Dr. John Charles Lesniak, MD

Dr. John Lesniak is a family medicine physician who brings 29 years of experience to his practice. He completed his medical education at the Medical College of Wisconsin, where he also completed his residency training. His extensive background in family medicine allows him to provide comprehensive care for patients of all ages. Dr. Lesniak speaks English and is well-equipped to serve diverse patient needs in his community.

Dr. Lesniak practices at multiple locations throughout Wisconsin, including Hartland, Waukesha, and Oconomowoc, with his primary affiliation being Prohealth Oconomowoc Memorial Hospital. He specializes in managing cardiovascular health conditions, particularly treating high cholesterol in children and teens, high blood pressure, and elevated cholesterol levels in adults. His practice includes comprehensive health assessments through chemistry panels and kidney function evaluations. Patients have given Dr. Lesniak an average rating of 4.8 stars, reflecting their …confidence in his care.