Ana Miriam Ballester-Fiallo, MD

Rheumatologist in San Antonio, Texas · NPI 1811007412

Ana Ballester-Fiallo is one of 26 rheumatologists practicing in San Antonio, Texas. Ana Ballester-Fiallo practices with GMG Health Systems Associates PA.

Registry record (NPPES)

NPI
1811007412
Type
Type 1 · Individual
Primary taxonomy
Internal Medicine, Rheumatology · 207RR0500X
Address on file
1303 McCullough Ave
San Antonio, TX 78212-5609
(210) 921-3800
Enumerated
Aug 30, 2006
Record last updated
Jan 12, 2015
License states listed
TX

Medicare (CMS)

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

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Practice locations

More rheumatologists 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.