LAS VEGAS – Southwest Medical has added a new healthcare provider to help meet the growing need for health services in the Las Vegas community: Benjamin Chan, MD joins Southwest Medical’s Siena Heights Healthcare Center (2845 Siena Heights Dr., Henderson) and specializes in adult medicine. About Southwest Medical Southwest Medical, part of Optum Care, was founded in … [Read more...] about Southwest Medical, Part of Optum Care, Adds New Healthcare Provider