1. Preheat your oven to 475°F (245°C).
2. Roll out the pizza dough on a floured surface to your desired thickness.
3. Transfer the dough to a pizza stone or baking sheet.
4. Brush the dough with olive oil.
5. Evenly spread the chopped spinach over the dough.
6. Sprinkle the crumbled feta cheese and shredded mozzarella cheese on top.
7. Season with oregano, garlic powder, salt, and pepper.
8. Bake in the preheated oven for 15-20 minutes, or until the crust is golden and the cheese is bubbly.
9. Remove from the oven, let it cool for a few minutes, slice, and serve.