Dr. Todd Treimer is a Board-certified Doctor of Osteopathic Medicine with over 25 years of experience. Dr. Treimer specializes in family medicine and is passionate about providing excellent care to patients of all ages. With many years of experience, he is well versed in tailoring his care to the specific needs of each patient. In…
Family Medicine physician Sean Crawford, DO is an Iowa native, working to build a healthy community around him in Mahaska county. Dr. Crawford is no stranger to Mahaska Health because he spent his third year of medical school training with the talented team of Family Medicine physicians. During that year, Dr. Crawford saw the camaraderie…
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…
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…
Shawn Richmond, MD, has been serving the Mahaska Health community in areas of primary care and obstetrics since 2000. Originally, from Ottumwa, he chose to practice at Mahaska Health in order to be close to family and because of the great atmosphere of the community. Dr. Richmond is well known for the care and concern…





