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Dr. Derrick Johnston, MD
Urology, Pediatric Urology
- Name
- Dr. Derrick Johnston, MD
- Specialty
- Urology, Pediatric Urology
- Location
- Tucson, AZ
- Rating
- 5 / 5 (2 Google reviews)
Data source: NPPES NPI Registry · Google synced 5/9/2026
About Dr. Johnston
Dr. Derrick Johnston, M.D. is a board-certified urologist practicing in Tucson, Arizona, with a focused sub-specialty in pediatric urology. He provides surgical and non-surgical care for children facing a broad range of urological conditions, from congenital anomalies to urinary tract dysfunction. His practice serves families throughout the Tucson area and the surrounding region of southern Arizona.
Patients see Dr. Derrick Johnston for a range of urological concerns. Common conditions include Undescended Testicles (Cryptorchidism), Hypospadias, Vesicoureteral Reflux, Hydronephrosis, Urinary Tract Infections (Pediatric), Voiding Dysfunction, Bedwetting (Enuresis), Kidney Stones, Hydrocele, Varicocele, Congenital Urinary Tract Anomalies, and Posterior Urethral Valves. Many arrive after an initial workup from their primary care doctor, though self-referrals are also welcome.
Services at this practice include Orchiopexy, Hypospadias Repair, Ureteral Reimplantation, Circumcision, Hydrocele Repair, Cystoscopy, Pyeloplasty, Laparoscopic Pediatric Urologic Surgery, Urodynamic Testing, and Endoscopic Injection for Vesicoureteral Reflux. Dr. Derrick Johnston reviews all available options with patients before any procedure is scheduled. The aim is to ensure each person understands their diagnosis and the reasoning behind recommended treatment.
Urology Services in Tucson, AZ
For patients in Tucson, AZ seeking urological care, a consultation with Dr. Derrick Johnston is the starting point. The practice serves patients from across the Tucson area. Office contact details are listed on this page.
Specialty Overview
Dr. Johnston specializes in pediatric urology, treating urological conditions that affect infants, children, and adolescents. His clinical focus includes congenital urinary tract anomalies, voiding dysfunction, undescended testicles, and hypospadias repair. He works closely with families to develop age-appropriate treatment plans that support long-term urological health.
Conditions Treated
- ✓ Undescended Testicles (Cryptorchidism)
- ✓ Hypospadias
- ✓ Vesicoureteral Reflux
- ✓ Hydronephrosis
- ✓ Urinary Tract Infections (Pediatric)
- ✓ Voiding Dysfunction
- ✓ Bedwetting (Enuresis)
- ✓ Kidney Stones
- ✓ Hydrocele
- ✓ Varicocele
- ✓ Congenital Urinary Tract Anomalies
- ✓ Posterior Urethral Valves
Procedures
- ✓ Orchiopexy
- ✓ Hypospadias Repair
- ✓ Ureteral Reimplantation
- ✓ Circumcision
- ✓ Hydrocele Repair
- ✓ Cystoscopy
- ✓ Pyeloplasty
- ✓ Laparoscopic Pediatric Urologic Surgery
- ✓ Urodynamic Testing
- ✓ Endoscopic Injection for Vesicoureteral Reflux
Frequently Asked Questions
What age groups does Dr. Johnston treat?
Dr. Johnston specializes in pediatric urology and treats patients from newborns through adolescents. Some pediatric urologists also see young adults with conditions that began in childhood, so it is best to contact his office directly to confirm whether your child qualifies for care.
What should I expect at my child's first urology appointment with Dr. Johnston?
The first visit typically involves a review of your child's medical history, a physical examination, and a discussion of any imaging or lab results already available. Dr. Johnston will explain his findings in plain language and outline potential next steps, which may include further testing, watchful waiting, or a referral for a procedure.
Does Dr. Johnston perform minimally invasive surgery on children?
Pediatric urologists commonly use minimally invasive techniques, including laparoscopy and robotic-assisted approaches, when appropriate for the child's age and condition. You can ask his office specifically which surgical methods Dr. Johnston uses for the procedure your child may need.
My child has recurrent urinary tract infections. Can Dr. Johnston help?
Recurrent urinary tract infections in children are one of the most common reasons families are referred to a pediatric urologist. Dr. Johnston can evaluate whether an underlying structural or functional issue is contributing to the infections and recommend a treatment plan to reduce recurrence.
How do I get a referral to see Dr. Johnston in Tucson?
Many families are referred by their child's pediatrician or primary care provider, though some insurance plans allow direct specialist access. Contact Dr. Johnston's Tucson office to verify your insurance coverage and confirm whether a formal referral is required before scheduling.
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