Heat oven to 350℉.
Line a muffin tin with baking cups or spray with baking spray. Set aside.
In a large bowl, whisk together flour, sugar, pumpkin pie spice, baking powder, baking soda, and salt. Set aside.
In a medium bowl, whisk together eggs, pumpkin, oil, and vanilla.
Add wet ingredients to dry ingredients.
Mix until fully incorporated. Do NOT over mix.
Fold in chocolate chips.
Portion batter into muffin cups, filling each about ⅔ full.
Bake for 25 minutes, or until done.