Thought normal to hear pulse, vertebrae move, my voice, chewing, etc. However, eyes now twitching (flashes of light) scd? What doc do I see?

Ophthalmologist. Of all your symptoms, the flashing light is the most urgent. Although its quite common, there's a small chance of retinal detachment. To rule this out, i would see an ophthalmologist first.
Eye or ear doc first. Some of the above sounds are normal to hear in some individuals. Any of these alone are not a problem. Since you are concerned about having these various issues, i suggest you see either an eye or ear doctor, or your primary care doctor to fully evaluate you.