Temporary changes to services due to COVID-19.  See below for details.

Contact Information

Greenbrook Clinic (main site)

421 Greenbrook Drive Unit #23B 
Kitchener, ON N2M 4K1
Phone: 519-578-3510
Fax: 519-578-6040
Phone calls at our Greenbrook site are answered Monday
to Friday from 8:30 a.m. - 4:00 p.m.

Clinic Hours

Effective March 17th, 2020 our office hours are Monday to
Friday from 8:30 a.m. - 2:00 p.m.

Dr. Balraj Sing's Clinic

Effective May 1st: 
430 The Boardwalk, Suite #208
Waterloo, ON N2T 0C1
Phone: 519-742-0107
Fax: 519-742-4657

Clinic Hours


After Hours Clinic

Monday to Friday from 2:00 - 5:00 p.m

Saturday and Sunday from 9:00 a.m. - 12:00 p.m.

We are no longer see patients on a walk-in basis in our Saturday and Sunday on-call clinics. Patients MUST FIRST call Telehealth Ontario at 1-866-553-7205 in order for symptoms to be assessed by a Telehealth Registered Nurse who will then advise if symptoms require medical attention. Our after-hours clinic is for URGENT medical problems. 


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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