Physicians Gwen M. Grimsby, MD Division Chief, Urology Specialties Urology Michael T. Nguyen, MD Specialties Urology Advanced Practice Providers Karen R. Dunivant, CPNP Voiding Disorder and Enuresis Coordinator Specialties Urology Marilyn L. Palen, PA-C Specialties Urology Kelly M. Parker, MSN, PA-C Specialties Urology