Family Medicine

Dr. Preston Sereg, Family Medicine Physician serves the Mahaska Health community as a Family Medicine Physician. Dr. Sereg was born and raised in Oskaloosa and has worked in healthcare for the past 9 years. Dr. Sereg chose to practice at Mahaska Health because he wanted to take part in and give back to the community…

Family Medicine & Walk-In Clinic

  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 Medicine

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…

Anna Throckmorton, ARNP began serving as a nurse practitioner at Mahaska Health in September 2019. For many patients, Anna will be a familiar face as she has been a part of the Mahaska Health family for the past 15 years serving in various capacities, most recently as a registered nurse in the Birthing Center. Anna,…

Family Medicine and Medical Weight Loss

Tara Stout, DNP, ARNP, provides care to families, she understands being open-minded and listening are important to finding a solution together and to truly get to know her patients and partner with them to achieve their health goals.