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Faculty and Staff


John P. Gearhart, M.D.
Ming-Hsien Wang, M.D.

urology team 



Jessica Hankinson, Ph.D.
Pediatric Psychologist in Pediatric Medical Psychology

Phone: 410-955-1855

Dr. Hankinson serves as the primary behavioral consultant to the Division of Pediatric Urology. Dr. Hankinson is part of a multi-disciplinary team that evaluates and treats children with urological conditions.


Karen Spriggs, R.N.
Pediatric Urology Nurse Clinician

Email :

Karen has been a registered nurse since 1990. She has specialized in pediatrics her entire career. Since 2000 she has specialized in pediatric urology including surgical care for children. Karen is an expert in the treatment of kids who have bladder problems. She compassionately and enthusiastically works closely with families whose children receive inpatient and outpatient treatments in the division of pediatric urology.


Sally Sawyer

Phone: 410-955-9129
Fax: 410-955-7909

Once you and your child urologist agreed that surgery is necessary you will meet Sally who will schedule surgery for your child.

Amanda Moatz dtl 

Amanda Moatz, MEd, CCLS
Pediatric Urology Child Life Specialist

Phone:  410-955-9652
Pager:  410-434-2812

Amanda has been a member of the pediatric urology team since 2008.  Certified as a child life specialist since 2004, Amanda’s role is to educate about diagnoses and upcoming surgeries; prepare for procedures and develop positive coping strategies; and to support each family so that their healthcare experience is as positive as possible.  With a background in child development, Amanda uses developmentally appropriate language and tools for each individual patient, but often those interventions are equally beneficial to the caregivers.


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