Tonya Johannes, DNP, ARNP-BC has been a nurse practitioner at Mahaska Health since 2016 and has served the healthcare field since 2003 in nursing home, hospital and clinical settings. Johannes grew up in Albia, IA and chose the medical field after spending an entire summer in a hospital helping to care for her grandmother. She…
Dr. Brad Hiatt who has served the Mahaska Health Community for over 15 years. Dr. Hiatt was born and raised in Iowa, and completed his undergraduate and residency at the University of Iowa, and serves as our Cancer Care and Infusion Center physician. As an Iowa native, Dr. Hiatt attended medical school at Des Moines…
Family Nurse Practitioner Robyn Griffiths is a full-time Hospitalist at Mahaska Health. She has a passion for nursing and pursued an advanced degree to be more involved in her patient’s healthcare decisions. Caring for people is an honor and a privilege for Robyn and she believes her Hospitalist role allows her to provide more personalized…
Family Practice and Obstetrics Physician Angela Godejohn, MD, loves helping to safely bring new life into the world while supporting the healthcare needs of women during different stages of change. She has served with the Navy all over the world but chose to settle in the midwest because she appreciates small town living and the…
Jon Gehrke, M.D. joined the Mahaska Health orthopaedics care team 2019. Dr. Gehrke is Board Certified and completed three Fellowships in sports medicine, general orthopaedics and foot & ankle surgery.
