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Dr. Patrick O'Hollaren, MD
Urology, Pediatric Urology
- Name
- Dr. Patrick O'Hollaren, MD
- Specialty
- Urology, Pediatric Urology
- Location
- Portland, OR
- Rating
- 4 / 5 (8 Google reviews)
Data source: NPPES NPI Registry · Google synced 5/9/2026
About Dr. O'Hollaren
Dr. Patrick O'Hollaren, MD is a board-certified urologist practicing in Portland, Oregon, with specialized training in pediatric urology. He focuses on diagnosing and treating urological conditions in infants, children, and adolescents, bringing precision and care to a patient population that demands a highly specialized approach. His work spans a broad range of congenital and acquired urological conditions unique to younger patients. Portland-area families seeking expert pediatric urological care turn to Dr. O'Hollaren for his focused expertise.
Patients see Dr. Patrick O'Hollaren for a range of urological concerns. Common conditions include Hydronephrosis, Hypospadias, Undescended Testicles (Cryptorchidism), Urinary Tract Infections (Pediatric), Vesicoureteral Reflux, Voiding Dysfunction, Ureteropelvic Junction Obstruction, Bedwetting (Nocturnal Enuresis), Bladder Exstrophy, Posterior Urethral Valves, Kidney Stones (Pediatric), and Labial Adhesions. Many arrive after an initial workup from their primary care doctor, though self-referrals are also welcome.
Services at this practice include Hypospadias Repair, Orchiopexy, Cystoscopy (Pediatric), Ureteral Reimplantation, Pyeloplasty, Circumcision, Voiding Cystourethrogram (VCUG) Interpretation, Posterior Urethral Valve Ablation, Renal and Bladder Ultrasound Evaluation, and Bladder Botox Injection (Pediatric). Dr. Patrick O'Hollaren 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 Portland, OR
For patients in Portland, OR seeking urological care, a consultation with Dr. Patrick O'Hollaren is the starting point. The practice serves patients from across the Portland area. Office contact details are listed on this page.
Specialty Overview
Dr. O'Hollaren specializes in pediatric urology, concentrating on the evaluation and treatment of urological conditions affecting children from infancy through adolescence. His clinical focus includes congenital anomalies of the urinary tract, voiding dysfunction, and conditions requiring surgical correction. This sub-specialty requires a distinct skill set, and his practice reflects deep experience in that narrow, technically demanding field.
Conditions Treated
- ✓ Hydronephrosis
- ✓ Hypospadias
- ✓ Undescended Testicles (Cryptorchidism)
- ✓ Urinary Tract Infections (Pediatric)
- ✓ Vesicoureteral Reflux
- ✓ Voiding Dysfunction
- ✓ Ureteropelvic Junction Obstruction
- ✓ Bedwetting (Nocturnal Enuresis)
- ✓ Bladder Exstrophy
- ✓ Posterior Urethral Valves
- ✓ Kidney Stones (Pediatric)
- ✓ Labial Adhesions
Procedures
- ✓ Hypospadias Repair
- ✓ Orchiopexy
- ✓ Cystoscopy (Pediatric)
- ✓ Ureteral Reimplantation
- ✓ Pyeloplasty
- ✓ Circumcision
- ✓ Voiding Cystourethrogram (VCUG) Interpretation
- ✓ Posterior Urethral Valve Ablation
- ✓ Renal and Bladder Ultrasound Evaluation
- ✓ Bladder Botox Injection (Pediatric)
Frequently Asked Questions
What conditions does Dr. O'Hollaren treat in children?
Dr. O'Hollaren treats a wide range of urological conditions in pediatric patients, including hydronephrosis, hypospadias, undescended testicles, urinary tract infections, and voiding dysfunction. He evaluates both congenital and acquired conditions to determine the most appropriate treatment path for each child.
At what age can children be seen by Dr. O'Hollaren?
Dr. O'Hollaren sees patients from infancy through adolescence. Newborns with prenatally detected urological anomalies, toddlers with recurrent UTIs, and teenagers with ongoing voiding concerns are all within his scope of practice.
Does Dr. O'Hollaren perform surgery on pediatric patients?
Yes, Dr. O'Hollaren performs surgical procedures tailored to pediatric patients, including hypospadias repair, orchiopexy for undescended testicles, and correction of urinary tract obstructions. Surgical recommendations are made only when conservative management is not sufficient.
How do I get a referral to see Dr. O'Hollaren in Portland?
Most families come to Dr. O'Hollaren through a referral from their child's pediatrician or primary care provider. You can also contact his Portland office directly to ask about scheduling and whether a referral is required by your insurance plan.
What should I bring to my child's first urology appointment?
Bring any prior imaging studies such as ultrasounds or VCUG results, relevant lab work, a list of current medications, and a summary of your child's symptoms or urological history. Having this information ready helps Dr. O'Hollaren conduct a thorough initial evaluation.
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