Cook pasta in large saucepan as directed on package, adding shrimp and broccoli during the last 3 minutes of cooking. Drain well.
Bring half-and-half to simmer in same saucepan on medium heat. Reduce heat to medium-low. Add cream cheese, Seasonings and salt; whisk until cheese is melted and sauce is well blended.
Return pasta, shrimp and broccoli to saucepan; toss gently to coat well. Sprinkle with grated Parmesan cheese, if desired. Serve immediately.