Dr. John W. Hamersma

Andrew Messenger is a primary care provider, practicing in Family Medicine and General Practice in Saint Johns, Michigan. Dr. Messenger is rated as a Distinguished provider by MediFind in the treatment of High Cholesterol. His top areas of expertise are Osteomyelitis in Children, Empyema, Sinusitis, and Type 2 Diabetes (T2D). Dr. Messenger is currently accepting new patients.

Bruce Galonsky is a primary care provider, practicing in Family Medicine in Battle Creek, Michigan. Dr. Galonsky is rated as a Distinguished provider by MediFind in the treatment of High Cholesterol. His top areas of expertise are Obesity, Type 2 Diabetes (T2D), Hypertension, Glucocorticoid-Remediable Aldosteronism, and Intrauterine Device Insertion. Dr. Galonsky is currently accepting new patients.

Sue Donahue, DO chose The Iowa Clinic to join a well-respected organization in her hometown, where she has practiced for over two decades. For Dr. Donahue, she knew from a young age that she wanted to practice medicine after hearing of the poor interactions with the healthcare community. She was determined to make a difference to show people there IS a difference when you come to her practice, treating patients with the same compassion and respect she would expect. Dr. Donahue looks forward to being an advocate for her patients and continuing to share her passion. An Iowa native, Dr. Donahue enjoys spending her time with her husband, four children, grandkids, and parents. She also enjoys going to movies, camping, and enjoying her pets – including dogs, horses, and ducks! There is nothing else Dr. Donahue would rather do than practice medicine. One of her patients stated once – “This is your mission, not just your job,” and she couldn’t agree more. Dr. Donahue is rated as an Advanced provider by MediFind in the treatment of High Cholesterol. Her top areas of expertise are Glucocorticoid-Remediable Aldosteronism, Hypertension, Familial Hypertension, and High Cholesterol.