Kathy Onwezen, NP-C


Kathy was born and raised in Kansas City, MO. She moved to Columbia, MO in 2001 and considers Columbia her home. She lives with her husband, Ron, and their two dogs, Mike and Betty. She received her Masters of Science in Nursing and Adult-Gerontology Nurse Practitioner degree from Maryville University. She is board certified by the American Association of Nurse Practitioners as well as a member.


College William Jewell University, Liberty, MO

Graduate School Maryville University, St. Louis, MO

Special Interests

My mission is to deliver high quality patient care, provide positive patient outcomes, and developing individualized treatment plans in order for each patient to achieve their maximum quality of life. Area specialty includes: working within the Prostate Cancer Clinic helping men along with their significant others and family members become informed decision makers in their care and treatment options. Compassionate listening is the foremost of my philosophy.

Personal Interests

I am passionate about my relationship and daily walk with God. I enjoy spending time with my husband and our three grandchildren. I enjoy being outdoors, swimming, reading, and gardening.