Surgery Medical Director, General Surgeon

Dr. Jesse Van Maanen joined the Mahaska Health surgical team as a Board Certified General Surgeon. Dr. Van Maanen grew up in Pella and Leighton and enjoyed the small communities in which he lived for their rural opportunities, close-knit friendships, and family values. He was first exposed to medicine and surgery when he had to…

Family Medicine, Obstetrics

Hannah Thompson is serving Mahaska Health as a Family Practice and Obstetrics Physician. Having grown up in the Midwest, Hannah is excited to begin serving Oskaloosa and the surrounding communities. Dr. Thompson treats her patients as she would treat her closest family members, bringing a down- to-earth, honest and communicative environment to the room. Having…

Family Practice

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 & Weight Loss Specialist

  Dr. Trish Millner – Family Medicine & Weight Loss Specialist, joins the Mahaska Health Community after 9 years of training, teaching and working in healthcare. Dr. Millner is fellowship trained in high-risk Obstetrics and provides a range of family practice and women’s health services for patients. Dr. Millner chose to become a physician at…

Pediatrics, Family Practice

  To schedule with a Mahaska Health Specialist please call 641.672.3360