Dr. Donald John Kosiak, MD

Dr. Donald Kosiak specializes in family medicine, bringing nearly five decades of medical experience to his practice. He earned his medical degree from the University of North Dakota School of Medicine & Health Sciences, establishing a strong foundation in comprehensive patient care. His extensive 47-year career has given him deep expertise in treating patients across all age groups and managing a wide range of health conditions. Dr. Kosiak is fluent in both English and Spanish, allowing him to serve diverse communities throughout North Dakota.

Dr. Kosiak practices through his affiliation with Wishek Hospital Clinic Association and provides care at both Sanford Medical Center and Chi Saint Alexius Health in Bismarck, North Dakota. He has particular experience treating memory-related conditions such as Alzheimer's disease and other forms of dementia. His clinical skills include coordinating physical therapy programs and strength training for patients recovering from illness or injury. …Dr. Kosiak also performs specialized assessments like bedside swallow exams to ensure patient safety during eating and drinking.