Dr. John Joseph Seidl, MD

Dr. John Seidl is a family medicine physician who brings four decades of experience to his practice. He earned his medical degree from the Medical College of Wisconsin, where he also completed his residency training. With 44 years in healthcare, Dr. Seidl has developed comprehensive expertise in primary care for patients of all ages. He speaks both Spanish and English, allowing him to serve diverse patient populations throughout the Milwaukee area.

Dr. Seidl practices at multiple Ascension Columbia Saint Marys locations throughout Milwaukee and Mequon. His clinical focus includes caring for patients with neural tube defects and spina bifida, as well as supporting families affected by autism. He regularly performs comprehensive blood work including complete blood counts and general blood testing to monitor patient health. Patients have given Dr. Seidl an average rating of 4.0, reflecting his commitment to quality care across his extensive career.