No. It represents total health spending in Canada.
This spending includes medicare and all amounts spent by the provinces. This line only represents public health care spending. This line includes everything which CIHI, the Canadian Institute for Health Information, deems as being public health care spending. For example, it would include medication, lodging services, services at home, and so on.
In short, the line includes all public health care spending, whether it is provincial or federal spending. The federal government, among other things, also provides health care services to the military, to veterans and to first nations.