NSIEN, EPHRAIM E MD is categorized under PHYSICIANS & SURGEONS specializing in GASTROENTEROLOGY and located at 8200 N Mopac Expy. Ste. 295 in or near the Austin, TX area. Find additional information including website, e-mail, map, and directions - OriginalYP.com®. Find additional PHYSICIANS & SURGEONS at MedicalYP.com ®.