Meet Our Team

Chesapeake Urology For Kids – Meet Our Team 


Dr. Robert Mevorach, Director of Chesapeake Urology For Kids


Robert Mevorach, M.D., F.S.P.U., F.F.A.P., Pediatric UrologistMevorach headshot

Director, Pediatric Urology and Chesapeake Urology For Kids

        • Certified by the American Board of Urology, Urology and Pediatric Urology
        • Fellow, American Academy of Pediatrics
        • Fellow, Society for Pediatric Urology
        • Member of the European Society for Pediatric Urology

Robert A. Mevorach, M.D., F.S.P.U., F.F.A.P., is a fellowship trained pediatric urologist who serves as Director of Pediatric Urology at Chesapeake Urology Associates and spearheads the practice’s pediatric urology program, Chesapeake Urology For Kids.

Read more about Dr. Robert Mevorach. 

Contact Information:

25 Crossroads Drive, Suite 312
Owings Mills, MD 21117
443-738-8180 – Office 
443-738-8199 - Fax 



Pediatric Anesthesiologists


Dr HongSung-Soo Samuel Hong, M.D.

Dr. Sung-Soo Samuel Hong is a pediatric anesthesiologist with First Colonies Anesthesia Associates working with the pediatric urology team at Chesapeake Urology’s ambulatory surgery center in the care of pediatric surgical patients. He is board-certified by the American Board of Anesthesiology.



Dr Elizabeth NicholasElizabeth Nicholas, M.D.

Dr. Elizabeth Nicholas is a pediatric anesthesiologist with First Colonies Anesthesia Associates, working at Chesapeake Urology’s ambulatory surgery center alongside the pediatric urology OR team in the care of pediatric surgical patients. She is board-certified by the American Board of Pediatrics and the American Board of Anesthesiology. 



Dr ValedonArnaldo Valedon, M.D.

Dr. Arnaldo Valedon is an experienced pediatric anesthesiologist with First Colonies Anesthesia Associates where he is Chief of Ambulatory Surgery and works closely with the pediatric urology team at Chesapeake Urology’s ambulatory surgery center. Dr. Valedon is board-certified by the American Board of Anesthesiology.


If you have questions about your child’s anesthesia, please email Dr. Elizabeth Nicholas at


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Pediatric surgery Care Coordinator

Evelyn Hickman RN, BSN

Evelyn Hickman RN, BSN serves as the care coordinator for pediatric surgery at Chesapeake Urology. Evelyn was an emergency department nurse, caring for adult and pediatric patients. She transitioned to the Pediatric Intensive Care Unit at Children’s Healthcare of Atlanta, then to transporting the sickest infants and children by helicopter, plane and ambulance. Evelyn moved back to Maryland in 2010, transporting pediatric patients for Children’s National Medical Center and University of Maryland. Evelyn enjoys working with our patients and their families to ensure a safe, smooth, positive surgical experience.


Ambulatory Surgery Center/OR Nurses


Megan Carroll, RN

Megan Carroll, RN, serves as a pediatric recovery room nurse in the Summit ambulatory surgery center at the Woodholme location, providing care to children following surgical procedures. Megan draws on her previous experience as a recovery room nurse at Franklin Square Medical Center where she provided care to post-anesthesia patients including pediatric and young adult patients. Prior to her role at Franklin Square, Megan worked on the progressive care unit as well as the trauma unit at Conemaugh Memorial Medical Center in Johnstown, PA, where she cared for cardiac and renal patients and maintained ongoing assessment of critically ill patients while also caring for the needs of the patients’ families.


Erica Maytas RNErica Maytas, RN

Erica Maytas, RN, is the regional nursing director of Chesapeake Urology’s Woodholme ambulatory surgery center where the majority of pediatric urology surgery cases are performed. Erica has been an OR nurse for 27 years and has spent the past 12 years at Chesapeake Urology. Prior, she worked with pediatric cases in the OR at St. Joseph’s Hospital where she was also the circulator for mostly pediatric cases, working closely with anesthesia during the induction phase. A graduate of St. Joseph Hospital School of Nursing, Erica is PALS, ACLS and BLS certified. 

“I'm looking forward to coordinating with Dr. Mevorach and with our anesthesia group to provide the safest and most nurturing environment to our littlest of patients,” she says. 


Cara Porrino RNCara Porrino, RN, BSN 

Cara Porrino, RN, BSN has more than 23 years of operating room experience as both a circulating and scrub nurse in almost all areas, including pediatrics. Her urology experience began exclusively with pediatric patients in 1989 when she was hired to the pediatric surgery service at Johns Hopkins Hospital. Cara’s experience with pediatric urology includes all inpatient, trauma and cancer  procedures as well as all outpatient surgeries inclusive of, but not limited to cystoscopy, inguinal hernia repair, hypospadias repair, circumcision, as well as labiaplasty for ambiguous genitalia.


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Ultrasound/Sonogram Technologists


Ariella AlperAriella Alper, RDMS 

Ariella has more than four years of experience working in pediatric urology as an ultrasonographer and has extensive knowledge of and experience in performing abdominal, renal, pelvic, bladder, vascular and scrotal diagnostic ultrasounds, among others. Ariella is a graduate of the UMBC ultrasound program. 


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