
Our Staff
Stephanie Black
0ffice Administrator
Stephanie, our Office Administrator, keeps everything organized and running smoothly at our practice.


Thomas Koehler
VASCULAR SURGERY Physician’s Assistant
Thomas Koehler, PA-C began his career in orthopedic surgery and interventional radiology prior to joining Dr. Seidman. At Northwest Vascular Specialists he will assist Dr. Seidman in the operating room and conduct clinic for new and established patients. His graduate degree is from University of Nebraska Medical Center which he obtained after graduating from the US Army’s Interservice Physician Assistant Program. In his free time, you will find him outdoors in his garden or in the mountains hiking and backpacking.
• Lewis-Clark State College: Bachelor of Science in Biology
• University Nebraska Medical Center: Bachelor of Science in General Studies
• University Nebraska Medical Center: Masters in Physician Assistant Studies
Taylor Nestle
Staff


Diane Demarco
Staff
Sam
Staff

