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Mack Grubb PA-C has extensive experience in advanced practice clinical settings, currently serving as an EMR Development/Lead Advanced Practice Clinician/PA at Optum since May 2017 and at USMD Health System since September 2012. Prior to these roles, Mack worked at the Medical Clinic of North Texas from October 2002 to August 2012 as an EMR Development/Physician Assistant. Mack holds a B.S. in Physician Assistant Studies from UT Southwestern Medical Center (2000-2002) and a B.A. in Psychology and Biology from Austin College (1994-1998).