Ruffin Tchakounte, DO specializes in Internal Medicine as a Hospitalist. He earned his Doctor of Osteopathic Medicine and Master of Science in Anatomy from Des Moines University, and his Bachelor of Arts in Chemistry from the University of Iowa. Dr. Tchakounte completed his Internal Medicine Residency through the University of Iowa, in the UnityPoint Health…
Nick DeMark, DO is a board certified and fellowship-trained Hospice and Palliative Care physician and serves as Palliative & Hospice Medical Director at Mahaska Health. He earned his medical degree from Des Moines University in Des Moines, IA and completed his residency in Internal Medicine at the Western Michigan University School of Medicine in Kalamazoo,…
Marissa Haubrich, DO, is a board-certified Doctor of Osteopathic Medicine who specializes in Family Medicine. Dr. Haubrich received her medical degree from Des Moines University in Des Moines, IA and completed her residency at UnityPoint Family Medicine in Cedar Falls and Waterloo, IA. Her clinical experience includes scheduling elective rotations at Allen’s Women’s Health Center…
Kiron Nair, MD, Medical Oncology Medical Director is a board-certified and fellowship trained Hematologist and Oncologist with over twenty years of healthcare experience. Dr. Kiron Nair provides full-time access, streamlined care coordination, and treatments for patients, and joins Dr. Daniel Kollmorgen, Mahaska Health Surgical Oncologist, on our cancer care, multi-disciplinary teams, and infusion center. Dr.…
Jem J. Hof, MD is a board-certified Physical Medicine and Rehabilitation (PM&R) specialist with more than three decades of experience in electro-diagnostics (EMGs), musculoskeletal medicine, joint and spine care, and complex rehabilitation. He earned his medical degree from the University of South Dakota Sanford School of Medicine and completed his PM&R residency at the University…





