Meet Your Team
Spina Bifida Clinic
Division Chief
Medical Director

Kristi A. Boles, MD
Specialty
Hospital Medicine
Providers

Benjamin N. Abelson, MD
Specialty
Urology

Tava L. Arnold, PhD
Specialty
Psychology

Ruth E. Bristol, MD
Specialty
Neurosurgery

J. Craig Egan, MD
Specialty
Surgical Services

Erin M. Garvey, MD, FACS
Specialty
Surgical Services

Gwen M. Grimsby, MD
Specialty
Urology

Stephanie S. Hsieh, MD
Specialty
Nephrology

Justin H. Lee, MD
Specialty
Surgical Services,
Trauma

Mark S. Molitor, MD
Specialty
Surgical Services

Michael T. Nguyen, MD
Specialty
Urology

Karen E. Papez, MD
Specialty
Nephrology

Timur O. Raghib, MD
Specialty
Hospital Medicine,
Urgent Care

Jennifer S. Ronecker, MD
Specialty
Neurosurgery

Dorothy H. Rowe, MD
Specialty
Surgical Services

David H. Shafron, MD
Specialty
Neurosurgery

Kathleen D. Van Leeuwen, MD
Specialty
Surgical Services,
Trauma

Carlos A. Villanueva, MD
Specialty
Urology

Michael K. Yap, MD
Specialty
Urology

Tara L. Goesch, PNP
Specialty
Surgical Services,
Gastroenterology

Kelly M. Parker, MSN, PA-C
Specialty
Urology

Marilyn L. Tigges, PA-C
Specialty
Urology
The Spina Bifida Clinic also includes providers with specialties in nutrition, neonatal care, transition to adult care, child life and social work.