Gastroenterologist in Mission, Texas · NPI 1245284801
Silvia Sy is one of 2 gastroenterologists practicing in Mission, Texas. See all gastroenterologists in Texas.
Silvia Sy practices with Silvia Castillo Sy MDPA.
Updated August 2026. Practice locations and specialty come from the CMS Doctors and Clinicians file, the registry record from NPPES, and enrollment from CMS Medicare enrollment files. NPI records are corrected at the source, through NPPES.