Dr. Ayestaran specializes in pediatric nephrology for the Johns Hopkins All Children's Hospital Department of Pediatric Medicine. He is an assistant professor of pediatrics in the University of South Florida (USF) Morsani College of Medicine.
Dr. Ayestaran was named Johns Hopkins All Children’s Hospital best consulting physician in the 2019 Johns Hopkins Medicine Clinical Excellence Awards.
Dr. Ayestaran earned his medical degree from Luis Razetti School of Medicine in Venezuela. He trained as a pediatric resident in the Texas A&M University System Health Science and completed a fellowship in pediatric nephrology through the Emory-Children's Center Division of Pediatric Nephrology in Atlanta.