Contact Information

Greenbrook Clinic (main site)

421 Greenbrook Drive Unit #23B 
Kitchener, ON N2M 4K1
Phone: 519-578-3510
Fax: 519-578-6040

Clinic Hours

 Hours of Operation:

Our phones will be answered Monday to Friday from 8:30 a.m. to 5:00 p.m. 

The doors will be open from 8:30 a.m. to 8:00 p.m. Monday to Thursday and from 8:30 a.m. to 5:00 p.m. on Friday.


Dr. Balraj Singh's Clinic

430 The Boardwalk, Suite #208
Waterloo, ON N2T 0C1
Phone: 519-742-0107
Please contact this number only if you are a patient of Dr. Singh
Fax: 519-742-4657
Phone calls at The Boardwalk site are answered Mondays, Tuesdays and Thursdays from 8:30 a.m. to 5:00 p.m., Wednesdays 8:30 a.m. to 12:00 p.m. and Fridays from 8:30 a.m. to 4:00 p.m.

Clinic Hours

Currently offering telephone visits unless instructed otherwise.


After Hours Clinic

All after-hours care will be in-person appointments, however, all appointments need to be pre-booked by phone.  Please do not walk into our clinic to book an appointment or seek advice.

Phones will be answered by one of our staff on Saturdays, Sundays, and statutory holidays (for urgent matters only) from 8:30 a.m. to 11:30 a.m.  

Monday to Friday after 5 p.m. and Saturday and Sunday after 11:30 a.m., please call 1-866-553-7205 to be assessed by a Telehealth Registered Nurse.



In Case of Emergency

In an emergency, you should call 9-1-1 or go to your local hospital's emergency department.

Telephone Health Advisory Service (THAS)

THAS is a free, confidential telephone service that is available to enrolled/rostered patients for health advice from a Registered Nurse when the New Vision office is closed.

THAS Phone Number: 1-866-553-7205

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