Companion Care Needed - Full-time / Part-time

I need senior care provider with experience. Our care concerns: Help getting from bed to bathroom and back using wheelchair. Help pulling down and pulling up adult diapers. Changing diapers if needed. Administering meds, if needed. Overseeing PT and OT exercises done from bed and wheelchair. Patient is mentally sharp, but has Parkinson's and serious back problems. Is bedridden.