Dr. Onier Villarreal Alejandro, MD – Odessa, FL
Sebastian Wright
Updated on January 09, 2026
Dr. Onier Villarreal Alejandro is an emergency medicine and critical care physician in Trinity, FL and is affiliated with multiple hospitals in the area, including Bayfront Health Brooksville, Bayfront Health Spring Hill, and Bayfront Health Seven Rivers. He received his medical degree from University of Puerto Rico School of Medicine and his sub specialty training from University of Maryland. He has been in practice 13 years. He also speaks multiple languages, including Spanish. He specializes in critical care medicine and is experienced in critical care medicine, general emergency medicine, trauma, emergency medical services, and healthcare administration.