Katherine M. Fischer, MD
Assistant Professor of Surgery at the Children's Hospital of Philadelphia
Associate Program Director, Urology Residency Program, Hospital of the University of Pennsylvania, Philadelphia, PA
Residency Site Director, SUNY-Downstate Urology Residency Program, Children's Hospital of Philadelphia, Philadelphia, PA
Residency Site Director, University of Pennsylvania Residency Program, Children's Hospital of Philadelphia, Philadelphia, PA
Residency Site Director, Einstein Health Center Urology Residency Program, Children's Hospital of Philadelphia, Philadelphia, PA
Residency Site Director, Main Line Health Urology Residency Program, Children's Hospital of Philadelphia, Philadelphia, PA
Department: Surgery
Contact information
Division of Urology
Children's Hospital of Philadelphia
3401 Civic Center Boulevard, 3rd Fl. Wood Center
Philadelphia, PA 19104
Children's Hospital of Philadelphia
3401 Civic Center Boulevard, 3rd Fl. Wood Center
Philadelphia, PA 19104
Office: 2155902754
Email:
fischerk@chop.edu
fischerk@chop.edu
Education:
BS (Biology and Psychology (Summa Cum Laude))
Loyola University Maryland, Baltimore, MD, 2011.
MD
SUNY Downstate College of Medicine, Brooklyn, NY, 2015.
Permanent linkBS (Biology and Psychology (Summa Cum Laude))
Loyola University Maryland, Baltimore, MD, 2011.
MD
SUNY Downstate College of Medicine, Brooklyn, NY, 2015.
Selected Publications
Gan ZS, Abdulfattah S, Lege-Matsuura J, Fischer KM, Van Batavia JP . : Systematic Review of Percutaneous and Transcutaneous Posterior Tibial Neurostimulation for Lower Urinary Tract Symptoms & Lower Urinary Tract Dysfunction in Children. Neurouroloy and Urodynamics Mar. 15 2026 Notes: Online ahead of print.Abdulfattah S, Kye NJ, Shah AP, Eftekharzadeh S, Quairoli M, Ai E, Godlewski K, Fischer K, Weiss D, Van Batavia JP, Long CJ, Zderic SA, Zaontz M, Kolon TF, Mittal S, Srinivasan AK, Shukla AR: A risk stratification model to predict febrile urinary tract infection after cessation of continuous antibiotic prophylaxis in children with known vesicoureteral reflux. Journal of Urology 215(2): 183-193, Feb. 2026 Notes: Epub 2025 Oct 10.
Abdulfattah S, Kye NJ, Aiyar S, Ai E, Quairoli M, Davis MF, Godlewski K, Fischer K, Long CJ, Weiss DA, Shukla AR, Srinivasan AK, Mittal S: Open vs. robot-assisted laparoscopic ureteral reimplantation in a contemporary pediatric cohort: a retrospective single-institution analysis. Journal of Robotic Surgery 20(1): 219, Feb. 5 2026.
Abdulfattah S, Aghababian A, Eftekharzadeh S, Davis M, Nadeem I, Saxena S, Kye NJ, Weaver J, Bachtel H, Nguyen CT, Khusid E, Sze C, Zhang T, Craig K, Xing M, Fischer K, Godlewski K, De S, Arceo-Olaiz R, Long C, Weiss D, Koh CJ, Akhavan A, Gundeti M, Kirsch AJ, Srinivasan AK, Shukla AR, Mittal S Abdulfattah S, Aghababian A, Eftekharzadeh S, Davis M, Nadeem I, Saxena S, Kye NJ, Weaver J, Bachtel H, Nguyen CT, Khusid E, Sze C, Zhang T, Craig K, Xing M, Fischer K, Godlewski K, De S, Arceo-Olaiz R, Long C, Weiss D, Koh CJ, Akhavan A, Gundeti M, Kirsch AJ, Srinivasan AK, Shukla AR, Mittal S : Comparative study of open and robot-assisted approaches to ureteropelvic junction obstruction in children ≤ 12 months: A multi-institutional retrospective analysis Journal of Pediatric Urology 22(1): 105542, Feb. 2026 Notes: Epub 2025 Aug 9.
Khondker A, Ahmad I, Dhalla R, Kaushal S, Kwong JCC, Rickard M, Erdman L, Gabrielson AT, Nguyen DD, Kim JK, Chun B, Abbas T, Fernandez N, Fischer K, 't Hoen LA, Keefe DT, Nelson CP, Wang HS, Weaver J, Lorenzo AJ: The 2025 update on artificial intelligence models in pediatric urology: Results from the AI-PEDURO collaborative. Journal of Pediatric Urology 22(1): 105646, Feb. 2026 Notes: Online ahead of print.
Kapuria A, Godlewski K, Wildermuth A, Hyacinthe N, Mittal S, Fischer F, Davis M, Kolon T, Zaontz M, Long C: Short and long-term effects of testosterone on BMI, growth percentile (z-score) and glans width in patients undergoing distal hypospadias repair. Presented at the 7th World Congress of the Hypospadias International Society (HIS), Sydney, New South Wales, AU Nov. 2025.
Wildermuth A, Long C, Hyacinthe N, Fischer K, Davis M, Mittal S, Srinivasan A, Shukla A, Kolon T, Zaontz M, Godlewski K: Effects of tanner stage on postoperative uroflow results in hypospadias patients with >10 years follow-up Presented at 7th World Congress of the Hypospadias International Society (HIS), Sydney, New South Wales, AU Nov. 2025.
Godlewski KF, Hyacinthe N, Fischer KM, Mittal S, Van Batavia J, Srinivasan A, Shukla A, Zderic S, Kolon T, Zaontz M, Long C : Identifying risk factors for multiple re-do hypospadias repairs in hypospadias patients with complication – a single institution review of 806 patients Presented at 7th World Congress of the Hypospadias International Society (HIS), Sydney, New South Wales, AU Nov. 2025.
Kapuria A, Godlewski K, Wildermuth A, Hyacinthe N, Mittal S, Fischer K, Davis M, Kolon T, Zaontz M, Long C: Short and long-term effects of testosterone on BMI, growth percentile (z-score) and glans width in patients undergoing distal hypospadias repair. Presented at 2025 Joint Meeting, 35th ESPU Congress in Vienna, Austria Sep. 2025.
Wildermuth A, Long C, Hyacinthe N, Fischer K, Davis M, Mittal S, Srinivasan A, Shukla A, Kolon T, Zaontz M, Godlewski K: Effects of tanner stage on postoperative uroflow results in hypospadias patients with >10 years follow-up Presented at 2025 Joint Meeting, 35th ESPU Congress in Vienna, Austria Sep. 2025.