

Pediatrics
Joshua Zaritsky, M.D.
Professor, Clinical Series, Child Health, University of Arizona College of Medicine - Phoenix
Joshua J. Zaritsky, MD, PhD, is a pediatric nephrologist specializing in complex kidney disorders in children at Phoenix Children's Hospital in Phoenix, Arizona. He primarily treats pediatric chronic renal failure, dialysis requirements, glomerular diseases including focal segmental glomerulosclerosis (FSGS), kidney stones, and rare renal conditions such as cystinosis, cystinuria, X-linked hypophosphatemia (XLH), hypophosphatasia (HPP), and Bardet-Biedl syndrome (BBS). His expertise extends to h
25+
Years in Practice
Credentials
Board Certifications
- Pediatrics (American Board of Pediatrics)
- Pediatric Nephrology (American Board of Pediatrics)
Education & Training
- Stanford University School of Medicine — MD, PhD
- University of California, Los Angeles — Fellowship, Pediatric Nephrology
- Denver Children's Hospital — Residency, Pediatrics
- Denver Children's Hospital — Internship, Pediatrics
Clinical Focus
Subspecialties
Conditions & Treatments
Practice Details
Hospital Affiliations
- Phoenix Children's Hospital
Languages
English
Experience
25+ years in practice