Frank William Ayestaran Cassani, M.D.

Headshot of Frank William Ayestaran Cassani

Languages: English, Spanish


Pediatric Nephrology

Request an Appointment

Main Phone


St Petersburg Outpatient Care Center - University of South Florida - Nephrology

601 5th Street South
St Petersburg, FL 33701 map
Phone: 727-767-4181 | Fax: 727-767-4219


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. more



  • Luis Razetti School of Medicine (2005)


  • Pediatrics; Texas A&M University System Health Science (2012)


  • Pediatric Nephrology; Emory University School of Medicine (2015)

Board Certifications

  • American Board of Pediatrics (Pediatric Nephrology) (2016)
  • American Board of Pediatrics (Pediatrics - General) (2012)

Patient Ratings & Comments

The Patient Rating score is an average of all responses to physician related questions on the national CG-CAHPS Medical Practice patient experience survey through Press Ganey. Responses are measured on a scale of 1 to 5, with 5 being the best score. Comments are also gathered from our CG-CAHPS Medical Practice Survey through Press Ganey and displayed in their entirety. Patients are de-identified for confidentiality and patient privacy.

Is this you? Edit Profile
back to top button