Andy Yu-How Chang, MD

Associate Professor Of Clinical Urology

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Overview

Dr. Chang graduated from Stanford University with a B.S. in biological sciences and continued his education at USC for medical school and residency training in urology. Afterward, he matriculated to the prestigious pediatric urology fellowship program at Children’s Hospital of Philadelphia and University of Pennsylvania. While in Philadelphia, he distinguished himself as a superb researcher. He was also awarded a scholarship by the American Urological Association Foundation and appointed a National Institutes of Health sponsored researcher. Chang has garnered multiple awards at society and national meetings. Most recently, he contributed to the best basic science paper awarded at the 2008 American Academy of Pediatrics Section on Urology Meeting.

Awards

  • AAP Section of Urology: Best Basic Science Paper, 2008
  • K12 Recipient, NIH

Publications

  • Reducing Missed Outpatient Appointments in Pediatric Urology: A Pre-Post Analysis of an Automated Text Reminder Intervention. Urol Pract. 2026 Mar; 13(2):78-85.. View in PubMed
  • Defining post-obstructive diuresis following posterior urethral valve ablation. Front Pediatr. 2025; 13:1584878.. View in PubMed
  • Comparing the incidence of hypospadias across the United States: A contemporary analysis. J Pediatr Urol. 2025 Jun; 21(3):627-632.. View in PubMed
  • Novel CO2 loaded nanoparticle ultrasound-activated contrast agent: A potential urinary catheter-free modality to detect vesicoureteral reflux. J Pediatr Urol. 2025 Jun; 21(3):743-748.. View in PubMed
  • Prevalence of disorders of sex development in patients with hypospadias and cryptorchidism. J Pediatr Urol. 2025 02; 21(1):71-77.. View in PubMed
  • Human umbilical cord allograft associated with higher pediatric urethrocutaneous fistula repair success rates. J Pediatr Urol. 2024 08; 20(4):692.e1-692.e6.. View in PubMed
  • Continued use of scrotal ultrasounds for the workup of undescended testes: Confirmation bias and inaccuracies. J Paediatr Child Health. 2022 08; 58(8):1384-1389.. View in PubMed
  • Persistent Anhydramnios and Lower Urinary Tract Obstruction in a Patient With a Vesicoamniotic Shunt. Urology. 2022 07; 165:319-321.. View in PubMed
  • Association between severity of prenatally diagnosed hydronephrosis and receipt of surgical intervention postnatally among patients seen at a fetal-maternal center. BMC Urol. 2021 Apr 07; 21(1):54.. View in PubMed
  • Robotic adrenalectomy in the pediatric population: initial experience case series from a tertiary center. BMC Urol. 2020 Oct 07; 20(1):155.. View in PubMed