Sarah Heringer, PA CAP APP Other EducationRocky Mountain College (2009) Addison Internal Medicine, P.A. 17051 Dallas Pkwy Ste 150 Addison, TX 75001-7106 (972) 733-3090Directions Addison Internal Medicine, P.A. 17051 Dallas Pkwy Ste 150 Addison, TX 75001-7106 United States