Make the marinade by adding chipotle peppers, garlic cloves, lemon juice, salt, and pepper in a food processor. Blend until smooth.
Reserve 1 ½ tbsp of the marinade for the chipotle sauce.
In a bowl, add the chicken and pour the remaining marinade mixture over the chicken, onion powder, and black pepper. Add oil and mix well.
Heat a skillet over medium high heat. Add the chicken and cook until browned and cooked through.
To make the chipotle yogurt sauce, combine yogurt, mayonnaise, lemon juice, salt, pepper, garlic powder, and reserved chipotle sauce in a bowl. Mix well. Stir in chopped parsley.
Assemble the wrap by adding the chicken, mozzarella cheese, chipotle yogurt sauce, red onion, bell peppers, and romaine lettuce in a tortilla.