Tonya Horn – CPNP-PC. Tonya was born and raised in Iowa as an Oskaloosa native. As a former emergency room nurse, Tonya now serves patients in the Family Medicine and Walk-In Clinic at Mahaska Health. With many years of experience and her compassionate outlook, Tonya is a valued member of our team and our…
Heidi Powers, ARNP, joined the Mahaska Health Walk-In Clinic Care Team in February 2021. She is happy to be back home in this community, as her hometown is Barnes City, Iowa. Heidi earned her Master of Science in Nursing (Family Practice) through Clarkson College in Omaha, Nebraska, and is certified through the American Academy of…
Arthur Zacharjasz, ARNP-BC, grew up in Illinois and worked as an intensive care unit nurse at Northwestern Memorial Hospital in Chicago. Arthur graduated with honors from DePaul University with a Master of Science in nursing and went on to earn his Advanced Registered Nurse Practitioner license from North Park University School of Nursing. He is…
Leah VanLoon, ARNP-C, FNP serves as a provider for the Walk-In and Family Medicine Clinics at Mahaska Health. VanLoon is from the Eddyville area and joined Mahaska Health with 16 years of prior nursing experience, most recently having worked as a Nursing Supervisor at ChildServe in Johnston, Iowa. She began her nursing education at…
Family Nurse Practitioner Jessica Tokle decided to go into medicine because she enjoys helping patients and learning from them. Originally from Grinnell, Jessica is excited to be close to home again. During her first year of college, she discovered her passion for nursing and decided to obtain her masters in nursing. Jessica received her Family…
