Walk-In Clinic

Alicia Knox, ARNP-BC. To schedule an appointment with Alicia Knox, ARNP-BC, please call Mahaska Health at 641.672.3360. Specialties Walk-In Clinic Education Graceland University: Bachelor of Science in Nursing; Masters of Science in Nursing Board Status Board of Nursing Professional Associations American Nurse Credentialing Center ANCC Board Certification

Walk-In Clinic, Pediatrics & Primary Care

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 Practice 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 community!…

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…

  Julie Lautenbach, PA-C, MPH serves the Mahaska Health Walk-In Clinic care team. After graduating from the Physician Assistant Program at Nova Southeastern University in Ft. Lauderdale, Florida in 2003, Julie began her career at Mahaska Health as a physician assistant in the orthopaedics department. Since then, she has served surrounding healthcare facilities in the…

Occupational and Public Health

Arthur grew up in Illinois and spent the last 5 years 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.…