Preheat oven to 350. Coat a 12 count muffin pan with cooking spray or line with cupcake liners.
Add oats to a blender and pulse until finely ground.
Add baking powder, pumpkin pie spice, baking soda and salt. Pulse a couple of times to blend.
Add eggs, pumpkin, brown sugar, oil, and vanilla. Puree until smooth. Stir in chocolate chips.
Fill muffin cups ⅔ full.
Bake in oven for 18-20 minutes or until a toothpick inserted in the center comes out clean. Cool in pan on wire rack for 10 minutes, then remove from pan to cool completely.
Notes
Oats are naturally gluten free, however they can become cross contaminated in plants that also process wheat. To be gluten free, check for gluten free oats.