5
4 Ratings with 4 written Reviews

![]() | ![]() | ![]() | ![]() |
| Kathryn Lynn Koester | Dr. Douglas John Kabbes, MD | Dr. Wak Chia, MD | Dr. Barton Lynn Blackorby, MD |
| Nurse Practitioner | Emergency Medicine | Pediatrics | Ophthalmology |
| Accepts New Patients | Accepts New Patients | ||
| 41 Years of Experience | 52 Years of Experience | 14 Years of Experience | |
| No Virtual Visit Option | No Virtual Visit Option | No Virtual Visit Option | No Virtual Visit Option |
| Altamont , IL | Effingham , IL | Saint Louis , MO | Saint Louis , MO |
| Med School: Southern Illinois University School Of Medicine | Med School: Kaohsiung Medical University | Med School: University Of Oklahoma College Of Medicine | |
Current Profile | View Profile | View Profile | View Profile |
Kathryn Lynn Koester holds an expired medical license in the state of Illinois.
Nurse Practitioner with an expired medical license in the state of Illinois that expired in 2026.
Kathryn Lynn Koester's NPI number is 1720631443.










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.