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Pediatric Urologists in Arizona

Data updated monthly · Last refresh October 2026

12 Pediatric Urology providers practice in Arizona. The largest concentration is in Phoenix. Profiles include federal Open Payments records of money received from drug and device companies in 2025. Listings are drawn from federal public records and are not endorsements.

12providers
Phoenixtop city

Pediatric Urology by city in Arizona

Choose a city to see providers there.

Pediatric Urology in Phoenix5 providers
Pediatric Urology in Tucson3 providers
Pediatric Urology in Peoria1 providers
Pediatric Urology in Scottsdale1 providers
Pediatric Urology in Glendale1 providers
Pediatric Urology in Mesa1 providers

Where Pediatric Urologists in Arizona practice

From CMS Medicare enrollment records covering 5 of the 12 providers listed here (42%). Providers who do not bill Medicare are not included in these figures.

Largest practice groups

Group (as registered with Medicare)Pediatric UrologistsAll clinicians in groupMain city
Phoenix Children's Hospital3431Phoenix

Sources: CMS Doctors and Clinicians (August 2026) and Facility Affiliation files (August 2026); hospital ownership type and overall star rating from CMS Hospital General Information (July 2026). A clinician in several groups is counted once, in the largest group they bill through. Ownership type is what the hospital reports to CMS; it does not show private equity or other investor ownership. How we build this directory.

Pediatric Urology providers in Arizona

Listed by city, largest first. Payment figures come from the federal Open Payments program, which requires drug and device companies to report what they pay physicians for consulting, speaking, meals, travel and royalties. A disclosed payment is a financial relationship, not evidence of wrongdoing, and many totals reflect a single meal. Figures cover calendar year 2025.

Dr. Ariella Friedman, MD
Glendale, AZ · No drug or device payments recorded (2025) · (480) 412-7474
Dr. Barry Chang, M.D.
Mesa, AZ · $129 in drug and device payments (2025) · (480) 412-7474
Dr. Ben Donovan, M.D.
Peoria, AZ · $301 in drug and device payments (2025) · (623) 887-2912
Dr. Benjamin Abelson, M.D.
Phoenix, AZ · No drug or device payments recorded (2025) · (602) 933-5200
Dr. Carlos Villanueva Del Rio, M.D.
Phoenix, AZ · No drug or device payments recorded (2025) · (602) 933-5200
Dr. Michael Nguyen, M.D.
Phoenix, AZ · No drug or device payments recorded (2025) · (602) 933-5200
Dr. Michael Ritchey, M.D.
Phoenix, AZ · No drug or device payments recorded (2025) · (602) 933-5200
Dr. Michael Yap, M.D.
Phoenix, AZ · No drug or device payments recorded (2025) · (602) 933-1000
Dr. Alexandra Carolan
Scottsdale, AZ · No drug or device payments recorded (2025) · (480) 301-8000
Dr. Arthi Hannallah, MD
Tucson, AZ · No drug or device payments recorded (2025) · (520) 795-5338
Dr. Derrick Johnston, M.D.
Tucson, AZ · No drug or device payments recorded (2025) · (520) 795-5338
Dr. Richard Ashley, M.D.
Tucson, AZ · $21 in drug and device payments (2025) · (520) 795-5338

Common questions

How many Pediatric Urology providers are in Arizona?

There are 12 Pediatric Urology providers with active NPI records practicing in Arizona, according to federal NPPES data refreshed monthly.

Which cities in Arizona have the most Pediatric Urology providers?

Phoenix (5), Tucson (3), Peoria (1) have the highest concentration of Pediatric Urology providers in Arizona.

Where does this data come from?

Provider counts and profiles come from the federal NPPES registry and CMS Doctors and Clinicians files. Payment figures come from the CMS Open Payments program for calendar year 2025. The directory refreshes monthly.

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Related

Sources: NPPES (CMS), Doctors and Clinicians national files, CMS Open Payments 2025. Updated monthly. Records are public federal data and are not verified credentials, licensure checks, or endorsements. This directory is informational and not medical advice. How we build this directory. Are you a Pediatric Urology in Arizona? Get featured.