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D. Preston Smith, M.D., FACS


Urology, Pediatric

What we manage


Bedwetting, bladder abnormalities, exstrophy of the bladder, incontinence, neurogenic bladder, recurrent infections, vesicoureteral reflux, voiding dysfunction, bladder diverticula, ureteroceles, urethral strictures, and bladder stones


Hydronephrosis, pyelonephritis, kidney stones, UPJ obstruction, solitary kidney, multicystic dysplastic kidney, renal cysts


Obstruction, swelling or dilatation of the ureters, vesicoureteral reflux

Hernias, hydroceles, undescended testicles, chordee, elective and newborn circumcision, epispadias, hypospadias, intersex, penile anomalies,  phimosis, testicular tumors, vaginal abnormalities, varicocele, testicle torsion, penile adhesions/foreskin bridges, circumcision concerns, meatal stenosis, labial adhesions

Other Conditions

Neonatal/pediatric urological obstruction, posterior urethral valves, nighttime and daytime wetting disorders, urinary tract infections, constipation, encopresis, neurogenic bowel and bladder, anomalies related to congenital adrenal hyperplasia. 


Below is a list of the most common procedures performed by our office

Surgical Procedures

Circumcision/circumcision revision, meatoplasty, orchiopexy, umbilical and inguinal hernia repair, hypospadias repair, ureteral reimplantation, kidney stone procedures, ESWL, pyeloplasty, continence procedures (MACE, Mitrofanoff), bladder augmentation, varicocelectomy, hydrocelectomy

Office Procedures

Newborn circumcision, meatotomy, foreskin bridge excision, lysis of penile or labial adhesion, vaginal dilation, urethral calibration

Office Diagnostic Testing

Urodynamics, uroflow, biofeedback, renal and bladder ultrasound, scrotal ultrasound, catheterization, urinalysis





Medical School

MD - University of Texas Medical School at Houston, Houston, TX


General Surgery - University of Tennessee Medical Center, Knoxville, TN
Urology - Northwestern University Medical School, Chicago, IL


Pediatric Urology - The University of Tennessee Health Science Center, Memphis, TN

Professional Memberships

East Tennessee Children’s Hospital Medical/Dental Staff

Honors, Awards, etc.

Board Certification:  American Board of Urology