Combine tomatoes with 2 tbsp of olive oil, salt, pepper, oregano, basil, onion powder, garlic powder, and red pepper flakes. Stir to combine and set aside.
Heat remaining 1 tbsp olive oil in a skillet over medium-high heat. Add chicken and season with salt & pepper & additional Italian seasonings, if desired, to taste. Sauté till cooked through, about 3-4 minutes per side ,then remove chicken from skillet and set aside.
Add zucchini to skillet and sauté over medium heat till just tender, about 3-5 minutes. Reduce heat to medium-low and add chicken, tomatoes, and cheeses to zucchini. Toss together and serve immediately.