Slice off stems of chiles and remove seeds and veins. Boil water in a large pot and add in peppers. Lower heat and simmer 2 to 3 minutes until peppers are tender. Strain and let cool.
Heat a cooking spray coated frying pan over medium heat. Cook jalapeno, garlic, and oregano 2 to 3 minutes.
Combine cream cheese, white cheese, beans, and jalapeno chili mixture. Spoon mixture into poblano chilies. Pour oil in a frying pan and cook stuffed chilies over medium to medium-high 6 to 8 minutes, until golden on all sides.