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Paul Jacob Kokorowski, MD
Assistant Professor of Clinical Urology
CHL Mail Stop 114 Off Campus Los Angeles
+1 323 361 2247


Dr. Paul Kokorowski is an Assistant Professor of Urology working in the Division of Pediatric Urology at Children's Hospital Los Angeles. He is a native Californian who spent his childhood in the San Fernando Valley. After completing his Bachelors degree in Molecular & Cell Biology from the University of California, Berkeley, he attended the Keck School of Medicine of the University of Southern California. He stayed to complete a residency in Urology through the LAC/USC program and rotated several times through Children's Hospital Los Angeles. He went on to complete a fellowship in Pediatric Urology at Boston Children's Hospital. During fellowship, he also earned his MPH from the Harvard School of Public Health. His research interests include the clinical effectiveness and health services. Current work focuses on comparative effectiveness and cost- effectiveness, quality improvement and evaluation of outcomes.


Testicular Adrenal Rest Tumors in Boys and Young Adults with Congenital Adrenal Hyperplasia. J Urol. 2016 Nov 10. View in: PubMed

Utility Estimation for Pediatric Vesicoureteral Reflux: Methodological Considerations Using an Online Survey Platform. J Urol. 2016 Oct 13. View in: PubMed

Aberrant Activation of Notch Signaling Inhibits PROX1 Activity to Enhance the Malignant Behavior of Thyroid Cancer Cells. Cancer Res. 2016 Feb 1; 76(3):582-93. View in: PubMed

Melanotic Neuroectodermal Tumor of Infancy Presenting with Fast Growing Scrotal Swelling: A Case Report and Literature Review. Pediatr Dev Pathol. 2015 Dec 15. View in: PubMed

Utility scores for vesicoureteral reflux and anti-reflux surgery. J Pediatr Urol. 2015 Aug; 11(4):177-82. View in: PubMed

Estimating utility values for vesicoureteral reflux in the general public using an online tool. J Pediatr Urol. 2014 Dec; 10(6):1026-31. View in: PubMed

Evaluation of the contralateral inguinal ring in clinically unilateral inguinal hernia: a systematic review and meta-analysis. Hernia. 2014 Jun; 18(3):311-24. View in: PubMed

Response to "Reputation rankings for pediatric urology moderately". J Pediatr Urol. 2014 Feb; 10(1):201-2. View in: PubMed

New contralateral vesicoureteral reflux after unilateral ureteral reimplantation: predictive factors and clinical outcomes. J Urol. 2014 Feb; 191(2):451-7. View in: PubMed

Prospective systematic intervention to reduce patient exposure to radiation during pediatric ureteroscopy. J Urol. 2013 Oct; 190(4 Suppl):1474-8. View in: PubMed

Editorial comment. J Urol. 2013 Oct; 190(4):1369-70. View in: PubMed

Trends in revision circumcision at pediatric hospitals. Clin Pediatr (Phila). 2013 Aug; 52(8):699-706. View in: PubMed

Long-term incidence of urinary tract infection after ureteral reimplantation for primary vesicoureteral reflux. J Pediatr Urol. 2013 Feb; 9(1):92-8. View in: PubMed

Quality assessment of economic analyses in pediatric urology. Urology. 2013 Feb; 81(2):263-7. View in: PubMed

In utero closure of myelomeningocele does not improve lower urinary tract function. J Urol. 2012 Oct; 188(4 Suppl):1567-71. View in: PubMed

Association of urolithiasis with systemic conditions among pediatric patients at children's hospitals. J Urol. 2012 Oct; 188(4 Suppl):1618-22. View in: PubMed

Clinical outcomes and long-term resolution in patients with persistent vesicoureteral reflux after open ureteral reimplantation. J Urol. 2012 Oct; 188(4 Suppl):1474-9. View in: PubMed

Prospective measurement of patient exposure to radiation during pediatric ureteroscopy. J Urol. 2012 Apr; 187(4):1408-14. View in: PubMed

Durability of antireflux effect of ureteral reimplantation for primary vesicoureteral reflux: findings on long-term cystography. Urology. 2012 Mar; 79(3):675-9. View in: PubMed

Economic and radiation costs of initial imaging approaches after a child's first febrile urinary tract infection. Clin Pediatr (Phila). 2012 Jan; 51(1):23-30. View in: PubMed

Racial variation in timing of pyeloplasty: prenatal versus postnatal diagnosis. J Urol. 2011 Dec; 186(6):2386-91. View in: PubMed

Screening for malignancy after augmentation cystoplasty in children with spina bifida: a decision analysis. J Urol. 2011 Oct; 186(4):1437-43. View in: PubMed

Use of the ureteral access sheath during ureteroscopy in children. J Urol. 2011 Oct; 186(4 Suppl):1728-33. View in: PubMed

Timeliness of surgical care in children with special health care needs: delayed palate repair for publicly insured and minority children with cleft palate. J Pediatr Surg. 2011 Jul; 46(7):1319-24. View in: PubMed

Editorial comment. Urology. 2011 May; 77(5):1253; author reply 1253. View in: PubMed

Costs and consequences of universal sibling screening for vesicoureteral reflux: decision analysis. Pediatrics. 2010 Nov; 126(5):865-71. View in: PubMed

Evaluation of pediatric nephrolithiasis. Indian J Urol. 2010 Oct; 26(4):531-5. View in: PubMed

Variations in timing of surgery among boys who underwent orchidopexy for cryptorchidism. Pediatrics. 2010 Sep; 126(3):e576-82. View in: PubMed

The Society for Fetal Urology consensus statement on the evaluation and management of antenatal hydronephrosis. J Pediatr Urol. 2010 Jun; 6(3):212-31. View in: PubMed

Straight-arm positioning and port placement for pediatric robotic-assisted laparoscopic renal surgery. J Robot Surg. 2010 May; 4(1):29-32. View in: PubMed

Pediatric robot-assisted laparoscopic excision of urachal cyst and bladder cuff. J Endourol. 2008 Oct; 22(10):2385-8; discussion 2388. View in: PubMed

Evaluation of immediate endoscopic realignment as a treatment modality for traumatic urethral injuries. J Trauma. 2008 Jun; 64(6):1443-9; discussion 1449-50. View in: PubMed

Stem cells and tissue engineering applications of the genitourinary tract. Pediatr Res. 2008 May; 63(5):472-7. View in: PubMed

Ex vivo whole embryonic kidney culture: a novel method for research in development, regeneration and transplantation. J Urol. 2008 Jan; 179(1):365-70. View in: PubMed

Emergency department presentation of pediatric stroke. Pediatr Emerg Care. 2003 Oct; 19(5):320-8. View in: PubMed

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