LAS VEGAS – Southwest Medical, part of Optum Care has added a new health care provider to help meet the growing need for health services in the Las Vegas community: Nicole Castro Zieba, APRN joins Southwest Medical’s Tenaya Health Care Center location (2704 N. Tenaya Way) and specializes in adult medicine. About Southwest Medical Southwest Medical, part of Optum Care, … [Read more...] about Southwest Medical Adds a New Health Care Provider