Guillermo Madero, MD

Internal medicine physician in San Antonio, Texas · NPI 1235384439

Guillermo Madero is one of 622 internal medicine physicians practicing in San Antonio, Texas. Guillermo Madero practices with GMG Health Systems Associates PA.

Registry record (NPPES)

NPI
1235384439
Type
Type 1 · Individual
Primary taxonomy
Internal Medicine · 207R00000X
Address on file
1499 Hillcrest Dr
San Antonio, TX 78228-3900
(210) 921-3800
Enumerated
Dec 2, 2008
Record last updated
Apr 8, 2024
License states listed
TX

Medicare (CMS)

Enrollment
Medicare-enrolled in TX
Internal Medicine
Revalidation due
No date set by CMS

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Practice locations

More internal medicine physicians in San Antonio

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.