Meet Our Providers

Great medical care requires doctors who listen to their patients and treat more than individual symptoms. At Loma Linda University Medical Center, our physicians use their years of experience to diagnose and treat a wide range of urological conditions.

• Chair - Herbert Ruckle, MD
• Duane Baldwin, MD
• Gary R. Barker, MD
• David Chamberlin, MD
• Minh-Hang Chau, MD
• Mark Dickinson, MD
• Dean A. Hadley, MD
• H. Roger Hadley, MD
• Brian Hu, MD
• Edmund Ko, MD
• Paul D. Lui, MD
• Andrea Staack, MD, PhD
• Robert Torrey, Sr., MD
• Steven C. Stewart, MD
• J. Joshua Yune, MD

Urology Nurse Practitioners

• Karen Uyemura, RN, MS, FNP
• Shannon Stegmeir, RN, MS , FNP

Pediatric Urology Nurse Practitioners

• Samantha Jo Church, CPNP

Hospital based - Post operative Nurse Practitioners

• Janelle Warren, RN, MS, FNP

The urology department at Loma Linda University Medical Center relies on a diverse array of medical professionals to maintain our commitment to excellence in care. Our associate staff members add expertise in oncology, pathology and veterans affairs to round out our urology team.

Our Associates

Steven Stewart, MD-- VA

Victor Ching, MD--VA

Christopher Tsai, MD--VA

Thomas Kelly, MD--Radiology

C.S. Chen, MD--Oncology

George W. Saukel, MD--Pathology