Sauté hash browns and chicken until chicken is no longer pink; set aside.
Sauté corn, green onions, bell pepper, canned green chili's and pimento for 3-4 minutes. Add evaporated milk, whole milk, salt and pepper to skillet; Cook over medium heat until soup consistency reaches your liking.
Sprinkle 3-4 crisp corn tortillas in base of soup bowl and spoon chicken chowder mixture on top. Sprinkle soup with shredded cheddar cheese and more crisp tortillas as your heart desires.