Heat oven to 400°F. Line a 12-count muffin tin with paper baking cups.
In large mixing bowl, blend flour, sugar, baking powder, cinnamon, ginger, nutmeg, allspice, and salt.
In a separate medium bowl, stir together pumpkin, oil, eggs, and vanilla.
Blend the wet ingredients into dry just until moistened then gently fold in chocolate chips.
Divide the batter evenly into muffin cups. Bake 20-25 minutes or until toothpick inserted in the center comes out clean.