Seton Family of Doctors at Stone Hill. Internal Medicine, Physician Assistant (PA) • 2 Providers. 1512 Town Center Dr Ste 100, Pflugerville TX, 78660. Make an Appointment. (512) 324-4875. Telehealth services available. Seton Family of Doctors at Stone Hill is a medical group practice located in Pflugerville, TX that specializes in Internal ....