You can reach the Ontario Nurses’ Association in several ways.


General queries should be directed to Please include your full name, Union ID number if available and the name of your employer.

If you have a labour relations issue, please contact your Bargaining Unit President. You can use ONA’s email tool to send them an email.

For questions/concerns related to the ONA website, please email our web coordinator at

Update your contact information

Have you moved? Changed your name?

Please complete this online form and keep us up-to-date on changes to your contact information.

Contact your Bargaining Unit President

Please contact your Bargaining Unit President if you have queries about your contract or questions about your working conditions. You can use ONA’s email tool to send a message to your President.

Contact the Board of Directors

To contact a Board member during regular business hours, call (416) 964-8833 (Toronto) or toll-free 1-800-387-5580, hit “0” and ask to be put through to the appropriate voicemail box (in brackets below) for the Board member you are trying to reach.

Vicki McKenna, President, Communications and Government Relations/Student Liaison (#2314)

Cathryn Hoy, First Vice-President, Political Action and Professional Issues (#7755)

Pam Mancuso, Region 1, Human Rights and Equity (#7703)

Bernadette Robinson, Region 2, Education (#7756)

Andy Summers, Region 3, Labour Relations (#7754)

Laurie Brown, Region 4, Occupational Health and Safety (#7753)

Karen Bertrand, Region 5, Local Finance (#7702)

To leave a message for a Board member after hours, call (416) 964-8833 (Toronto) or toll-free 1-800-387-5580 (if using the toll-free number, hit “0” immediately after dialing the number to be connected to the Toronto office), then dial their voicemail box.

The Board also has an intake box for emergencies, monitored twice daily. To reach it, call the above numbers and dial voicemail box #7775.

ONA Offices

Effective October 7, ONA’s Toronto office at 85 Grenville Street will be temporarily inaccessible through the front door due to construction. During this construction period, visitors and staff will be required to access the building through the loading dock area or from the garage stairwell. Signage will be posted to assist with directions. Questions about this issue can be emailed to

Provincial Office

85 Grenville Street, Suite 400 (linked to map)
Toronto ON, M5S 3A2
Phone: 416-964-8833
Toll-free phone: 1-800-387-5580
Fax: 416-964-8864 Toll-free fax: 1-866-964-8864

Regional Offices

If your call/fax is local to the regional office, you should use the local dialing option where possible.

Kingston Office
4 Cataraqui Street, Suite 201 (linked to map)
Kingston, ON K7K 1Z7
Phone: 613-545-1110
Night Line: 613-545-1366
Fax: 613-531-9043
Toll-free fax: 1-866-931-9043

Hamilton Office
55 Head Street, Suite 306 (linked to map)
Dundas, ON L9H 3H8
Phone: 905-628-0850
Fax: 905-628-2557
Toll-free fax: 1-866-928-3496

London Office
1069 Wellington Road South
Suite 109
London, ON  N6E 2H6
Phone: 519 438-2153
Fax: 519-433-2050
Toll-free fax: 1-866-933-2050

Orillia Office
210 Memorial Avenue, Unit 126A (linked to map)
Orillia, ON L3V 7V1
Phone: 705-327-0404
Fax: 705-327-0511
Toll-free fax: 1-866-927-0511

Ottawa Office
1400 Clyde Avenue, Suite 211 (linked to map)
Nepean, ON K2G 3J2
Phone: 613-226-3733
Fax: 613-723-0947
Toll-free fax: 1-866-523-0947

Sudbury Office
40 Larch Street, Suite 203
Sudbury, ON  P3E 5M7
Phone: 705-560-2610
Fax: 705-560-1411
Toll-free fax: 1-866-460-1411

Thunder Bay Office
Woodgate Office Centre (linked to map)
1139 Alloy Drive, Suite 200
Thunder Bay, ON P7B 6M8
Phone: 807-344-9115
Fax: 807-344-8850
Toll-free fax: 1-866-744-8850

Timmins Office
Canadian Mental Health Association Building (linked to map)
330 Second Avenue, Suite 203
Timmins, ON P4N 8A4
Phone: 705-264-2294
Fax: 705-268-4355
Toll-free fax: 1-866-568-4355

Windsor Office
3155 Howard Avenue, Suite 220 (linked to map)
Windsor, ON N8X 3Y9
Phone: 519-966-6350
Fax: 519-972-0814
Toll-free fax: 1-866-972-0814