recognition Programs
How to Contact Us
Hospital Switchboard: 519-744-3311
Direct-dial Contacts: 519-749-6578 + extension (4 digits)
Administrative Offices Facsimilie: 519-749-6426