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
Gaines TM, Talwar R, Weiss D, Zderic S, Zaontz M, Godlewski K, Srinivasan A, Shukla A, Van Batavia J, Mittal S, Long C, Kolon T, Fischer K: Outcomes of testis sparing surgery for the management pediatric testicular masses at a single institution. Journal of Urology 215(5S): e686, May 1 2026 Notes: Presented at the 2026 Annual Meeting of the American Urological Association, Washington, DC.Wildermuth A, Godlewski K, Mittal S, Fischer K, Hyacinthe N, Srinivasan A, Davis M, Weiss D, Kolon T, Zaontz M, Long C: Longterm follow-up after proximal hypospadias repair – single vs staged approach. Journal of Urology 215(5S): e681, May 1 2026 Notes: Presented at the 2026 Annual Meeting of the Americal Urological Association, Washington DC.
Abdulfattah S, Kye NJ, Aiyar S, Godlewski K, Fischer K, Mittal S, Srinivasan A, Shukla A: Are surgical intervention rates for primary non-refluxing megaureter too high? Journal of Urology 215(5S): e1413, May 1 2026 Notes: Presented at 2026 Annual Meeting of the American Urological Association, Washington, DC.
Kye NJ, Abdulfattah S, Aiyar S, Godlewski K, Fischer K, Mittal S: Early predictors of adverse bladder outcomes in patients with posterior urethral valves. Journal of Urology 215(5S): e1410, May 1 2026 Notes: 2026 Annual Meeting of the American Urological Association, Washington DC.
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 45(4): 774-793, Apr. 2026 Notes: Epub 2026 Mar 15.
Chae HH, Nguyen DD, Khondker A, Rickard M, Erdman L, Gabrielson AT, Kim JK, Kwong JC, Chun B, Abbas T, Fernandez N, Fischer K, 't Hoen LA, Keefe DT, Wang HS, Weaver J, Lorenzo AJ, Nelson CP: Reporting of race and ethnicity in studies of artificial intelligence in pediatric urology: A secondary analysis of the AI-PEDURO online repository. Canadian Urological Association Journal Mar. 30 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: Epub 2025 Oct 25.