Apply to Ask About Our New Rates! Introduction Last year our HCA Healthcare colleagues invested over 156,000 hours volunteering in our communities. As a(an) Respiratory Therapist RRT with Medical City Dallas you can be a part of an organization that is devoted to giving back! Benefits Medical City Dallas offers a total rewards package that supports the health, life, career and retirement of our colleagues. The available plans and programs include: Comprehensive medical coverage that covers many…