Introduction Last year our HCA Healthcare colleagues invested over 156,000 hours volunteering in our communities. As a(an) MRI Tech PRN with South Texas Radiology Imaging Centers you can be a part of an organization that is devoted to giving back! Benefits South Texas Radiology Imaging Centers 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 common ser…