

Pediatrics
Mario Fierro, MD
San Antonio, TX
Dr. Mario Fierro, MD is a Developmental-Behavioral Pediatric Specialist who practices in San Antonio, TX. He is 55 years old and has been practicing for 29 years.
25+
Years in Practice
Peer Recognition
- Castle Connolly — Top Doctor
2017-2026 (10 years)
- Healthgrades — Healthgrades Honor Roll
Clinical Focus
Subspecialties
Developmental-Behavioral Pediatrics
Conditions & Treatments
ADHDAutism Spectrum DisorderDevelopmental-Behavioral Pediatrics
Practice Details
Hospital Affiliations
- Baptist Hospitals of Southeast Texas
- Childrens Medical Ctr Of Dallas
- Methodist Hospital
- Houston Methodist
Experience
25+ years in practice