HealthCareAtlasUSA

This site republishes official CMS/Medicare Care Compare data. It is not medical advice and does not recommend any specific hospital or treatment — for medical decisions, talk to a doctor.

Doctors / TX

GUILLERMO D MARQUEZ, MD

GENERAL SURGERY

Graduated: 1988

NPI: 1861454563

Practice Locations (1)

RGV SURGICAL ASSOCIATES, PLLC

910 S BRYAN RD, SUITE 202

MISSION, TX 785726659

9566826126

Source: CMS National Downloadable File, September 2026.

GUILLERMO MARQUEZ, MD | HealthCareAtlasUSA