0 reviews
Summary
Dr. Onwezen works in Marshall, MO and specializes in Nurse Practitioner and Family Medicine. Dr. Onwezen is affiliated with Boone Hospital Center.
Quick Facts
- accepting new patients
- speaks English
- 2 specialties
- 4 areas of expertise
- 1 hospital affiliation
- 2 office locations
- Female
Office Locations
Dr. Kathy L Onwezen has 2 locationsCompare with Similar Providers
![]() | ![]() | ![]() | ![]() |
| Dr. Kathy L Onwezen | Mary Jo Drenon | Amber Renee Drumheller | Dr. Richard Lee Smith, MD |
| Nurse Practitioner | Nurse Practitioner | Nurse Practitioner | Family Medicine |
| Accepts New Patients | Accepts New Patients | ||
| 32 Years of Experience | |||
| No Virtual Visit Option | No Virtual Visit Option | No Virtual Visit Option | No Virtual Visit Option |
| Speaks English | Speaks English | ||
| Marshall , MO | Marshall , MO | Marshall , MO | Carrollton , MO |
| Med School: University Of Missouri-Kansas City School Of Medicine | |||
Current Profile | View Profile | View Profile | View Profile |
Insurance Plans Accepted by Dr. Kathy L Onwezen
Be sure to verify insurance information directly with your doctor's office, as it may undergo frequent changes.
Medical Specialties
Dr. Kathy L Onwezen has the following 2 specialties
Specialty Expertise
Dr. Kathy L Onwezen has the following 4 areas of expertise
Certifications, License, & Education
Dr. Kathy L Onwezen holds an expired medical license in the state of Missouri.
Medical License
Nurse Practitioner with an expired medical license in the state of Missouri that expired in 2026.
NPI Number
Dr. Onwezen's NPI number is 1477901452.
Similar Doctors
Frequently Asked Questions
- Does Dr. Kathy Onwezen accept my insurance?
- You can see the insurance plans that Dr. Kathy Onwezen accepts on their Vitals profile.
- Does Dr. Kathy Onwezen accept virtual/telehealth appointments?
- Dr. Kathy Onwezen has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.
- How can I make an appointment with Dr. Kathy Onwezen?
- You can find contact information for Dr. Kathy Onwezen here on Vitals.
- Is Dr. Kathy Onwezen accepting new patients?
- Dr. Kathy Onwezen is accepting new patients on Vitals. View Dr. Kathy Onwezen's profile on Vitals to make an appointment.
- Which hospitals is Dr. Kathy Onwezen affiliated with?
- Dr. Kathy Onwezen is affiliated with Boone Hospital Center.
Ensuring Data Transparency and Trust: A Guide to Vitals Doctor Listings and Reviews
Our provider data is gathered directly from physicians and publicly available databases. Providers who verify their profiles gain the ability to update information, offering additional details about their specialties,education, treated conditions, performed procedures, and accepted insurances.
Reviews on Vitals are submitted by users only. Recognizing the valuable insights these reviews offer into a doctor's reputation, we maintain internal policies and protocols to ensure the quality and accuracy of all reviews. Importantly, providers cannot delete or alter reviews independently. Reviews can only be deleted or changed following an internal assessment by our customer service team.
Your feedback is highly valued and we encourage you to contact our support team should you encounter any issues.


