Lab Services LifeLabs at Centennial Family Physicians LifeLabs operates a patient service centre in the Centennial Family Physicians location for patients of the Centennial clinic only. Hours of operation: Monday - Friday 8:00am to 4:00pm Closed for lunch from 11:45am to 1:00pm PLEASE NOTE: If you are a patient at one of our other clinic locations, please access an alternate lab service in the Kingston area. LifeLabs operates patient service centres at 1473 John Counter Blvd, 102-791 Princess St., and 255 Bagot St.