I would definitely exclude administrators, janitors etc (because these jobs exist in companies that are "in STEM" such as a Microsoft). I would include medical

I would definitely exclude administrators, janitors etc (because these jobs exist in companies that are "in STEM" such as a Microsoft). I would include medical staff like nurses, doctors, pharmacists, psychiatrists, physiotherapists (not fitness trainers), licensed nutritionists, dentists, dentists' assistants etc.