The reviews listed below were collected independently of Gonzaba Medical Group through rater8. Each review represents an authentic and verified patient experience.
Bery noci doc
(4 days ago)
Dec-2025
Mrs. Ballester, toke her time with me, she is caring person , answer all my medical questions and gave information on my questions .
(4 days ago)
Dec-2025
She’s very outstanding doctor. I’m very proud of her. Keep up the good work.
(6 days ago)
Dec-2025
Dr Ballester is great! I hope she never retires! Very thorough and excellent bedside manner. I have several issues and I feel like she is trying to connect the dots! Finally!
(2 weeks ago)
Dec-2025
Very Professional
(3 weeks ago)
Dec-2025
She was the best to me!
(1 month ago)
Dec-2025
The best doctor in the entire Gonzaba group.
(1 month ago)
Nov-2025
Awesome Dr. Answers all questions and more. CARES about her patients health.
And most of all listens to them.
(1 month ago)
Nov-2025
She is the best at her job very knowledgeable.
(1 month ago)
Nov-2025
She is the best and cool doctor
(1 month ago)
Nov-2025
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Downtown Clinic (Family)
1303 McCullough Ave Suite 170 San Antonio., TX 78212
Dr. Ana Ballester-Fiallo, a native of Puerto Rico, moved to San Antonio in 1987. She earned her medical degree from the University of Puerto Rico School of Medicine and went on to continue her residency at the University District Hospital in San Juan, Puerto Rico. Dr. Ballester served in the Armed Forces (Army) during Desert Storm 1989-1993. Dr. Ballester-Fiallo completed a Fellowship in Rheumatology at the University of Puerto Rico and University District Hospital. She also received a Fellowship in Clinical Immunology from the UT Health Science Center in San Antonio.
Dr. Ballester-Fiallo is Board Certified in Rheumatology and Internal Medicine. She was also an Instructor of Medicine at the University of Puerto Rico and UT Health Science Center in San Antonio. She joined Gonzaba Medical Group as a Rheumatology Specialist in 2014.
Dr. Ballester-Fiallo is fluent in English and Spanish.
Education University of Puerto Rico School of Medicine
Bery noci doc
Mrs. Ballester, toke her time with me, she is caring person , answer all my medical questions and gave information on my questions .
She’s very outstanding doctor. I’m very proud of her. Keep up the good work.
Dr Ballester is great! I hope she never retires! Very thorough and excellent bedside manner. I have several issues and I feel like she is trying to connect the dots! Finally!
Very Professional
She was the best to me!
The best doctor in the entire Gonzaba group.
Awesome Dr. Answers all questions and more. CARES about her patients health. And most of all listens to them.
She is the best at her job very knowledgeable.
She is the best and cool doctor