Diagnostic Clinics in Ontario
38 diagnostic clinics in 6 Ontario cities. Compare patient ratings, check hours, and find one near you.
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Top rated diagnostic clinics in Ontario
Highly rated clinics with patient reviews.
The Lab
Paracel Laboratories
Dynacare Collection Centre
Gamma-Dynacare Medical Laboratories
CML HealthCare Inc.
Med-Health Laboratories Ltd.
KMH Labs: Cardiology, Nuclear Medicine & PET/CT - Mississauga (West)
Hamilton Regional Laboratory Medicine Program
Elite Care Lab
Roseville Lab
TLC Med Lab
Alpha Labs - Vaughan - Rutherford Road
Diagnostic Clinics by city
Every Ontario city with a diagnostic clinic page.
Smaller communities
Diagnostic Clinics in Ontario communities with fewer than three listings.
AcculabBarrie
LifelabsBarrie
Microcell Sciences Inc.Burlington
Alpha Labs - CambridgeCambridge
Spectro MedicalCambridgeAlpha Labs - Collingwood - Huron StreetCollingwoodAlpha Labs - Erin - Thompson CrescentErin
PEAK Sleep Clinic - KitchenerKitchener
Kitchener-Waterloo Vascular LaboratoryKitchener
Alpha Labs - Markham - Yonge StreetMarkham
Good Health Markham Cardiac ClinicMarkham
Medsleep Milton Sleep ClinicMilton
Canadian Vascular LaboratoriesNewmarket
Diagnostic Sleep ClinicNorth BayAlpha Labs - Orillia - Memorial AvenueOrillia
FlowLabs OshawaOshawa
KMH Labs: Cardiology & Nuclear Medicine - St. CatharinesSt. CatharinesAlpha Labs - StaynerStaynerAlpha Labs - Stratford - Douro StreetStratford
HOSPITAL ALLIANCE GROUPTimminsAlpha Labs - Uxbridge - Campbell DriveUxbridgeAlpha Labs - Welland - Prince Charles DriveWellandAlpha Labs - Whitby - Anderson StreetWhitbyDiagnostic Clinics outside office hours
Diagnostic Clinics in Ontario that list evening and weekend hours.
If it is life-threatening, call 911 or go to the nearest emergency department.
About diagnostic clinics in Ontario
Ontario has 38 diagnostic clinics listed on ClinicFinder across 6 cities, from Toronto and Mississauga to smaller communities. Each listing shows hours, patient ratings, contact details, and directions.
In Ontario, 25 list Saturday hours, 2 list Sunday hours, and 1 stays open until 8:00 PM or later on at least one day. The average patient rating is 3.9 out of 5, and 6 clinics are rated 4.5 or higher.
Other care in Ontario
Related types of care listed across the province.
Diagnostic Clinics in other provinces
The largest provinces by number of diagnostic clinics.
Questions about diagnostic clinics in Ontario
Answers from the listings above and Ontario's health plan.
What should I check before visiting a diagnostic clinic in Ontario?
Check that they are taking new patients and confirm today's hours before you go, since both can change without notice. Bring your provincial health card. Listings above show ratings, hours, and contact details for every diagnostic clinic in Ontario.
Which city in Ontario has the most diagnostic clinics?
Toronto has the most diagnostic clinics in Ontario with 14 listed clinics, followed by Mississauga (6) and Windsor (6).
How do I find diagnostic clinics near me in Ontario?
Browse the city listings above to find diagnostic clinics in your area. Each city page on ClinicFinder.ca shows clinics sorted by patient rating with an interactive map, hours of operation, and contact details.
Are diagnostic clinic visits covered by health insurance in Ontario?
OHIP covers medically necessary physician services. Children 17 and under and low-income seniors 65+ may qualify for dental care through provincial programs. Full details are on the OHIP page. Health Canada publishes an overview of Canada's health care system.
Do I need a referral to visit a diagnostic clinic in Ontario?
Referral requirements vary by service type and province. Contact the clinic directly for details.
What cities in Ontario have diagnostic clinics?
Diagnostic clinics are listed in 6 cities across Ontario, including Toronto, Mississauga, Windsor, London, Vaughan, Hamilton. Select a city above to browse listings.
Run a diagnostic clinic in Ontario?
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