Preheat oven to 350 degrees. Spray 2 baking sheets with cooking spray or use parchment paper.
In a medium bowl mix together flour, baking powder, baking soda, cinnamon, nutmeg, ginger. and salt. Set aside.
Using electric mixer, beat butter and both sugars until combined.
Mix in egg, pumpkin, and vanilla extract.
Gradually beat in flour mixture.
Fold in chocolate chips.
Drop batter by rounded tablespoonfuls onto prepared baking sheets.
Bake for 15-18 minutes. Edges should be getting firm, but middle should still be soft.