Melt butter over medium-high heat; add chopped vegetables & sauté until veggies are soft, 6-8 minutes. REDUCE HEAT to medium-low. Let pan cool for a few minutes.
Pour egg mixture over top of veggies. Spread out cream cheese chunks so they are evenly spaced.
Sprinkle cheese over top of egg. Let set 1-2 minutes. Lightly stir eggs; let set 1-2 minutes more.