General surgeon in Mission, Texas · NPI 1861454563
Guillermo Marquez is one of 3 general surgeons practicing in Mission, Texas. See all general surgeons in Texas.
Guillermo Marquez practices with RGV Surgical Associates, PLLC.
Registry record (NPPES)
NPI
1861454563
Type
Type 1 · Individual
Primary taxonomy
Surgery · 208600000X
Address on file
910 S Bryan Rd Mission, TX 78572-6659 (956) 682-6126
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.