Heat oil over medium heat in a large heavy bottomed pot. Add diced onion to the warm oil and saute until soft and fragrant - stirring frequently
Reduce head to low and add salt, smoked paprika, cinnamon, crushed red pepper, and ground nutmeg to the pan and stir. Allow the spices to toast for a couple minutes then add the pumpkin puree and tomato paste and stir again.
Add the pasta and water to the pot and stir until evenly combined. Increase heat to high and bring mixture to a boil. Once boiling, cover the pot and reduce to a simmer.
Simmer on low for 12-14 minutes - stirring frequently. Taste the pasta to be sure its cooked aldente, then remove from the heat.
Add the cream cheese and parmesan cheese to the pot and cover again to let the cream cheese melt for a few minutes. After a few minutes remove the lid and stir until the cheese is evenly mixed in.
Serve immediately with extra parmesan cheese on top.