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…

To schedule with a Mahaska Health Specialist please call 641.672.3360

To schedule with a Mahaska Health Specialist please call 641.672.3360
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…



