Nick DeMark, DO is a board certified and fellowship-trained Hospice and Palliative Care physician. 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, MI. He went on to complete a fellowship in Hospice and…
Kiron Nair, MD is a board-certified and fellowship trained Hematologist and Oncologist with over twenty years of healthcare experience. Dr. Kiron Nair will provide full-time access, streamlined care coordination, and treatments for patients beginning September 2025, 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…
Jordan Hamilton, DO is a board-certified and fellowship-trained Family Medicine and Osteopathic provider. Dr. Hamilton earned her Doctor of Osteopathy degree from Kansas City University of Medicine and Biosciences. She completed her residency at Broadlawns Medical Center in Des Moines, Iowa, where she served in a variety of capacities including Internal Medicine, OB, Pediatrics, and…
Robert Pettis, MD is a board-certified, fellowship-trained otolaryngologist specializing in head and neck surgery. He provides expert care for disorders of the ears, nose, throat, and related structures of the head and neck. Dr. Pettis earned his medical degree from the University of California, Los Angeles, where he also completed his residency in otolaryngology. He…
