Dr. Sarah Williamson CHKD Blocks

(757) 668-7878
Board Certifications

Medical School: Emory University School of Medicine

Residency: Georgetown University Hospital

Fellowship: University of California-Irvine


Dr. Williamson is a urologist at CHKD. She grew up outside of Washington, D.C., and attended Kenyon College in Ohio, where she graduated with honors in molecular biology. 

She then worked as a research assistant at the National Institutes of Health. Dr. Williamson attended medical school at Emory University and completed urology residency at Medstar Georgetown University Hospital. 

While in residency, Sarah won awards for excellence in teaching from medical students rotating on urology and was voted best resident teacher by her faculty. After residency, Sarah completed a pediatric urology fellowship at the Children's Hospital of Orange County in California. 

Dr. Williamson has a passion for research and teaching. She has published over 20 peer reviewed articles (under her maiden name, Sarah Holzman) and is one of the key members of the Societies for Pediatric Urology hydronephrosis task force. 

Dr. Williamson lives in Suffolk with her husband and son. Dr. Williamson is a military spouse and is proud to work with our Hampton Roads community. 

Research Area
  • Prenatal Hydronephrosis (swelling of the kidneys)
Clinical Interests
  • Prenatal hydronephrosis 
  • Vesicoureteral reflux 
  • Hypospadias 
  • Orchiopexy
Awards and Honors
  • Virginia Business Magazine "Top Doc" 2024
  • Herbert Brendler AUA Care Foundation Research Award
  • Georgetown Medical School Best Urology Resident Teacher/String of Pearls Award
  • Georgetown Urology Residency Best Teacher Award

1: Huen KH, Chamberlin JD, Macaraeg A, Davis-Dao CA, Williamson SH, Beqaj L Abdelhalim A, Mahmoud R, Stephany HA, Chuang KW, Wehbi EJ, Khoury AE. Home bladder pressure measurements correlate with urodynamic storage pressures an high-grade hydronephrosis in children with spina bifida. J Pediatr Urol. 2022 Jun 16:S1477-5131(22)00278-9. doi: 10.1016/j.jpurol.2022.06.011. Epub ahead of print. PMID: 35792042.

2: Grant C, Szabova A, Williamson SH, Smith L. How do pediatric urology fellow learn outside of direct patient care? A qualitative study. J Pediatr Urol. 2022 Aug 11:S1477-5131(22)00325-4. doi: 10.1016/j.jpurol.2022.07.020. Epub ahead of print. PMID: 35989172.

3: Williamson SH, Davis-Dao CA, Huen KH, Ehwerhemuepha L, Chuang KW, Stephan HA, Wehbi EJ, Kain ZN. Timely orchiopexy by 18 months of age: Are we meeting the standards defined by the 2014 AUA guidelines? J Pediatr Urol. 2022 Ju 19:S1477-5131(22)00312-6. doi: 10.1016/j.jpurol.2022.07.008. Epub ahead of print. PMID: 35981940.

4: Huen KH, Macaraeg A, Davis-Dao CA, Williamson SH, Boswell TC, Chuang KW Stephany HA, Wehbi EJ, Khoury AE. Single-Layer Acellular Porcine Bladder Matrix as Graft in Corporoplasty for Ventral Curvature in Pediatric Proxima Hypospadias Repair: An Initial Experience. Urology. 2022 Jul 28:S0090-4295(22)00618-5. doi: 10.1016/j.urology.2022.07.025. Epub ahead of print. PMID: 35907485.

5: Holzman SA, Braga LH, Zee RS, Herndon CDA, Davis-Dao CA, Kern NG, Chamberli JD, McGrath M, Chuang KW, Stephany HA, Wehbi EJ, Nguyen TT, Dudley AG, Welch VW, Lockwood GM, Farhat WA, Khoury AE. Risk of urinary tract infection in patient with hydroureter: An analysis from the Society of Fetal Urology Prenatal Hydronephrosis Registry. J Pediatr Urol. 2021 Dec;17(6):775-781. doi 10.1016/j.jpurol.2021.09.001. Epub 2021 Sep 21. PMID: 34556410.

6: Holzman SA, Ahn JJ, Baker Z, Chuang KW, Copp HL, Davidson J, Davis-Dao CA Ewing E, Ko J, Lee V, Macaraeg A, Nicassio L, Sadighian M, Stephany HA, Sturm R, Swords K, Wang P, Wehbi EJ, Khoury AE; Western Pediatric Urology Consortiu (WPUC). A multicenter study of acute testicular torsion in the time of COVID-19. J Pediatr Urol. 2021 Aug;17(4):478.e1-478.e6. doi: 10.1016/j.jpurol.2021.03.013 Epub 2021 Mar 19. PMID: 33832873; PMCID: PMC7977032.

7: Chamberlin JD, Braga LH, Davis-Dao CA, Herndon CDA, Holzman SA, Herbst KW Zee RS, McGrath M, Kern NG, Welch VW, Dudley AG, Lockwood GM, Finup JL, Macaraeg AM, Vu EQ, Chuang KW, Stephany HA, Wehbi EJ, Khoury AE. Continuous antibioti prophylaxis in isolated prenatal hydronephrosis. J Pediatr Urol. 2022 Jun;18(3):363.e1-363.e7. doi: 10.1016/j.jpurol.2022.03.027. Epub 2022 Apr 13. PMID: 35525823.

8: Holzman SA, Chamberlin JD, Davis-Dao CA, Le DT, Delgado VA, Macaraeg AM Dorgalli C, Chuang KW, Stephany HA, Wehbi EJ, Khoury AE. Retractable foreskin reduces urinary tract infections in infant boys with vesicoureteral reflux.  Pediatr Urol. 2021 Apr;17(2):209.e1-209.e6. doi: 10.1016/j.jpurol.2021.01.007. Epub 2021 Jan 9. PMID: 33516608.

9: Huen KH, Holzman SA, Davis-Dao CA, Wehbi EJ, Khoury AE. Taking "Trans-ano rectal" out of ASTRA: An anterior sagittal approach without splitting the rectum. J Pediatr Urol. 2022 Feb;18(1):96-97. doi: 10.1016/j.jpurol.2021.12.007. Epub 2021 Dec 22. PMID: 34980557.

10: Kopelevich A, Holzman SA, La J, Lai HA, Torno L, Stephany HA. Crizotinib associated Renal Cyst Formation in a Pediatric Patient With ALK+ Epithelioid Inflammatory Myofibroblastic Sarcoma. Urology. 2021 Mar;149:222-224. doi 10.1016/j.urology.2020.08.032. Epub 2020 Sep 1. PMID: 32882306.

11: Holzman SA, Davis-Dao CA, Khoury AE, Fortier MA, N Kain Z. Telemedicine an patient satisfaction during the COVID-19 pandemic: A case-control study of outpatient pediatric urology patients. J Child Health Care. 2021 De 6:13674935211058272. doi: 10.1177/13674935211058272. Epub ahead of print. PMID: 34865548.

12: Gundogdu G, Okhunov Z, Starek S, Veneri F, Orabi H, Holzman SA, Sullivan MP Khoury AE, Mauney JR. Evaluation of Bi-Layer Silk Fibroin Grafts for Penile Tunica Albuginea Repair in a Rabbit Corporoplasty Model. Front Bioen Biotechnol. 2021 Dec 7;9:791119. doi: 10.3389/fbioe.2021.791119. PMID: 34950646; PMCID: PMC8688800.

13: An JY, Sidana A, Holzman SA, Baiocco JA, Mehralivand S, Choyke PL, Wood BJ Turkbey B, Pinto PA. Ruling out clinically significant prostate cancer with negative multi-parametric MRI. Int Urol Nephrol. 2018 Jan;50(1):7-12. doi 10.1007/s11255-017-1715-7. Epub 2017 Nov 15. PMID: 29143253; PMCID: PMC8058631.

14: Mishra SK, Holzman S, Hoon MA. A nociceptive signaling role for neuromedi B. J Neurosci. 2012 Jun 20;32(25):8686-95. doi: 10.1523/JNEUROSCI.1533-12.2012. PMID: 22723708; PMCID: PMC3395363.

15: Harlow BL, Klaassen Z, Holzman S, Reinstatler L, Franken AA, Kavuri SK Terris MK, Master VA, Moses KA. Multiple Discordant Histology After Nephrectomy: Descriptive Analysis and Outcomes. Clin Genitourin Cancer. 201 Apr;14(2):e171-5. doi: 10.1016/j.clgc.2015.10.013. Epub 2015 Nov 2. PMID: 26613833.

16: Nabavizadeh R, Noorali AA, Makhani SS, Hong G, Holzman S, Patil DH, Kim FY Tso PL, Turgeon NA, Ogan K, Master VA. Transplant Radical Nephrectomy and Transplant Radical Nephroureterectomy for Renal Cancer: Postoperative an Survival Outcomes. Ann Transplant. 2020 Oct 23;25:e925865. doi: 10.12659/AOT.925865. PMID: 33093437; PMCID: PMC7590527.

17: Holzman SA, Grant C, Zee RS, Rana MS, Sprague B, Blum E, Rushton HG. Hig incidence of abnormal imaging findings in circumcised boys diagnosed with urinary tract infections. J Pediatr Urol. 2020 Oct;16(5):560-565. doi 10.1016/j.jpurol.2020.07.030. Epub 2020 Jul 25. PMID: 32981862.

18: Holzman SA, HaDuong J, Khoury AE. Papers presented at the fall 202 Pediatric Urologic Oncology Work Group of the Societies of Pediatric Urology meetingPrenatally Diagnosed Solid Renal Mass. Urology. 2021 Jul;153:317-319 doi: 10.1016/j.urology.2020.11.005. Epub 2020 Nov 13. PMID: 33197486.

19: Holzman SA, Braga LH, Zee RS, Herndon CDA, Davis-Dao CA, Kern NG, Chamberli JD, McGrath M, Chuang KW, Stephany HA, Wehbi EJ, Nguyen TT, Dudley AG, Welch VW, Lockwood GM, Farhat WA, Khoury AE. Re: Letter to the editor 'risk of urinar tract infection in patients with hydroureter: An analysis from the society of fetal urology prenatal hydronephrosis registry'. J Pediatr Urol. 2022 Au 12:S1477-5131(22)00334-5. doi: 10.1016/j.jpurol.2022.07.030. Epub ahead of print. PMID: 36085192.

20: Arlen AM, Holzman SA, Weiss AD, Garola RE, Cerwinka WH. Functional supernumerary testis in a child with testicular torsion and review o polyorchidism. Pediatr Surg Int. 2014 May;30(5):565-8. doi: 10.1007/s00383-014-3485-y. Epub 2014 Feb 21. PMID: 24557155.

21: Odio C, Holzman SA, Denison MS, Fraccalvieri D, Bonati L, Franks DG, Hah ME, Powell WH. Specific ligand binding domain residues confer low dioxin responsiveness to AHR1β of Xenopus laevis. Biochemistry. 2013 Ma 12;52(10):1746-54. doi: 10.1021/bi301722k. Epub 2013 Feb 27. PMID: 23394719; PMCID: PMC3669666.

22: Sekar RR, De La Calle CM, Patil D, Holzman SA, Baum Y, Sheikh U, Huang JH Osunkoya AO, Pollack BP, Kissick HT, Ogan K, Master VA. Major histocompatibility complex I upregulation in clear cell renal cell carcinoma is associated wit increased survival. Asian J Urol. 2016 Apr;3(2):75-81. doi: 10.1016/j.ajur.2016.02.001. Epub 2016 Feb 26. PMID: 29264168; PMCID: PMC5730799.

23: Holzman SA, de la Calle CM, Kissick HT, Osunkoya AO, Pollack BP, Patil D Ogan K, Master VA. High Expression of Major Histocompatibility Complex Class I in Clear Cell Renal Cell Carcinoma Is Associated with Improved Prognosis. Uro Int. 2015;95(1):72-8. doi: 10.1159/000370164. Epub 2015 Feb 20. PMID: 25721803.