No the wattage used in clinical phototherapy is much higher and concentrated in specific bands.

My much less powerful home phototherapy light weighs about 20 lbs and I have to cover my eyes with multiple layers to use it.

It does not. The red pixels don’t get any redder, it’s just turning down the other ones. These being LEDs, it has a sharp spike in the visual spectrum instead of a black-body curve that would cross into infrared.

670nm is still visible red light. Infra-red starts at wave lengths above 750