Meet Your Team
Nephrology
At Phoenix Children’s, our pediatric nephrologists team up with other specialty providers at the hospital to make sure your child receives the specialized care they need. These providers communicate with each other about your child’s treatment plan and involve your family in care decisions.
Division Chief

Katherine W. Perry, MD
Specialty
Nephrology
Providers

Gina-Marie Barletta, MD
Specialty
Nephrology

Ashley M. Gefen, MD
Specialty
Nephrology

Stephanie S. Hsieh, MD
Specialty
Nephrology

German A. Lozano Guzman, MD
Specialty
Nephrology

Anjali B. Nayak, MD
Specialty
Nephrology

Karen E. Papez, MD
Specialty
Nephrology

Scott S. Williams, MD
Specialty
Nephrology

Joshua J. Zaritsky, MD, PhD
Specialty
Nephrology

Benjamin K. Jones, DNP
Specialty
Nephrology