About Us

We care. We listen. We're kind.


Zandra Underwood

Zandra Underwood, RN, WHCNP, serves as Dr. Ondrizek’s partner in most aspects of patient care. She has 35 years of experience in the field of Obstetrics and Gynecology. Her career has led her through both public and private healthcare settings. Zandra is a graduate of Midwestern University and UTSW Nurse Practitioner Program, Dallas, Texas. She is also nationally certified as a Women’s Health Care Nurse Practitioner (WHCNP).  

Zandra’s experience, gentle care, thorough and personalized approach earn her top accolades from both new and long-time patients. Women of all life stages, from teens to new mothers and women entering menopause, share their gratitude for her excellent communication, bedside manner, and extensive knowledge of reproductive and overall women’s health.

Zandra is married with two sons, and three grandsons. She enjoys time with family; and her hobbies include antiques, reading, and entertaining in her home.



Patient Reviews

“Dr. Ondrizek is, by far, the best ob/gyn I've seen. His PA, Zandra, is also outstanding. Both are friendly, honest, explain issues and options, and both work hard to treat issues appropriately.”

Anonymous - Vitals.com