Katherine M. Fischer, MD

faculty photo
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
Office: 2155902754
Education:
BS (Biology and Psychology (Summa Cum Laude))
Loyola University Maryland, Baltimore, MD, 2011.
MD
SUNY Downstate College of Medicine, Brooklyn, NY, 2015.
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Selected Publications

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.

Davis M, Van Batavia J, Mittal S, Godlewski K, Srinivasan S, Shukla A, Fischer K, Kolon T: Comparing surgical intervention between two adolescent varicocele management algorithms   Presented at 2025 Joint Meeting, 35th ESPU Congress in Vienna, Austria Sep. 2025.

Eftekharzadeh S, Jacobsma N, Mittal S, Godlewski K, Van Batavia J, Long C, Srinivasan A, Shukla A, Kolon T, Zderic S, Zaontz M, Fischer K: Development of a predictive model for same day surgery cancelations in pediatric urology. Presented at 2025 Joint Meeting, 35th ESPU Congress in Vienna, Austria Sep. 2025 Notes: Podium Presenter.

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.

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 S1477-5131(25): 00420-6, Aug. 9 2025 Notes: Epub ahead of print.

Khondker A, Kwong JC, Ahmad I, Rajesh Z, Dhalla R, MacNevin W, Rickard M, Erdman L, Gabrielson AT, Nguyen DD, Kim JK, Abbas T, Fernandez N, Fischer K, T Hoen LA, Keefe DT, Nelson CP, Viteri B, Wang HS, Weaver J, Yadav P, Lorenzo AJ: A living scoping review and online repository of artificial intelligence models in pediatric urology: Results from the AI-PEDURO collaborative. Journal of Pediatric Urology 21(3): 765-772, Jun. 2025 Notes: Online ahead of print.

Guo S, Sheng X, Chen H, Zhang J, Peng Q, Wu M, Fischer K, Tasian GE, Fan Y, Yin S.: A novel cross-modal data augmentation method based on contrastive unpaired translation network for kidney segmentation in ultrasound imaging. Medical Physics 52(6): 3877-3887, Jun. 2025.

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Last updated: 11/14/2025
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